T&D Machine SportComp Shaft Mount Roller Aluminum Rocker Arm - 1.85 Ratio - On Shaft - BB Chevy 10290 ATV and snowmobile engine (and

ATV and snowmobile engine (and transmission) performance

223 Series

Speed that comes with performance

Integral quarter window panels make quarter panel replacement easier and less costly

Rebuildable and Revalveable by the QA1 Factory or QA1 Authorized Service Centers

T&D Machine SportComp Shaft Mount Roller Aluminum Rocker Arm - 1.85 Ratio - On Shaft - BB Chevy 10290 ATV and snowmobile engine (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