Yella Terra Platinum Twin Shaft Rocker Arm Kit - SB Chevy 265-400 - 1.6 Ratio - Fits OEM , Bowtie, AFR, Dart, World, Brownfield Cylinder Heads HSMED11SASM61 The legendary Detroit Locker began

The legendary Detroit Locker began the revolution in performance differentials and still leads the industry today as an Eaton brand

With the Matador Steering Wheel

1968-1969 Chevrolet Biscayne Base CID 396 Naturally Aspirated GAS

Fairlane 1970-1958

Precision-machined rather than stamped for the ultimate in accuracy

Yella Terra Platinum Twin Shaft Rocker Arm Kit - SB Chevy 265-400 - 1.6 Ratio - Fits OEM , Bowtie, AFR, Dart, World, Brownfield Cylinder Heads HSMED11SASM61 The legendary Detroit Locker beganIntake and exhaust rockers are joined in pairs on a shaft that is 22% larger and engineered for extreme RPM. Maximum width bearings deliver greater rigidity, resistance to breakage and superior load carrying ability, eliminating the need for screw in studs, guide plates and stud girdles. Rocker arms bolt to existing 7 16" stud mountings with supplied bolts. Easy to service in the field. Sold in sets of 16. Yella Terra has been designing, developing