Silicone Blanking Caps
QSP Silicone Blanking Cap - 16mm - Black
Silicone blanking cap for sealing connections This silicone blanking cap is ideal for sealing pipes and connections. The cap simply slides over the connection and provides a clean, reliable cover. The blanking cap is suitable for air or coolant applications. It is not suitable for fuels or oil. The maximum operating temperature is 180 degrees Celsius. The stated size refers to the inner diameter of the silicone blanking cap. The caps are not reinforced and have no fabric plies, so they are not suitable for pressurised applications. Product features Material: silicone Use: covering pipes and connections Suitable for: air and coolant Not suitable for: fuel and oil Maximum temperature: 180 degrees Celsius Version: unreinforced For non-pressurised applications only Dimension: inner diameter
QSP Silicone Blanking Cap - 12mm - Black
Silicone blanking cap for sealing connections This silicone blanking cap is ideal for sealing pipes and connections. The cap simply slides over the connection and provides a clean, reliable cover. The blanking cap is suitable for air or coolant applications. It is not suitable for fuels or oil. The maximum operating temperature is 180 degrees Celsius. The stated size refers to the inner diameter of the silicone blanking cap. The caps are not reinforced and have no fabric plies, so they are not suitable for pressurised applications. Product features Material: silicone Use: covering pipes and connections Suitable for: air and coolant Not suitable for: fuel and oil Maximum temperature: 180 degrees Celsius Version: unreinforced For non-pressurised applications only Dimension: inner diameter
QSP Silicone Blanking Cap - 4mm - Black
Silicone blanking cap for sealing connections This silicone blanking cap is ideal for sealing pipes and connections. The cap simply slides over the connection and provides a clean, reliable cover. The blanking cap is suitable for air or coolant applications. It is not suitable for fuels or oil. The maximum operating temperature is 180 degrees Celsius. The stated size refers to the inner diameter of the silicone blanking cap. The caps are not reinforced and have no fabric plies, so they are not suitable for pressurised applications. Product features Material: silicone Use: covering pipes and connections Suitable for: air and coolant Not suitable for: fuel and oil Maximum temperature: 180 degrees Celsius Version: unreinforced For non-pressurised applications only Dimension: inner diameter
QSP Silicone Blanking Cap - 6mm - Black
Silicone blanking cap for sealing connections This silicone blanking cap is ideal for sealing pipes and connections. The cap simply slides over the connection and provides a clean, reliable cover. The blanking cap is suitable for air or coolant applications. It is not suitable for fuels or oil. The maximum operating temperature is 180 degrees Celsius. The stated size refers to the inner diameter of the silicone blanking cap. The caps are not reinforced and have no fabric plies, so they are not suitable for pressurised applications. Product features Material: silicone Use: covering pipes and connections Suitable for: air and coolant Not suitable for: fuel and oil Maximum temperature: 180 degrees Celsius Version: unreinforced For non-pressurised applications only Dimension: inner diameter
QSP Silicone Blanking Cap - 8mm - Black
Silicone blanking cap for sealing connections This silicone blanking cap is ideal for sealing pipes and connections. The cap simply slides over the connection and provides a clean, reliable cover. The blanking cap is suitable for air or coolant applications. It is not suitable for fuels or oil. The maximum operating temperature is 180 degrees Celsius. The stated size refers to the inner diameter of the silicone blanking cap. The caps are not reinforced and have no fabric plies, so they are not suitable for pressurised applications. Product features Material: silicone Use: covering pipes and connections Suitable for: air and coolant Not suitable for: fuel and oil Maximum temperature: 180 degrees Celsius Version: unreinforced For non-pressurised applications only Dimension: inner diameter
QSP Silicone Blanking Cap - 10mm - Black
Silicone blanking cap for sealing connections This silicone blanking cap is ideal for sealing pipes and connections. The cap simply slides over the connection and provides a clean, reliable cover. The blanking cap is suitable for air or coolant applications. It is not suitable for fuels or oil. The maximum operating temperature is 180 degrees Celsius. The stated size refers to the inner diameter of the silicone blanking cap. The caps are not reinforced and have no fabric plies, so they are not suitable for pressurised applications. Product features Material: silicone Use: covering pipes and connections Suitable for: air and coolant Not suitable for: fuel and oil Maximum temperature: 180 degrees Celsius Version: unreinforced For non-pressurised applications only Dimension: inner diameter
