Feuling Reaper 508 Chain Drive Cam - 2017-2020 Harley M-Eight Touring /Softail Feuling Reaper 508 Chain Drive Cam

This item fits: 2017-2020 Harley M8 Models Produce more power and torque in the riding rpm range, improving throttle response, acceleration and fuel mileage Smooth camshaft lobe ramps are easier on valvetrain components and eliminate excessive valvetrain noise and wear Dyno proven and track tested The Grim Reaper Aggressive pulling power with a nasty sound This camshaft revs up faster than the 521 grind, sounds nastier and pulls harder, but is more difficult to tune The Reaper 508 grind will shine in 114" and larger cubic inch engines with added compression ratio Ported cylinder heads are not required, but will complement the cam and add even more pulling power throughout the range The stock throttle body produces an excellent powerband and use of a high flow throttle body will increase peak power numbers A high-flow exhaust system and air cleaner is highly recommended for optimal performance Feuling recommends matching 508 cam with Race Series®​ oiling system PART #0932-0199 High-lift valve springs are required - PART #s 0926-2973, #0926-2974 or High-Load valve springs PART #0926-3138 (High-Load requires the use of Feuling Race Series®​ lifters) Heavy-duty pushrods are highly recommended - PART #0928-0091 2250 - 6250 rpm range Made in the U.S.A. NOTE: Due to the unstable nature of this 4-valve engine design with one rocker arm activating two valve springs, Feuling highly recommends running one-piece pushrods over quick-install adjustable pushrods to maintain maximum cam/valve lift and reduce valvetrain harmonics and associated hydraulic lifter issues. NOTE: Feuling fastener kit PART #2401-0994 also highly recommended to help prevent cylinder head cracking; kit replaces the rocker shaft bolts with studs and nuts to help reduce the stress of the rocker shaft standoffs.

This item fits: See Compatible Vehicles Above

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