Energy Suspension Hyper-Flex Coil Spring Isolator - 3-3/4" ID - 5-7/16" OD - 1-1/8" Thick - Polyurethane - Black - Universal - (Pair) Belltech Withstands direct heat up to

Withstands direct heat up to 500F Protects against oil

Hg (pink) and 8in

The RPM Air-Gap incorporates the same race-winning technology that's been used on our Victor Series competition intakes for decades

Recommended for street applications with lighter spring pressures

Soft and comfortable

Energy Suspension Hyper-Flex Coil Spring Isolator - 3-3/4" ID - 5-7/16" OD - 1-1/8" Thick - Polyurethane - Black - Universal - (Pair) Belltech Withstands direct heat up toProduct Description: Coil Spring Isolator Hyper Flex 3 3 4 in ID 5 7 16 in OD 1 1 8 in Thick Polyurethane Black Universal Pair Energy Suspension is the world's leader in developing and manufacturing performance polyurethane automotive suspension products. Energy Suspension state of the art on site new product development program which carefully analyzes various vehicle reactions equipped with Energy Suspension Performance Polyurethane technology.