Kit includes Race Series oiling system: billet 7075 oil pump, Race Series lifters and High Flow billet aluminum camplate Oil pump is 50% harder and stronger than the factory pump, holds tighter tolerances under temperature Race Series hydraulic lifters have a full .200ö of total travel designed with slower bleed-down rate to handle heavy valve spring pressures, increase engine rpm before valve float and feature increased roller clearance for steep-ramped camshafts and clearance for the M-Eight front exhaust camshaft lobe flange Quieter and smoother engine operation Increase oil pressure, scavenge volume and engine oil flow 15?-25? cooler engine temperatures 15?-30? degree cooler oil temperatures 10-30 more PSI of oil pressure Eliminate wet sumping, blow by and oily air cleaners Heavy duty .165ö wall one-piece pushrods reduce valvetrain harmonics and increase valve lift High-flow air cleaner and triple-stepped exhaust pipe highly recommended High-lift high-load valve springs are required RPM range 2850-6250. CAM KT RACE 592 M8 17+ WC