Description
Chevrolet Performance Single Valve Spring 256 lb in Spring Rate 1.200 in Coil Bind 1.250 in OD Small Block Chevy Set of 16 SB120020 GM Mercury Marine V8 1050 WEI7155 GM Mercury Marine V8 1050 Improves Combustion Efficiency engineered and tested by the same team that developed the vehicle Chevrolet Performance is the place