COMP Cams Rocker ArmsGm LS3 1.8 3/8 Ult 1676-8 2GTACOBF Their unique design is proprietary

Their unique design is proprietary to Ford 3-valve engines and they are only available from Ford Racing

Base 1981 Chevrolet LUV Sport 1972 - 1974 Chevrolet Luv Pickup Base 1983 - 2003 Chevrolet S10 Base 1983 - 1985 Chevrolet S10 Durango

Damping Levels 16-Level Height Adjustment Yes Spring Rate(Front) 6 kg/mm (336 lbs/inch) Spring Rate(Rear) 8 kg/mm (448 lbs/inch) Spring Length(Front) 180 mm Spring Length(Rear) 185 mm Front Top Mount Yes

When your rig lives in the red zone—Ultra4

We make an additional improvement to our Jeep Grand Cherokee WJ Big 7 Battery Cable Kit that stops your charging system from boiling over the passenger side battery

COMP Cams Rocker ArmsGm LS3 1.8 3/8 Ult 1676-8 2GTACOBF Their unique design is proprietaryCOMP Cams Rocker Arms 1676 8 Rocker Arms,GM LS3 1. 8 3 8 Ultra Pro Mag COMP Cams Ultra Pro Magnum Roller Rocker Arms, 1. 8 Ratio, 3 8" Stud Diameter, LS3, Set of 8 COMP Cams Rocker ArmsGm LS3 1. 8 3 8 Ult Vehicle Fitments: Year Make Model Submodel 2011 2012 Chevrolet Camaro 2SS, 1SS, 1LT 2010 2012 Chevrolet Camaro LT, LS, SS 2012 Chevrolet Camaro ZL1 2008 Chevrolet Corvette 427 Limited Edition Z06 2010 2012 Chevrolet Corvette Grand Sport 2011