BluePrint Engines Chev 383 Stroker Engine 430hp Black # BP38318CTC1D-BKBluePrint Engines 383 CI Stroker Crate Engine Small Block GM Style Deluxe Dressed Longblock with Carburetor Aluminum Heads Roller Cam BLACK INTAKE MANIFOLD CARBURETOR ROCKER COVERS HP and torque : 436 HP 443 FT LBS Compression Ratio: 10. 0: 1 Aluminum Heads Hydraulic Roller Cam Cast Steel Crank Hypereutectic Pistons BLOCK: NEW BluePrint Cast Iron Block Manufactured and Machined in the USA! 4 Bolt Main 4. 000" Bore 1 Piece Rear Main Seal Mech fuel pump