Dart BBC 4.560 Tall Deck small block 300" material above top ring

300" material above top ring land) With Gas Port For Improved Ring Seal Wrist Pins: Upgraded Tool Steel

0 stroke 4340 forged LS crankshaft

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Mesa Balancing Racing Engines uses a GM remanufactured 1 piece rear main seal block which is steel shot prepared magnetic particle inspected and fully blueprinted by machining every critical machine surface first we align hone second we parallel deck then we finish the cylinders with a torque plate to the proper finish and piston to wall clearance for the pistons being used

Dart BBC 4.560 Tall Deck small block 300" material above top ringBig M Sportsman Chevrolet Big Block Iron Block 4. 560 in. Bore, 10. 200 in. Deck manufacturer part number 31223554