BluePrint Engines Chev 383 Engine 430hp With Accessory Drive Kit BP38318CTC1DKBluePrint Engines 383 CI SBC Stroker Crate Engine Small Block GM Style Deluxe Dressed w Pulleys Longblock with Carburetor Aluminum Heads HP & 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 provision: Yes Passenger Side Dipstick Drilled