T&D Machine Shaft Mount Roller Aluminum Rocker Arm - 1.70 Ratio - BB Chevy Sensor Heat Shield 300" of shims under the

300" of shims under the spring

Sturdy ABS snap-together construction keeps fasteners hidden and your gauges secure

1971-1976 Pontiac Firebird

031 in Idle Hole

Manifold End Seal Spacer

T&D Machine Shaft Mount Roller Aluminum Rocker Arm - 1.70 Ratio - BB Chevy Sensor Heat Shield 300" of shims under theProduct Description: Rocker Arm Shaft Mount 1. 70 Ratio Full Roller Aluminum Natural Big Block Chevy 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 that unlike some competitors each