Harland Sharp Original SB Chevy Rocker Arm - 1.6 Ratio - 7/16 Stud 57500BK 1300 / 5600 RPM

1300 / 5600 RPM

Bert/Brinn Starter can handle up to 16:1 compression

1957-1957 Oldsmobile

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Harland Sharp Original SB Chevy Rocker Arm - 1.6 Ratio - 7/16 Stud 57500BK 1300 / 5600 RPMProduct 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.