The high temperature reinforced Red silicone cap from HPS Performance is specifically designed for installation on your cooling system.
Vacuum caps are intended for very little pressure and have no reinforcement.
Manufactured like our reinforced silicone radiator hoses, the HPS Reinforced Silicone Caps feature 3 layers of polyester webbing for reinforcement.
HPS Reinforced Silicone Caps are compatible with coolant, water, air, turbocharger bypass valve ports, vacuum ports, throttle body water ports, heater cores, and more.
Temperature Range: -65 deg.
F to +350 deg.
F (177 deg.
C).
Reinforced Layer: 3-ply Polyester.
Inside Diameter: 7/8" (22mm).
Color: Red.
Wall Thickness: 4mm.
Inside Length: 1-3/16".
Overall Length: 1-5/8".
UV and ozone resistant.
Remark: HPS reinforced silicone caps are not compatible with fuel, oil, or any petroleum-based products.