QSP Silicone Blanking Cap - 19mm - Black
Silicone blanking cap for sealing connections This silicone blanking cap is ideal for sealing pipes and connections. The cap simply slides over the connection and provides a clean, reliable cover. The blanking cap is suitable for air or coolant applications. It is not suitable for fuels or oil. The maximum operating temperature is 180 degrees Celsius. The stated size refers to the inner diameter of the silicone blanking cap. The caps are not reinforced and have no fabric plies, so they are not suitable for pressurised applications. Product features Material: silicone Use: covering pipes and connections Suitable for: air and coolant Not suitable for: fuel and oil Maximum temperature: 180 degrees Celsius Version: unreinforced For non-pressurised applications only Dimension: inner diameter
QSP Silicone Blanking Cap - 4mm - Blue
Silicone blanking cap for sealing connections This silicone blanking cap is ideal for sealing pipes and connections. The cap simply slides over the connection and provides a clean, reliable cover. The blanking cap is suitable for air or coolant applications. It is not suitable for fuels or oil. The maximum operating temperature is 180 degrees Celsius. The stated size refers to the inner diameter of the silicone blanking cap. The caps are not reinforced and have no fabric plies, so they are not suitable for pressurised applications. Product features Material: silicone Use: covering pipes and connections Suitable for: air and coolant Not suitable for: fuel and oil Maximum temperature: 180 degrees Celsius Version: unreinforced For non-pressurised applications only Dimension: inner diameter
QSP Silicone Blanking Cap - 6mm - Blue
Silicone blanking cap for sealing connections This silicone blanking cap is ideal for sealing pipes and connections. The cap simply slides over the connection and provides a clean, reliable cover. The blanking cap is suitable for air or coolant applications. It is not suitable for fuels or oil. The maximum operating temperature is 180 degrees Celsius. The stated size refers to the inner diameter of the silicone blanking cap. The caps are not reinforced and have no fabric plies, so they are not suitable for pressurised applications. Product features Material: silicone Use: covering pipes and connections Suitable for: air and coolant Not suitable for: fuel and oil Maximum temperature: 180 degrees Celsius Version: unreinforced For non-pressurised applications only Dimension: inner diameter
QSP Silicone Blanking Cap - 8mm - Blue
Silicone blanking cap for sealing connections This silicone blanking cap is ideal for sealing pipes and connections. The cap simply slides over the connection and provides a clean, reliable cover. The blanking cap is suitable for air or coolant applications. It is not suitable for fuels or oil. The maximum operating temperature is 180 degrees Celsius. The stated size refers to the inner diameter of the silicone blanking cap. The caps are not reinforced and have no fabric plies, so they are not suitable for pressurised applications. Product features Material: silicone Use: covering pipes and connections Suitable for: air and coolant Not suitable for: fuel and oil Maximum temperature: 180 degrees Celsius Version: unreinforced For non-pressurised applications only Dimension: inner diameter
QSP Silicone Blanking Cap - 10mm - Blue
Silicone blanking cap for sealing connections This silicone blanking cap is ideal for sealing pipes and connections. The cap simply slides over the connection and provides a clean, reliable cover. The blanking cap is suitable for air or coolant applications. It is not suitable for fuels or oil. The maximum operating temperature is 180 degrees Celsius. The stated size refers to the inner diameter of the silicone blanking cap. The caps are not reinforced and have no fabric plies, so they are not suitable for pressurised applications. Product features Material: silicone Use: covering pipes and connections Suitable for: air and coolant Not suitable for: fuel and oil Maximum temperature: 180 degrees Celsius Version: unreinforced For non-pressurised applications only Dimension: inner diameter
QSP Silicone Blanking Cap - 12mm - Blue
Silicone blanking cap for sealing connections This silicone blanking cap is ideal for sealing pipes and connections. The cap simply slides over the connection and provides a clean, reliable cover. The blanking cap is suitable for air or coolant applications. It is not suitable for fuels or oil. The maximum operating temperature is 180 degrees Celsius. The stated size refers to the inner diameter of the silicone blanking cap. The caps are not reinforced and have no fabric plies, so they are not suitable for pressurised applications. Product features Material: silicone Use: covering pipes and connections Suitable for: air and coolant Not suitable for: fuel and oil Maximum temperature: 180 degrees Celsius Version: unreinforced For non-pressurised applications only Dimension: inner diameter
