Description
PAC Racing 1300 Series Triple Valve Spring 752 lb in Spring Rate 1.160 in Coil Bind 1.667 in OD Set of 16 PAC 1351H RS1 G1 HK BOLT ON ADDITIONAL 12 20 HORSEPOWER WEI7155 BOLT ON ADDITIONAL 12 20 HORSEPOWER AND MORE AGGRESSIVE SOUND 3 in Bottle and our High Tech Engine test lab Micro Hardness