Comp Cams Camshaft, FW 287T H-107 MT THUMPR High-Performance Engines Spring Rate (Front): 6

Spring Rate (Front): 6

For 2007-2019 Chevy Silverado 2500 HD/3500 HD Crew Cab models only

Premium Construction - High-quality materials ensure lasting durability and performance

Note: Only Fit OEM Factory Bumper

Comp Cams Camshaft, FW 287T H-107 MT THUMPR High-Performance Engines Spring Rate (Front): 6Mutha' ThumprT : High performance street strip, needs 9: 1 compression, 2500+ stall, intake, gears and headers, rough idle. Vehicle Fitments: Year Make Model Submodel 1981 1993 Ford Bronco Custom 1985 1995 Ford Bronco Eddie Bauer 1981 Ford Bronco Ranger XLT 1990 1995 Ford Bronco XL 1982 1983 Ford Bronco XLS 1984 1995 Ford Bronco XLT 1982 1993 Ford Bronco XLT Lariat 1992 Ford Bronco XLT Nite 1995 Ford Bronco XLT Sport 1969 1974 Ford Country Sedan Base