QSP Silicone Blanking Cap - 16mm - Blue
Silicone blanking cap for sealing connections This silicone blanking cap is ideal for sealing pipes and connections. The cap simply slides over the connection and provides a clean, reliable cover. The blanking cap is suitable for air or coolant applications. It is not suitable for fuels or oil. The maximum operating temperature is 180 degrees Celsius. The stated size refers to the inner diameter of the silicone blanking cap. The caps are not reinforced and have no fabric plies, so they are not suitable for pressurised applications. Product features Material: silicone Use: covering pipes and connections Suitable for: air and coolant Not suitable for: fuel and oil Maximum temperature: 180 degrees Celsius Version: unreinforced For non-pressurised applications only Dimension: inner diameter
QSP Silicone Blanking Cap - 19mm - Blue
Silicone blanking cap for sealing connections This silicone blanking cap is ideal for sealing pipes and connections. The cap simply slides over the connection and provides a clean, reliable cover. The blanking cap is suitable for air or coolant applications. It is not suitable for fuels or oil. The maximum operating temperature is 180 degrees Celsius. The stated size refers to the inner diameter of the silicone blanking cap. The caps are not reinforced and have no fabric plies, so they are not suitable for pressurised applications. Product features Material: silicone Use: covering pipes and connections Suitable for: air and coolant Not suitable for: fuel and oil Maximum temperature: 180 degrees Celsius Version: unreinforced For non-pressurised applications only Dimension: inner diameter
Silicone Blanking Cap 13mm, Blue
BOOST products silicone blanking cap, 13mm, blue Fabric-reinforced silicone blanking cap in blue! High-quality BOOST products silicone cover blanking cap with 3 fabric plies BOOST products silicone blanking caps are perfect for sealing open connections, e.g. on engines, blow-off valve / radiator / water connections, breather / drain connections, etc. Also ideal when an engine and/or ancillaries have been removed and are stored for a longer period: sealing open connections on the engine slows down corrosion etc. Unlike other suppliers, BOOST products silicone caps are reinforced with multiple fabric plies, so they can also withstand pressure (air/water). This makes them ideal for use on engines and radiators. The silicone caps are not resistant to oils and fuels! Inner diameter: 13mm Length: 38mm Wall thickness: 4,3mm Fabric plies: 3 Temperature range: -40°C to 220°C Pressure resistant up to: at least 5bar Colour: blue (complete) After extensive testing, we deliver top quality at the best price! In quality tests, our BOOST products silicone products have always matched, and several times even exceeded, the quality of the best-known silicone products manufacturer. Our silicone is very durable and stays flexible, stable and colourfast even after years. Many well-known companies in tuning and motorsport rely on silicone products from our range. Put your trust in our quality too! BOOST products silicone caps have 3 fabric plies and 4,3mm wall thickness. They come with a small, discreet BOOST products logo that seals the quality of the hoses. What you should know about silicone - the diameter refers to the inner diameter - add 2x the wall thickness to choose the correct clamp size - silicone products can stretch by 1-3mm - if you cannot find the right size, choose the next smaller size
Silicone Blanking Cap 32mm, Blue
BOOST products silicone blanking cap, 32mm, blue Fabric-reinforced silicone blanking cap in blue! High-quality BOOST products silicone cover blanking cap with 3 fabric plies BOOST products silicone blanking caps are perfect for sealing open connections, e.g. on engines, blow-off valve / radiator / water connections, breather / drain connections, etc. Also ideal when an engine and/or ancillaries have been removed and are stored for a longer period: sealing open connections on the engine slows down corrosion etc. Unlike other suppliers, BOOST products silicone caps are reinforced with multiple fabric plies, so they can also withstand pressure (air/water). This makes them ideal for use on engines and radiators. The silicone caps are not resistant to oils and fuels! Inner diameter: 32mm Length: 36mm Wall thickness: 4,3mm Fabric plies: 3 Temperature range: -40°C to 220°C Pressure resistant up to: at least 5bar Colour: blue (complete) After extensive testing, we deliver top quality at the best price! In quality tests, our BOOST products silicone products have always matched, and several times even exceeded, the quality of the best-known silicone products manufacturer. Our silicone is very durable and stays flexible, stable and colourfast even after years. Many well-known companies in tuning and motorsport rely on silicone products from our range. Put your trust in our quality too! BOOST products silicone caps have 3 fabric plies and 4,3mm wall thickness. They come with a small, discreet BOOST products logo that seals the quality of the hoses. What you should know about silicone - the diameter refers to the inner diameter - add 2x the wall thickness to choose the correct clamp size - silicone products can stretch by 1-3mm - if you cannot find the right size, choose the next smaller size
