Power Driven 8v Street Conical Valve Spring Set 4BT 20V Max compared to the factory one-piece

compared to the factory one-piece pipe

Performance Tested

By reducing the risk of paint chipping and preventing rust formation

Fits 1984 - 2001 Cherokee XJ

2015-2017 Chevrolet Silverado 1500 LS 1999-2017 Chevrolet Silverado 1500 LT 2007-2017 Chevrolet Silverado 1500 LTZ 2015-2017 Chevrolet Silverado 1500 SSV 2002-2017 Chevrolet Silverado 1500 WT 2004-2005 Chevrolet Silverado 1500 Z71 Off-Road 2007 Chevrolet Silverado 1500 Classic Hybrid 2007 Chevrolet Silverado 1500 Classic LS 2007 Chevrolet Silverado 1500 Classic LT 2007 Chevrolet Silverado 1500 Classic WT 2005 Chevrolet Silverado 1500 HD Base 2001-2003

Power Driven 8v Street Conical Valve Spring Set 4BT 20V Max compared to the factory one-piecePower Driven 8v Street Conical Valve Spring Set 4BT Set of 8 high performance drop in valve springs. These lightweight valve spring assemblies are designed for maximum valve control up to 5,000 rpm, perfect for a hot street Cummins diesel. Springs feature 175 lbs. of seat pressure and 375 lbs. of open pressure. These street performance valve springs will accommodate the vast majority of performance street camshafts on the market while still