Camchest - Race Series® - Reaper 538 - Oil Cooled - M8Quieter and smoother engine operation Increases oil pressure, scavenge volume and engine oil flow 15 35 cooler engine temperatures 15 30 cooler oil temperatures 15 30 more PSI of oil pressure Eliminates wet sumping, blow by and oily air cleaners Heavy duty . 165" wall one piece pushrod reduces valvetrain harmonics and increase valve lift Responds well with slip on mufflers and or a complete exhaust system and high flow air cleaner Responds well with