Harland Sharp Original SB Chevy Rocker Arm - 1.6 Ratio - 7/16 Stud 57500BK This header accommodates all emission

This header accommodates all emission control devices and comes with premium aluminum header gaskets and hardware

Traditional Chrome

Choose conventional hex or compact 12-point style heads

Kingpin Studs / Nuts

Harland Sharp Original SB Chevy Rocker Arm - 1.6 Ratio - 7/16 Stud 57500BK This header accommodates all emissionProduct Description: Rocker Arm Original 7 16 in Stud Mount 1. 60 Ratio Full Roller Aluminum Orange Anodized Small Block Chevy Sold Individually Since the 1950s, Harland Sharp is the leader in roller rocker arm technology. Sharp manufactures roller rockers and rocker components for a variety of applications. Their rockers are made from lightweight aluminum and anodized for increased durability.