Proflow Pro Rockers, Adjustable Shaft Design LS1, 1.7 Ratio Black 8620 Alloy Steel, M8 Socket Head Screws, Chev/Holden Commodore, Kit

Proflow Pro Rockers LS1 Adjustable Shaft Design Chevrolet LS1 Pro-Shaft Rocker Arm Kit. Fully adjustable shaft system for LS engines. Adjustable width for various head valve spacing (OE and aftermarket). Maximize valvetrain stability with this bolt-on solution! Ties intake and exhaust rocker arms fo

Part number: PFERRK-2050