T and D Machine SBC Shaft Rocker Arm Kit - 1.6/1.5 Ratio TDM2300-160/150

Rocker Arm - Shaft Mount - 1.60 / 1.50 Ratio - Full Roller - Aluminum - Natural - AFR 227 / 235 - Small Block Chevy - Kit

Engines and Components, Camshafts and Valvetrain, Rocker Arms and Components by T AND D MACHINE