Moser Engineering GM 12 Bolt Aluminum Rear Cover A-1 Performance Plumbing one 3/8" NPT inlet and

one 3/8" NPT inlet and is adjustable from 1 to 4 psi

The OE unit was prone-to-fail

Knitted from extra-plush Nomex

Earl's 1-1/16" Dowty Seals (2 Pack) 178117

Moser Engineering GM 12 Bolt Aluminum Rear Cover A-1 Performance Plumbing one 3/8" NPT inlet andProduct Description: Differential Cover Performance Gasket Hardware Included Aluminum Natural Car GM 12 Bolt Sold Individually Moser Engineering has been leading the competition since 1986 and continues to provide industry leading products. We pride ourselves in our ability to supply quality America made products, at an affordable price. Moser Engineering, founded in 1982, manufactures aftermarket performance rear end components for various racing