Engine

Feuling #1201 - Valve Spring Kit - High Load Beehive with TI Retainers - TC with SE Heads

High Load Beehive Valve Springs Made from premium stress-relieved conical ovate wire with nitrided surface heat treatment, shot-peened surface enhancements and Nano Peen polish Uses a much smaller and lighter weight retainer to reduce valve weight and...

Feuling #1205 - Valve Spring Kit - High Load Beehive with TI Retainers - Twin Cam | XL | XR

High Load Beehive Valve Springs Made from premium stress-relieved conical ovate wire with nitrided surface heat treatment, shot-peened surface enhancements and Nano Peen polish Uses a much smaller and lighter weight retainer to reduce valve weight and...

Feuling #1207 - Valve Spring Kit - High Load Beehive with TI Retainers - M8

High Load Beehive Spring Kit Machined from a premium grade Hi-tensile chrome silicon single conical ovate wire, shot-peened with a specially processed thermal heat treat and super NexTex finish to give these valve springs the needed fatigue life to...

Feuling #1213 - Valve Locks - 7.00 mm Triple Groove - Twin Cam

Valve Locks Raises valve spring retainer to gain 0.050" installed height without maching the cylinder head spring set Made in the USA

Feuling #1215 - Valve Locks - 6.00 mm Triple Groove - M8

Valve Lock Standard height stock replacement 6.00 mm valve stem triple groove keepers Made in the USA

Feuling #1217 - Valve Spring Seat Shims - Twin Cam | XL

Valve Spring Seat Shims Set valve spring open height to match camshaft lifts for optimum valve-train stability and performance Includes four 0.060" thick shims, and four 0.015" thick shims with 1.500" OD (outer diameter) and 0.645" ID (inside diameter)...

Feuling #1218 - Valve Spring Seat Shims - M8

Valve Spring Seat Shims Set valve spring open height to match camshaft lifts for optimum valve-train stability and performance Includes eight 0.060" thick shims, eight 0.030" thick shims, and eight 0.015" thick shims with 1.200" OD (outside diameter) and...

Feuling #1231 - Rocker Shafts - Set - M8

Gorilla Rocker Shaft and Stud Kit Custom tooling was created to provide a countersink relief for the bolt/nut head versus machining away the entire end of the shaft per the factory design Recommended for all M-Eight engines and especially for engines...

Feuling #1232 - Rocker Shafts/Studs/Nuts - Kit - M8

Gorilla Rocker Shaft and Stud Kit Custom tooling was created to provide a countersink relief for the bolt/nut head versus machining away the entire end of the shaft per the factory design Recommended for all M-Eight engines and especially for engines...

Feuling #1235 - Gorilla Rocker Shafts

Gorilla Rocker Shafts Gas nitrided and final surface treated Over double the strength of factory rocker shafts Recommended for all Twin Cam engines and especially for engines running higher lift camshafts and heavier valve spring pressures Made in the U...

Feuling #1236 - Gorilla Rocker Shaft and Bolt Kit

Gorilla Rocker Shafts and Bolt Kit Gas nitrided and final surface treated Kit includes the shafts and our ARP bolts Recommended for all Twin Cam engines and especially for engines running higher lift camshafts and heavier valve spring pressures

Feuling #1237 - Gorilla Rocker Shaft and Bolt Kit

Gorilla Rocker Shafts and Bolt Kit Gas nitrided and final surface treated Kit includes the shafts and our ARP bolts Recommended for all Twin Cam engines and especially for engines running higher lift camshafts and heavier valve spring pressures

Feuling #1301 - Cam - 594 Series - Chain Drive

Reaper 594 Cam Fierce performing camshaft for an array of engine sizes, large displacement 103", 110" and 124" engines looking for a superior torque band with excellent horsepower gains in heavy bikes (2200-6250) Smaller high-revving displacement 95"...

Feuling #1302 - Cam - 594 Series - Gear Drive

Reaper 594 Cam Fierce performing camshaft for an array of engine sizes, large displacement 103", 110" and 124" engines looking for a superior torque band with excellent horsepower gains in heavy bikes (2200-6250) Smaller high-revving displacement 95"...

Feuling #1303 - Cam - 594 Series - Chain Drive

Reaper 594 Cam Fierce performing camshaft for an array of engine sizes, large displacement 103", 110" and 124" engines looking for a superior torque band with excellent horsepower gains in heavy bikes (2200-6250) Smaller high-revving displacement 95"...

Feuling #1304 - Cam - 594 Series - Gear Drive

Reaper 594 Cam Fierce performing camshaft for an array of engine sizes, large displacement 103", 110" and 124" engines looking for a superior torque band with excellent horsepower gains in heavy bikes (2200-6250) Smaller high-revving displacement 95"...

Feuling #1340 - Cam - 405 Series - Chain Drive - M8

Reaper 405 Cam Produces a wide powerband that increases torque and horsepower throughout the entire rpm range Direct bolt-in replacement for M8 engines; can be used with stock valve springs, pushrods, lifters and exhaust Will respond well when used with...

Feuling #1343 - Cam - 465 - M8

Reaper 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...

Feuling #1346 - Cam - 521 Series - M8

Reaper 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...

Feuling #1348 - Camshaft - 592 Series - Chain Drive - M8

592 Cam Aggressive camshaft requiring high lift and higher load valvesprings, performance pushrods and lifters High flow air cleaner and triple stepped exhaust pipe highly recommended Heavy duty pushrods are highly recommended RPM range 2,850 - 6,250

Feuling #1349 - Cam - 508 Series - Reaper - Chain Drive - M8

Reaper 508 Cam 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...

Feuling #1350 - Cam - 472 Series - Reaper - Chain Drive - M8

Reaper 472 Cam Great all-around camshaft and Feulings go to for 4-1/2" stroke 114" - 117" looking for a little more than our 465 grind and wanting a bolt-in Great bottom end with substantial gains above 2,800 RPM when compared to stock Use of performance...

Feuling #1351 - Cam - 538 Series - Reaper - Chain Drive

Reaper 538 Cam 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 The stock throttle...

Feuling #1370 - Camshafts - 505/515 XL

Reaper 505/515 Cam Produce a wide powerband in stock engines Split lift camshaft produces a solid powerband with top fuel sound Can be used with stock pushrods and valve springs Fueling recommends new camshafts with new lifters (not required)