COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.70 Ratio - Big Block Chevy Timing Pointer and Blazers with a SB

and Blazers with a SB Chevy engine (check the application listings for exact fitment)

The DW300 has a 36mm diameter and is compatible with pump gas

ididit Indicator w/ Aluminum Housing 4 Speed Chrome 2600250020

Fits 2/4 wheel drive models with an Extended Cab/Short bed

Tough Molded Polyurethane

COMP Cams Ultra Pro Magnum Chromoly Roller Rocker Arm - 7/16 in Stud Mount - 1.70 Ratio - Big Block Chevy Timing Pointer and Blazers with a SBThe Ultra Pro Magnum Roller Rocker Arms for Big Block Chevy 396 454 applications take stud mount rocker performance, stability and value to a whole new level. These rocker arms feature a 7 16" stud diameter and 1. 7 ratio. The 8650 chromemoly material and arched, web like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. A unique black oxide exterior finish helps prevent