T&D Machine Shaft Mount Rocker Arm - 1.70 Ratio - Full Roller - On Shaft - 1.650" Long - Big Block Chevy 20193XSSK Fits Most Holley Carburetors w/

Fits Most Holley Carburetors w/ Small 9/16"-24 Inlet

Each HANS Device is sold complete with two quick click attachments (enough for one helmet) and matching tether

60lb less than its zinc counterpart

Integrated 1/8" NPT gauge port

Features:Replacement Boots

T&D Machine Shaft Mount Rocker Arm - 1.70 Ratio - Full Roller - On Shaft - 1.650" Long - Big Block Chevy 20193XSSK Fits Most Holley Carburetors w/Product Description: Rocker Arm Shaft Mount 1. 70 Ratio Full Roller On Shaft 1. 650 in Long Aluminum Natural Big Block Chevy Sold Individually T&D manufactures rocker arm systems for over 400 cylinder heads and its products have established a reputation for the highest levels of quality, performance and long term reliability. The company works closely with leading engine builders to maintain its position at the forefront of technology. Add to this the