fits  17-23 M8

Forged Super Duty series for the Milwaukee Eight engine. With hard anodized crown and top ring groove to reflect heat and prevent ring to groove ‘micro-welding’. The Line2Line abradable self-lubricating powder coating technique allows zero tolerance installation, final tolerance will be 0.003″. The piston creates its own perfect tolerance during run-in, the coating automatically gives the tightest possible & perfect piston to cylinder fit for no piston rock and best possible ring seal. Note: Fits 114/117″ M8 engines, cylinder must be bored to 4.125″ big bore size. Case boring is not required, OEM weight so rebalancing is not required and works with stock 4.500″ stroke. 10.9:1 CR. (with 88.6cc head volume). Piston weight: OEM. Piston pin weight 115gr., offset: 0.025″. Piston: +1.9cc/Flat top. Compression height: 1.083″. Ring pack: 1.2mm 1.2mm 3.0mm. Bore 4 1/8″ / Stroke stock 4.500″.

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Home > Parts > Engine > Top End > Pistons > KB, M8 114/117 to 120″ big bore conv. piston set. +.040″