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131ci, 4-5/8in. Stroker Flywheel Assembly. Fits 107/114/117ci Milwaukee-Eight 2017up when using S&S 131ci Big Bore Cylinders.



M8 engines must check clearance on front exhaust lifter to camshaft flange fit



RACE SERIES OILING SYSTEM, Gear or Chain drive, M8 17up Water Cooled engines.

* If using gear drive cams in.Block-off Platein. part # FE-8016 is required

* Kits include a RACE SERIES® oil pump, RACE SERIES® lifters, HIGH FLOW camplate and cam installation kit.



FEULING® WATER COOLED oiling system kits combine all the needed components to finish your M8® engines oiling system under 1 Part number. FEULING® oiling system kits increase oil pressure, oil volume, engine oil flow and return oil scavenging


• Quieter and smoother engine operation

• Increase oil pressure, scavenge volume and engine oil flow

• 30% more pressure gear volume over stock

• 53% more scavenge gear volume over stock

• 42% more scavenge volume with port sizing, matched passages and holes to the engine case

• 68% more oil volume to the crankshaft and connecting rod bearing

• 15-25 degree cooler engine temperatures

• 15-30 degree cooler oil temperatures

• 10-30 more PSI of oil pressure

• Reduces wet sumping, blow by and oily air cleaners

• Magnets in oil pump to help protect gears and pressure relief valve

• Test results show 2 HP gain and 2 ft/lbs of TQ gain to the rear wheel on M8

• NOTE: FEULING test results show a 50% reduction of engine sump oil level.