RACE SERIES® 487 CAMCHEST KITS • Feuling® complete camchest kits include all necessary components from top to bottom of the camchest conveniently packaged under one 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 guesswork out of the ordering process and provides the engine builder maximum reliability, peak performance and the coolest engine/oil temperatures obtainable • Complete Camchest kits include: Feuling High Volume Oil pump, High Flow Camplate, Reaper® series camshafts, Race Series® full-travel or short- travel hydraulic roller lifters, fixed-length pushrods, Timken®/Koyo® cam bearings, rocker arm studs/nuts, gaskets, O-rings, ARP® cam/crank fasteners, washers, moly paste and Loctite® • Race Series kits include a Race Series oiling system (billet 7075 oil pump, Race Series lifters, High Flow billet 7075 aluminum camplate) • Billet 7075 aluminum oil pump, which is 50% harder and stronger than the factory pump, holding tighter tolerances under temperature, deeper scavenge kidneys over Fueling HP+® oil pump • Deeper scavenge kidney ports over the HP+ series for even more scavenge flow volume • Race Series full-travel hydraulic lifters have a full 0.200” of total travel designed with a 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 • Race Series short-travel hydraulic lifters have 0.115” of total travel and will increase rpm by decreasing valve float and valve-train harmonics while maintaining a quiet engine • The travel reduction reduces the amount of oil that is required to fill the inside of the lifter which reduces oil aeration inside the lifter on steep, fast action high lift camshaft lobes • 30% more pressure gear volume over stock for M-Eight water-cooled motors • 53% more scavenge gear volume over stock for M-Eight water-cooled motors • 27% more pressure and scavenge gear volume over stock for M-Eight OilCooled motors • 42% more scavenge volume with port sizing, matched passages and holes to the engine case for M-Eight water-cooled motors and M-Eight Oil-Cooled motors • 46% more oil volume to the crankshaft and connecting rod bearing for M-Eight water-cooled motors and M-Eight Oil-Cooled motors • 15 to 25 degree cooler engine temperatures for M-Eight water-cooled motors and M-Eight Oil-Cooled motors • 15 to 30 degree cooler oil temperatures for M-Eight water-cooled motors and M-Eight Oil-Cooled motors • 10 to 30 more psi of oil pressure for M-Eight water-cooled motors and M-Eight Oil-Cooled motors • Increase oil pressure, scavenge volume and engine oil flow • Quieter and smoother engine operation • Reduces wet sumping, blowby 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 torque gain to the rear wheel on M-Eight • Feuling test results show a 50% reduction of engine sump oil level • Feuling M-Eight oil pumps have the groove machined on the back cover to accept the factory crank bearing seal • Reaper® 487 cam is a great all-around camshaft and Feuling’s go to for 41/ 2 stroke 114” and 117” looking for an aggressive bolt-in • Cam specs measured in the engine on the lifter @ 0.050” using a 1.61 rocker arm ratio • Intake: 0.478 valve lift, 20.5° open, 37° close, 237° duration @ 50, 0.180” lift @ TDC, 98.5° lobe centerline • Exhaust: 0.487 Valve Lift, 44° open, 17.5° close, 241.5° duration @ 50, 0.146” lift @ TDC, 103.25° lobe centerline • Made in the U.S.A. NOTE: Not for 2023-2025 models with 121” VVT motors. 5 DRAGSPECIALTIES.COM AUGUST 2025 THE DRAG SPECIALTIES DISCLAIMER: PRODUCTS WITH EMIS CODE 1 ARE EMISSION COMPLIANT IN ALL STATES, INCLUDING CALIFORNIA. PRODUCTS WITH EMIS CODES 2 ARE EMISSION COMPLIANT IN ALL STATES EXCEPT CALIFORNIA. PRODUCTS WITH EMIS CODE 3 ARE “COMPETITION USE” ONLY, AND NOT LEGAL IN ANY STATE FOR STREET USE ON ANY POLLUTION-CONTROLLED VEHICLES. PRODUCTS WITH EMIS CODE 4 HAVE NO U.S. TERRITORY RESTRICTIONS
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