Winters Posi-Lock Retainer - Pinion Shaft P252Z Hydraulic - Magnum: Needs 9:1

Hydraulic - Magnum: Needs 9:1 compression

They may be trimmed for chassis clearance or used as a mid-mount plate

Recommended for high output

and a full 60 wide with end caps

Fits 1966-1967 Buick Gran Sport and Special with 6 or 8 cylinder engine without a console

Winters Posi-Lock Retainer - Pinion Shaft P252Z Hydraulic - Magnum: Needs 9:1Genuine Winters Replacement Parts for Sprint Center Quick Change Rear Ends (Diagram #21). For more than 60 years, Winters Performance Products has been producing high performance rear ends and driveline components for racing and street use. Their product offering includes everything from quick change gear sets to shifter assemblies, as well as many components specifically for the sprint car market. Winters Performance is undeniably the most reliable,