Chevrolet Performance LS3 / L92 Aluminum Engine Block - 4.065 in Bore - 9.240 in Deck - Standard Main - 6-Bolt Mains - 1-Piece Seal Blocks & Components G-Meter MPH

G-Meter MPH

SFI Approved Case

apply pressure

1968-1993 Mercury Cougar

Chevrolet Performance LS3 / L92 Aluminum Engine Block - 4.065 in Bore - 9.240 in Deck - Standard Main - 6-Bolt Mains - 1-Piece Seal Blocks & Components G-Meter MPHProduct Description: Engine LS3 L92 Bare Block 4. 065 in Bore 9. 240 in Deck Standard Main 6 Bolt Mains 1 Piece Seal Aluminum GM LS 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