Harland Sharp Original Aluminum Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Orange - Ford Inline 6 (Set of 12) MAC-XC-1.5 The Infinity Ring™ system provides

The Infinity Ring™ system provides a race-proven housing for the Pro6 Single that is strong

Ideal for high horsepower muscle cars

This eliminates almost all cradle movement

Axle Shaft Diameter - 3

Operation is simple

Harland Sharp Original Aluminum Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Orange - Ford Inline 6 (Set of 12) MAC-XC-1.5 The Infinity Ring™ system providesProduct Description: Rocker Arm Original 3 8 in Stud Mount 1. 60 Ratio Full Roller Aluminum Orange Anodized Ford Inline 6 Set of 12 Harland Sharp is the leader in roller rocker arm technology. Back in the 1950as, Harland Sharp invented the first high performance rocker arm. The larger cams were contributing to the failure of stock rocker arms. Harland Sharp responded to racers needs by pioneering a design for the first high performance rocker arm. It