T&D Machine BBC Sport Comp Shaft R/A Kit 1.70/1.70 Ratio NMO-RACE-12C • 660 Intercom

• 660 Intercom

1979-1987 Oldsmobile Cutlass

Inlet/Outlet Tapped For 3/8" NPT

Carpet Lined

Derale Fan Spacer 1-1/2" 31515

T&D Machine BBC Sport Comp Shaft R/A Kit 1.70/1.70 Ratio NMO-RACE-12C • 660 IntercomProduct Description: Rocker Arm SportComp Shaft Mount 1. 70 Ratio Full Roller Aluminum Natural Big Block Chevy 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 fact that unlike some