Blueprint Engines BP38321SP: 383 SB-Chevy Short Block+ Assembly 3.75" Stroke Forged Steel Crankshaft
Chevy Small Block
383 SB-Chevy Short Block+ Assembly 3.75'' Stroke Forged Steel Crankshaft 4-Bolt Main Cap Block Forged Pistons 9.5:1 Compression Ratio w/64cc Heads Hydraulic Roller Camshaft .528''/ .536'' 1-Piece Rear Main Seal Int / Ext Balance