Harland Sharp Original Rocker Arm 3/8" Stud Mount 1.60 Ratio - Small Block Ford 500020159 a reinforcing lip located on

a reinforcing lip located on the trailing edge and a black powder-coated finish

CAUTION: Be sure that the fan bolts don't protrude through the hub so far that they hit the water pump housing

Hummer H2: 2003 - 2009

Zinc Oxide

Harland Sharp Original Rocker Arm 3/8" Stud Mount 1.60 Ratio - Small Block Ford 500020159 a reinforcing lip located onProduct Description: Rocker Arm Original 3 8 in Stud Mount 1. 60 Ratio Full Roller Aluminum Orange Anodized Small Block Ford 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.