Winters Billet Aluminum Locker Differential Mr. Gasket Swivel Insert

Swivel Insert

1984-1989 Lincoln Mark VII

They have been powering racing legends and street enthusiasts alike since the early 70's

1970-1983 Buick Estate Wagon

Winters Billet Aluminum Locker Differential Mr. Gasket Swivel InsertLocker is a fully automatic locking differential that delivers spool type traction on the straightaways and automatically unlocks in the corners. Weighs 13 lbs. 8 oz. 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