Yukon High Performance Yukon Ring & Pinion Gear Set for GM 8.5in Olds Rear 3.90 Ratio

Yukon Gear & Axle high performance ring & pinions set the standard for quality. Yukon Engineers use state-of-the art design & testing processes, backed by 2 in-house quality labs to ensure each item manufactured meets exacting specifications & quality standards. Yukon designed gear tooth surface finish reduces both friction & heat for long races & high torque conditions. We use high grade steel in both the ring & pinion, with fitment designed to OEM specs. Go ahead, add loads of horsepower & go big on tires because Yukon offers the widest selection of gear ratios to choose from. You?ll know that your gear choice was the right one, because you chose Yukon. Yukon Ring & Pinions come with a 1 year warranty against manufacture defects. Yukon offers a Y.E.S. Plan for a lifetime, comprehensive, no-questions-asked protection plan covering your gears for as long as you own the vehicle.
Installation Instructions
Installation Instructions
Installation Instructions


This Part Fits:

Year	Make	Model	Submodel
1964-1971	Oldsmobile	442	Base
1968-1972	Oldsmobile	Cutlass	Base
1972	Oldsmobile	Cutlass	Cruiser
1968,1971-1972	Oldsmobile	Cutlass	S
1965-1967	Pontiac	Catalina	2+2
1965-1981	Pontiac	Catalina	Base
1971-1972	Pontiac	Catalina	Brougham
1965-1981	Pontiac	Catalina	Safari
1965-1970	Pontiac	Catalina	Ventura
1965-1971	Pontiac	GTO	Base
1970-1971	Pontiac	GTO	The Judge
1964-1972	Pontiac	LeMans	Base
1972	Pontiac	LeMans	Luxury
1969-1970	Pontiac	LeMans	Safari
1970-1972	Pontiac	LeMans	Sport
1971	Pontiac	LeMans	T37