Silicone Blanking Cap 28mm, Blue
BOOST products silicone blanking cap, 28mm, blue Fabric-reinforced silicone blanking cap in blue! High-quality BOOST products silicone cover blanking cap with 3 fabric plies BOOST products silicone blanking caps are perfect for sealing open connections, e.g. on engines, blow-off valve / radiator / water connections, breather / drain connections, etc. Also ideal when an engine and/or ancillaries have been removed and are stored for a longer period: sealing open connections on the engine slows down corrosion etc. Unlike other suppliers, BOOST products silicone caps are reinforced with multiple fabric plies, so they can also withstand pressure (air/water). This makes them ideal for use on engines and radiators. The silicone caps are not resistant to oils and fuels! Inner diameter: 28mm Length: 39mm Wall thickness: 4,3mm Fabric plies: 3 Temperature range: -40°C to 220°C Pressure resistant up to: at least 5bar Colour: blue (complete) After extensive testing, we deliver top quality at the best price! In quality tests, our BOOST products silicone products have always matched, and several times even exceeded, the quality of the best-known silicone products manufacturer. Our silicone is very durable and stays flexible, stable and colourfast even after years. Many well-known companies in tuning and motorsport rely on silicone products from our range. Put your trust in our quality too! BOOST products silicone caps have 3 fabric plies and 4,3mm wall thickness. They come with a small, discreet BOOST products logo that seals the quality of the hoses. What you should know about silicone - the diameter refers to the inner diameter - add 2x the wall thickness to choose the correct clamp size - silicone products can stretch by 1-3mm - if you cannot find the right size, choose the next smaller size
Silicone Blanking Cap 35mm, Blue
BOOST products silicone blanking cap, 35mm, blue Fabric-reinforced silicone blanking cap in blue! High-quality BOOST products silicone cover blanking cap with 3 fabric plies BOOST products silicone blanking caps are perfect for sealing open connections, e.g. on engines, blow-off valve / radiator / water connections, breather / drain connections, etc. Also ideal when an engine and/or ancillaries have been removed and are stored for a longer period: sealing open connections on the engine slows down corrosion etc. Unlike other suppliers, BOOST products silicone caps are reinforced with multiple fabric plies, so they can also withstand pressure (air/water). This makes them ideal for use on engines and radiators. The silicone caps are not resistant to oils and fuels! Inner diameter: 35mm Length: 36mm Wall thickness: 4,3mm Fabric plies: 3 Temperature range: -40°C to 220°C Pressure resistant up to: at least 5bar Colour: blue (complete) After extensive testing, we deliver top quality at the best price! In quality tests, our BOOST products silicone products have always matched, and several times even exceeded, the quality of the best-known silicone products manufacturer. Our silicone is very durable and stays flexible, stable and colourfast even after years. Many well-known companies in tuning and motorsport rely on silicone products from our range. Put your trust in our quality too! BOOST products silicone caps have 3 fabric plies and 4,3mm wall thickness. They come with a small, discreet BOOST products logo that seals the quality of the hoses. What you should know about silicone - the diameter refers to the inner diameter - add 2x the wall thickness to choose the correct clamp size - silicone products can stretch by 1-3mm - if you cannot find the right size, choose the next smaller size
Silicone Blanking Cap 10mm, Blue
BOOST products silicone blanking cap, 10mm, blue Fabric-reinforced silicone blanking cap in blue! High-quality BOOST products silicone cover blanking cap with 3 fabric plies BOOST products silicone blanking caps are perfect for sealing open connections, e.g. on engines, blow-off valve / radiator / water connections, breather / drain connections, etc. Also ideal when an engine and/or ancillaries have been removed and are stored for a longer period: sealing open connections on the engine slows down corrosion etc. Unlike other suppliers, BOOST products silicone caps are reinforced with multiple fabric plies, so they can also withstand pressure (air/water). This makes them ideal for use on engines and radiators. The silicone caps are not resistant to oils and fuels! Inner diameter: 10mm Length: 38mm Wall thickness: 4,3mm Fabric plies: 3 Temperature range: -40°C to 220°C Pressure resistant up to: at least 5bar Colour: blue (complete) After extensive testing, we deliver