FEULING M8 WATER COOLED camchest kits include all necessary components from top to bottom of the camchest conveniently packaged under 1 part #. These combination kits not only ensure each individual part is designed to work and function together but to do so in total harmony. These camchest kits take the guess work out of the ordering process and guarantees the engine builder maximum reliability; peak performance and the coolest engine and oil temperatures obtainable.• RACE SERIES kit• 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• 46% 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 Milwaukee Eight• NOTE: FEULING test results show a 50% reduction of engine sump oil level.Due to the mass call volume & inquires with requests for the M8 oil pump back cover O-ring/seal groove; we’ve added the groove! (5/11/21). Although Feulings in house testing on healthy engines did not show a benefit. The O-ring may have potential benefits