SBC Pwr Adr Long Block

The Power Adder SBC Short Block comes standard with many features designed to handle high horsepower levels (Turbo, Blower, Nitrous)The Dual 3/16" Keyway option is highly recommended for supercharger applications.The ATI Blower Balancer has both the 3 bolt SBC pattern and the standard 2.80" Chrysler Blower Bolt Pattern & extra thick BBC Hub. The ATI Balancer requires a matching ATI Timing Cover which accepts a BBC timing cover seal to match the Balancer's larger hub. 383" Specs:Block: Smeding Heavy Duty 4 Bolt Mains, 9.025" Deck Height, 1 Piece Seal, 4.000" BoreCrankshaft: Smeding 4340 Forged Steel, Internal/External Balance, 3.800” StrokeRods: Smeding 4340 Forged Steel H-Beam with 7/16" Bolts, 5.700" LengthPistons: JE Forged 2618 High Strength Aluminum, Coated SkirtsRings: Plasma-Moly Top, Low Friction Oil, 5/64” x 5/64” x 3/16”Rocker Arms: Smeding 1.5 Ratio, Full-RollerCylinder Heads: Smeding Aluminum, 180cc Intake Port, 2.02"/1.60" Valves, 65cc ChambersHead Gaskets: Cometic Mult