top quality at the best price! In quality tests, our BOOST products silicone products have always matched, and several times even exceeded, the quality of the best-known silicone products manufacturer. Our silicone is very durable and stays flexible, stable and colourfast even after years. Many well-known companies in tuning and motorsport rely on silicone products from our range. Put your trust in our quality too! BOOST products silicone caps have 3 fabric plies and 4,3mm wall thickness. They come with a small, discreet BOOST products logo that seals the quality of the hoses. What you should know about silicone - the diameter refers to the inner diameter - add 2x the wall thickness to choose the correct clamp size - silicone products can stretch by 1-3mm - if you cannot find the right size, choose the next smaller size
Silicone Blanking Cap 38mm, Blue
BOOST products silicone blanking cap, 38mm, blue Fabric-reinforced silicone blanking cap in blue! High-quality BOOST products silicone cover blanking cap with 3 fabric plies BOOST products silicone blanking caps are perfect for sealing open connections, e.g. on engines, blow-off valve / radiator / water connections, breather / drain connections, etc. Also ideal when an engine and/or ancillaries have been removed and are stored for a longer period: sealing open connections on the engine slows down corrosion etc. Unlike other suppliers, BOOST products silicone caps are reinforced with multiple fabric plies, so they can also withstand pressure (air/water). This makes them ideal for use on engines and radiators. The silicone caps are not resistant to oils and fuels! Inner diameter: 36mm Length: 36mm Wall thickness: 4,3mm Fabric plies: 3 Temperature range: -40°C to 220°C Pressure resistant up to: at least 5bar Colour: blue (complete) After extensive testing, we deliver top quality at the best price! In quality tests, our BOOST products silicone products have always matched, and several times even exceeded, the quality of the best-known silicone products manufacturer. Our silicone is very durable and stays flexible, stable and colourfast even after years. Many well-known companies in tuning and motorsport rely on silicone products from our range. Put your trust in our quality too! BOOST products silicone caps have 3 fabric plies and 4,3mm wall thickness. They come with a small, discreet BOOST products logo that seals the quality of the hoses. What you should know about silicone - the diameter refers to the inner diameter - add 2x the wall thickness to choose the correct clamp size - silicone products can stretch by 1-3mm - if you cannot find the right size, choose the next smaller size
Silicone Blanking Cap 6,5mm, Black
BOOST products silicone blanking cap, 6,5mm, black Fabric-reinforced silicone blanking cap in black! High-quality BOOST products silicone cover blanking cap with 3 fabric plies BOOST products silicone blanking caps are perfect for sealing open connections, e.g. on engines, blow-off valve / radiator / water connections, breather / drain connections, etc. Also ideal when an engine and/or ancillaries have been removed and are stored for a longer period: sealing open connections on the engine slows down corrosion etc. Unlike other suppliers, BOOST products silicone caps are reinforced with multiple fabric plies, so they can also withstand pressure (air/water). This makes them ideal for use on engines and radiators. The silicone caps are not resistant to oils and fuels! Inner diameter: 6,5mm Length: 35mm Wall thickness: 4,3mm Fabric plies: 3 Temperature range: -40°C to 220°C Pressure resistant up to: at least 5bar Colour: black (complete) After extensive testing, we deliver top quality at the best price! In quality tests, our BOOST products silicone products have always matched, and several times even exceeded, the quality of the best-known silicone products manufacturer. Our silicone is very durable and stays flexible, stable and colourfast even after years. Many well-known companies in tuning and motorsport rely on silicone products from our range. Put your trust in our quality too! BOOST products silicone caps have 3 fabric plies and 4,3mm wall thickness. They come with a small, discreet BOOST products logo that seals the quality of the hoses. What you should know about silicone - the diameter refers to the inner diameter - add 2x the wall thickness to choose the correct clamp size - silicone products can stretch by 1-3mm - if you cannot find the right size, choose the next smaller size
Silicone Blanking Cap 35mm, Black
