T&D Machine SportComp Shaft Mount Full Roller Rocker Arm - 1.70 Ratio - On Shaft - Big Block Chevy / Small Block Ford 3550224-17- XL and is ideally suited for

and is ideally suited for street and strip applications

Specifically designed to perform at higher engine speeds with significant power increase over standard Hydraulic lifters

1990-1990 Ford Bronco II

Force II systems deliver a moderate exterior tone and moderate to mild interior tone

meeting the latest SFI certification standards for flame resistance

T&D Machine SportComp Shaft Mount Full Roller Rocker Arm - 1.70 Ratio - On Shaft - Big Block Chevy / Small Block Ford 3550224-17- XL and is ideally suited forProduct Description: Rocker Arm SportComp Shaft Mount 1. 70 Ratio Full Roller On Shaft Aluminum Natural Big Block Chevy Small Block Ford 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