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Stage 2 - Crankshaft Balancing Service

When adding big bore pistons, especially extremely big bore pistons like our Monster Big Bore Kits, the increase in reciprocal mass (rods and pistons) dictates balancing the rotational mass, the crankshaft. The crank is completely disassembled and trued. The crank is then dynamically balanced on our ultra-precise Sunnen DCB750 dynamic balancing machines. A plug is then inserted and the welded in place, so the crank will remain balanced and true. A properly balanced crank will make more power with increased reliability.

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