BOOST products silicone blanking cap, 35mm, black Fabric-reinforced silicone blanking cap in black! High-quality BOOST products silicone cover blanking cap with 3 fabric plies BOOST products silicone blanking caps are perfect for sealing open connections, e.g. on engines, blow-off valve / radiator / water connections, breather / drain connections, etc. Also ideal when an engine and/or ancillaries have been removed and are stored for a longer period: sealing open connections on the engine slows down corrosion etc. Unlike other suppliers, BOOST products silicone caps are reinforced with multiple fabric plies, so they can also withstand pressure (air/water). This makes them ideal for use on engines and radiators. The silicone caps are not resistant to oils and fuels! Inner diameter: 35mm Length: 36mm Wall thickness: 4,3mm Fabric plies: 3 Temperature range: -40°C to 220°C Pressure resistant up to: at least 5bar Colour: black (complete) After extensive testing, we deliver top quality at the best price! In quality tests, our BOOST products silicone products have always matched, and several times even exceeded, the quality of the best-known silicone products manufacturer. Our silicone is very durable and stays flexible, stable and colourfast even after years. Many well-known companies in tuning and motorsport rely on silicone products from our range. Put your trust in our quality too! BOOST products silicone caps have 3 fabric plies and 4,3mm wall thickness. They come with a small, discreet BOOST products logo that seals the quality of the hoses. What you should know about silicone - the diameter refers to the inner diameter - add 2x the wall thickness to choose the correct clamp size - silicone products can stretch by 1-3mm - if you cannot find the right size, choose the next smaller size
Silicone Blanking Cap 28mm, Black
BOOST products silicone blanking cap, 28mm, black Fabric-reinforced silicone blanking cap in black! High-quality BOOST products silicone cover blanking cap with 3 fabric plies BOOST products silicone blanking caps are perfect for sealing open connections, e.g. on engines, blow-off valve / radiator / water connections, breather / drain connections, etc. Also ideal when an engine and/or ancillaries have been removed and are stored for a longer period: sealing open connections on the engine slows down corrosion etc. Unlike other suppliers, BOOST products silicone caps are reinforced with multiple fabric plies, so they can also withstand pressure (air/water). This makes them ideal for use on engines and radiators. The silicone caps are not resistant to oils and fuels! Inner diameter: 28mm Length: 39mm Wall thickness: 4,3mm Fabric plies: 3 Temperature range: -40°C to 220°C Pressure resistant up to: at least 5bar Colour: black (complete) After extensive testing, we deliver top quality at the best price! In quality tests, our BOOST products silicone products have always matched, and several times even exceeded, the quality of the best-known silicone products manufacturer. Our silicone is very durable and stays flexible, stable and colourfast even after years. Many well-known companies in tuning and motorsport rely on silicone products from our range. Put your trust in our quality too! BOOST products silicone caps have 3 fabric plies and 4,3mm wall thickness. They come with a small, discreet BOOST products logo that seals the quality of the hoses. What you should know about silicone - the diameter refers to the inner diameter - add 2x the wall thickness to choose the correct clamp size - silicone products can stretch by 1-3mm - if you cannot find the right size, choose the next smaller size
Silicone Blanking Cap 32mm, Black
BOOST products silicone blanking cap, 32mm, black Fabric-reinforced silicone blanking cap in black! High-quality BOOST products silicone cover blanking cap with 3 fabric plies BOOST products silicone blanking caps are perfect for sealing open connections, e.g. on engines, blow-off valve / radiator / water connections, breather / drain connections, etc. Also ideal when an engine and/or ancillaries have been removed and are stored for a longer period: sealing open connections on the engine slows down corrosion etc. Unlike other suppliers, BOOST products silicone caps are reinforced with multiple fabric plies, so they can also withstand pressure (air/water). This makes them ideal for use on engines and radiators. The silicone caps are not resistant to oils and fuels! Inner diameter: 32mm Length: 36mm Wall thickness: 4,3mm Fabric plies: 3 Temperature range: -40°C to 220°C Pressure resistant up to: at least 5bar Colour: black (complete) After extensive testing, we deliver top quality at the best price! In quality tests, our BOOST products silicone products have always matched, and several times even exceeded, the quality of the best-known silicone products manufacturer. Our silicone is very durable and stays flexible, stable and colourfast even after years. Many well-known companies in tuning and motorsport rely on silicone products from our range. Put your trust in our quality too! BOOST products silicone caps have 3 fabric plies and 4,3mm wall thickness. They come with a small, discreet BOOST products logo that seals the quality of the hoses. What you should know about silicone - the diameter refers to the inner diameter - add 2x the wall thickness to choose the correct clamp size - silicone products can stretch by 1-3mm - if you cannot find the right size, choose the next smaller size