Winters Thin O-Ring - Fits 4 & 6-Rib Side Bell - Sprint Center Quick Change Rear Ends 919300 Beneath the bolt down cap

Beneath the bolt down cap and MSD Race Rotor you'll find MSD's accurate mechanical advance assembly

Mercury: Cougar 67 - 70 6

while our universal plate type bolts across any cylinder bore when the heads are off

Protects Face Shield from Dirt and Scratches

Winters Thin O-Ring - Fits 4 & 6-Rib Side Bell - Sprint Center Quick Change Rear Ends 919300 Beneath the bolt down capGenuine Winters Replacement Parts for Sprint Center Quick Change Rear Ends (Diagram #6). 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,