These special exhaust gaskets are made from .043 in. thick solid copper, and are racetrack proven to eliminate exhaust leaks in Top Fuel Dragster, Funny Car, and Alcohol class racecars.
They feature an embossed O-ring design to increase sealing pressure around the exhaust ports, creating a tight, leak-proof seal.
*Fits S13 / S14 / S15 SR20DET & Sentra SR20DE*
*This item ships via USPS Priority*
Great fit and has thick o-rings for perfect sealing. Really good alternative to multi layer from nissan.