Harland Sharp Original Rocker Arm 3/8" Stud Mount 1.60 Ratio - Small Block Chevy AP Racing The umbrella seal is normally

The umbrella seal is normally used when a larger-than-stock diameter spring is used

Machined From Aluminum Alloy

52 to 22 Degree Limit

Looking for an alternative to your stock fuel cell cap or maybe you need a fill cap for that custom oil tank or valve cover you are building

Choice of Gilmer or HTD Flywheel

Harland Sharp Original Rocker Arm 3/8" Stud Mount 1.60 Ratio - Small Block Chevy AP Racing The umbrella seal is normallyProduct Description: Rocker Arm Original 3 8 in Stud Mount 1. 60 Ratio Full Roller Aluminum Orange Anodized Small Block Chevy Set of 16 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.