The Race Series® Camchest Kit with Short Travel Lifters upgrades oiling and valvetrain control to improve reliability and rpm response. The kit centers on a billet 7075 aluminum high‑volume oil pump that is 50% harder and stronger than the factory pump and holds tighter tolerances under temperature. Short travel hydraulic lifters provide 0.115" total travel to reduce valve float and valve‑train harmonics while maintaining a quiet-running engine.
- Deeper scavenge kidney ports for increased scavenge flow volume
- 30% more pressure gear volume over stock for M‑Eight Twin‑Cooled motors
- 53% more scavenge gear volume over stock for M‑Eight Twin‑Cooled motors
- 27% more pressure and scavenge gear volume for M‑Eight Oil‑Cooled motors
- Matched passages and holes to the engine case for a 42% increase in scavenge volume
- 68% more oil volume to crankshaft and rod bearings, reducing wet sumping and blowby
- Magnets in the oil pump to protect gears and the pressure relief valve
Test results show approximately 2 hp and 2 ft/lb of torque gain at the rear wheel on M‑Eight engines, and Feuling testing indicates a 50% reduction in engine sump oil level. The kit helps lower engine and oil temperatures and increases oil pressure and flow for improved reliability under hard use.
Kit includes: Race Series® high volume oil pump, high flow billet camplate, Reaper® Series camshaft, Race Series® short hydraulic roller lifters, one‑piece pushrods, Timken®/Koyo® cam bearings, rocker arm studs and nuts, gaskets, O‑rings, ARP® cam/crank fasteners, washers, moly paste and Loctite®.
Made in the USA. Not for '23-'24 models with 121" VVT motor. 🔧
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