Engine

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 #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 #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 #1443 - Camshaft Kit - HP+ Series - Reaper 465 - Chain Drive - M8

Camshaft Kit Includes Reaper camshafts, HP+ lifters and a cam installation kit that includes the cam bearing, cam/crank hardware Kit also includes gasket/O-ring kit that allows installation of Feuling Heavy-Duty HP+ .0165" wall one-piece pushrods or...

Feuling #1450 - Camshaft Kit - HP+ Series - Reaper 472 - Chain Drive - M8

Camshaft Kit Includes Reaper camshafts, HP+ lifters and a cam installation kit that includes the cam bearing, cam/crank hardware Kit also includes gasket/O-ring kit that allows installation of Feuling Heavy-Duty HP+ .0165" wall one-piece pushrods or...

Feuling #1453 - Race Series Camshaft Kit - 465 Series - Chain Drive - M8

Race Series Chain Drive Camshaft Kit Kit includes Reaper camshaft, Racer Series full travel hydraulic lifters with 0.200" total travel, gasket/o-ring kit that allows installation of Feuling heavy-duty HP+ 0.0165" wall one-piece pushrods or factory...

Feuling #1458 - Race Series Camshaft Kit - 592 Series - Chain Drive - M8

Race Series Chain Drive Camshaft Kit Kit includes Reaper camshaft, Racer Series full travel hydraulic lifters with 0.200" total travel, gasket/o-ring kit that allows installation of Feuling heavy-duty HP+ 0.0165" wall one-piece pushrods or factory...

Feuling #1459 - Race Series Camshaft Kit - 508 Series - Chain Drive - M8

Race Series Chain Drive Camshaft Kit Kit includes Reaper camshaft, Racer Series full travel hydraulic lifters with 0.200" total travel, gasket/o-ring kit that allows installation of Feuling heavy-duty HP+ 0.0165" wall one-piece pushrods or factory...

Feuling #1461 - Race Series Camshaft Kit - 538 Series - Chain Drive - M8

Race Series Chain Drive Camshaft Kit Kit includes Reaper camshaft, Racer Series full travel hydraulic lifters with 0.200" total travel, gasket/o-ring kit that allows installation of Feuling heavy-duty HP+ 0.0165" wall one-piece pushrods or factory...

Feuling #3007 - Head Bolt Kit - M8

Head Bolt Kit Feature precision j-form threads for optimum engagement, to prevent galling and promote more consistent torque loading Tensile strength rated at 180,000 psi; superior and stronger than OEM and grade 8 fasteners Kit includes all bolts...

Feuling #3024 - Stud Kit - Cylinder - M8

Cylinder Stud and Head Bolt Kit Studs are made from heat-treated 8740 chromoly; polished headbolts are made from alloyed stainless steel Kit includes eight cylinder studs, eight head bolts, moly assembly lubricant and thread sealant Stock replacement;...

Feuling #3027 - Cylinder Stud Kit - M8

Cylinder Stud Kit Precision J-form threads for optimum engagement, to prevent galling and promote more consistent torque loading Superior in strength and performance; designed to exceed needs of high-performance engines Kit includes eight cylinder studs,...

Feuling #3032 - Fastener Kit - Engine Case - Dress-Up - M8

Dress-Up Engine Case Bolt Fastener Kit Feature precision rolled threads for optimum engagement, to prevent galling and promote more consistent torque loading Wide under-head flange design provides even load distribution for optimum sealing of surfaces -...

Feuling #3037 - Stud/Nut Kit - Rocker Arm Shaft Stud - M8

Rocker Arm Shaft Stud & Nut Kit Feuling studs and nuts help relieve the stress put on the factory and SE cylinder heads, which have an extremely weak link with the rocker arm shaft standoffs Highly recommended if using higher lift camshafts and heavier...

Feuling #3047 - Stud/Nuts - Internal Rocker Box/Rockershaft - Kit - M8

Rocker Box/Rockershaft Stud/Nut Kit Helps prevent M8 cylinder head cracking Made in the USA

Feuling #3052 - Fastener Kit - External Engine - 12-Point - M8

12-Point External Engine Fastener Kit Features precision-rolled threads for optimum engagement, to prevent galling and promote more consistent torque loading Wide underhead flange design provides even load distribution for optimum sealing of surfaces -...

Feuling #3053 - Fastener Kit - External Primary/Transmission - 12-Point - M8

12-Point External Primary/Transmission Engine Fastener Kit Tensile strength rated @ 170,000 psi - superior & stronger than OEM & stronger than grade 8 fasteners Features precision rolled threads for optimum engagement, to prevent galling and promote more...