Yella Terra Roller Rocker Set 1.7 Ratio (8mm Shaft Hydraulic) YT6624

Roller Rocker Set 1.7 Ratio (8mm Shaft Hydraulic) 6624 YT6624 Suit Chev LS-1 CHEV LS1 1.7 BOLT ON HYD Many Late Model Engines Fitted With Hydraulic Roller Camshaf ts Produce Significant Gains I n Power And Torque When Fitted With Higher Ratio Rockers. Ye lla Terra Have Developed High Ratio Bolt On Easy Fit Shaft S tyle Rockers For Many Of These Engines That Can Be Fitted In der The Standard Rocker Covers With No Maching.