Harland Sharp Original SB Chevy Rocker Arms - 1.6 Ratio - 7/16 Stud SRB23C where it senses current and

where it senses current and creates a conventional 12V square wave signal output which can be utilized by AutoMeter tachometers and many aftermarket RPM activated devices

are stronger and rated at 200

warp-resistant Dura-Flex 2000 material and tailor-made for added durability and flexibility on the trail

Lincoln Blackwood 2002

Four Corner Style - Allows Flow of Steam & Coolant from Front & Back of Cylinder Heads

Harland Sharp Original SB Chevy Rocker Arms - 1.6 Ratio - 7/16 Stud SRB23C where it senses current andProduct Description: Rocker Arm Original 7 16 in Stud Mount 1. 60 Ratio 0. 050 in Offset 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.