dragspecialties.eu / partseurope.eu WINDSHIELDS & FAIRINGS SADDLEBAGS & LUGGAGE SEATS & SISSY BARS FUEL/AIR SYSTEMS EXHAUST TRANSMISSION, CLUTCH LINE & DRIVELINE ENGINE GASKETS & SEALS LIGHTING & LICENSE PLATES ELECTRICAL HANDLEBARS, CONTROLS & MIRRORS CABLES TANKS & OIL FILTERS BRAKES & BRAKE LINES DASHES & GAUGES FENDERS COVERS, LOCKS & GENERAL AUDIO, COMMUNICATION & MOUNTS FRAMES & SUSPENSION FOOTRESTS & FLOORBOARDS WHEELS & AXLES SECTION 6 DISCLAIMER: SEE PAGE 5 FOR IMPORTANT INFORMATION REGARDING CERTAIN WARRANTY AND EMISSION CONTROL REGULATION COMPLIANCE AND NOISE REGULATION INFORMATION. See OLDBOOK For Early Model Applications All part numbers in BLUE are new for 2024. 580 REAPER® CAMS FOR 17-23 M-EIGHT •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 405 CAM •Produces a wide powerband that increases torque and horsepower throughout the entire rpm range •Direct bolt-in replacement for M-Eight engines; can be used with stock valve springs, pushrods, lifters and exhaust •Will respond well when used with slip-on mufflers or full exhaust system and a high-flow air cleaner •Feuling recommends mufflers with smaller cores for the best low-rpm power •1700 - 5700 rpm range 465 CAM •Produces solid bottom-end performance and substantial gains above 2800 rpm compared to the stock cams •Direct bolt-in replacement for M-Eight engines; can be used with stock valve springs, pushrods, lifters and exhaust •Will respond well when used with slip-on mufflers or a full exhaust system and a high-flow air cleaner •Use of performance valve springs is not required but may result in a quieter, smoother-running valve train •Responds well when combined with increased engine bore and/or engine compression •1850 - 5950 rpm range 472 CAM •Great all-around camshaft and Feulings go to for 4 1/2 stroke 114” - 117” engines looking for a little more than the 465 grind and wanting a bolt-in •Has a great bottom end with substantial gains above 2800 rpm when compared to stock •Use of performance valve springs is not required but may result in a quieter, smoother-running valve train; see PART #0926-2973 on page 551 •Responds very well to increased bore and or compression, exhaust system and air cleaner 508 CAM •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 •Requires high lift valve springs; see PART #0926-2973 on page 551 •Heavy-duty pushrods are highly recommended; see PART #0928-0091 •2250 - 5900 rpm range 521 CAM •Aggressive pulling power with a “nasty” sound, the Reaper 521 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 •Stock throttle body produces an excellent powerband; use of a high-flow throttle body may increase peak power numbers •A high-flow exhaust system and air cleaner is highly recommended for optimal performance •Feuling recommends matching 521 cam with Race Series oiling system PART #0932-0199 •Requires high lift valve springs; see PART #0926-2973 on page 551 •Heavy-duty one-piece pushrods are also highly recommended; see PART #0928-0091 on page 561 •2250 - 6250 rpm range 538 CAM •Aggressive camshaft with a nasty sound •Revs up fast and pulls hard in engines with big bore cylinders, modified cylinder heads, intake, compression and exhaust •The REAPER 538 grind will shine in 124” 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 this cam with Race Series oiling system •High lift valve springs are required on stock cylinder heads; see Feuling Beehive valve spring kit PART #0926-2973 on page 551 •SE cylinder heads have high lift valve springs, but will need to be verified •Heavy-duty one piece pushrods are also highly recommended; see PART #0928-0091 on page 561 •2250 - 6250 rpm range 0925-1163
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