Harland Sharp Original Aluminum Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Orange - Ford Inline 6 (Set of 12) PFM69468 The Revolver X4s is a

The Revolver X4s is a bed cover engineered for real-world durability

(C) and are proudly made in the USA and backed by a Limited Lifetime Warranty

Works with all LS water pumps (requires thermostat upgrade on early LS water pumps)

IQ3D or the Racepak Universal CAN module

premium gaskets and detailed installation instruction sheets

Harland Sharp Original Aluminum Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Orange - Ford Inline 6 (Set of 12) PFM69468 The Revolver X4s is aProduct 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