Chevrolet Performance LT1/LT4/LT5 Aluminum Engine Block - 9.240 in Deck - Standard Main - 6-Bolt Mains - 1-Piece Seal RTP1000252 Diaphragm / Spring

Diaphragm / Spring

Vehicle Applications: 1978-1987 Buick Regal CID 231 Naturally Aspirated GAS

SR-1's performance is not compromised by standardized additive technology or by our competitors' price points

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Chevrolet Performance LT1/LT4/LT5 Aluminum Engine Block - 9.240 in Deck - Standard Main - 6-Bolt Mains - 1-Piece Seal RTP1000252 Diaphragm / SpringProduct Description: Engine Bare Block 4. 065 in Bore 9. 240 in Deck Standard Main 6 Bolt Mains 1 Piece Seal Aluminum Natural GM LT Series Sold Individually Chevrolet Performance has a wide selection of performance upgrade parts specifically for GM vehicles, as well as crate engines, you can add proven performance to stock vehicles. Looking to personalize your vehicle? Chevrolet Performance is the place. Inside youll discover a complete portfolio of