T&D Machine SportComp Shaft Mount Roller Aluminum Rocker Arm - 1.85 Ratio - On Shaft - BB Chevy H76403FXXL two distributor clamp locations and

two distributor clamp locations and nitrous bosses

1964-1974 Chevrolet G10 Van

Includes MAP sensor port cover

Feature larger plenum than the lower profile LSXr High HP intake manifold

T&D Machine SportComp Shaft Mount Roller Aluminum Rocker Arm - 1.85 Ratio - On Shaft - BB Chevy H76403FXXL two distributor clamp locations andProduct Description: Rocker Arm SportComp Shaft Mount 1. 85 Ratio Full Roller On Shaft Aluminum Natural Big Block Chevy Sold Individually T&D manufactures rocker arm systems for over 400 cylinder heads and its products have established a reputation for the highest levels of quality, performance and long term reliability. The company works closely with leading engine builders to maintain its position at the forefront of technology. Add to this the fact