Best Selling Products

Jims HydroSolid Lifters Perform like a hydraulic tappet up to 5500 rpm, then turn into a solid tappet When they turn into solid tappets, it adds approximately three to six more usable horsepower Prevent hydraulic pump at high rpms Made in the U.S.A. Require the use of adjustable pushrods.

Jims PowerGlide II Lifters These tappets have undergone extensive development to increase load, lubrication, hydraulic and life capacities Billet body Increased roller width Roller perpendicularity held to .0002" Hand-honed hydraulic unit cavity Dynamic load capacities increased over 30% Lubrication capacities for hydraulic unit and valve train (top end) increased 10% Lubrication capacities for the roller, cams and cam bearings have increased 100% for increased cooling Made in the U.S.A.

Comp Cams V-Thunder Performance Forged Lifters Forged design is stronger than commonly available cast or billet designs Performance replacement for the stock hydraulic roller lifter Each unit is 100% tested for proper function Black oxide finish Made in the U.S.A.

Jims PowerGlide Steady Roll Lifters The same Powerglide advantage (oil-fed axle, billet steel body, precision fit hydraulics), but now incorporates a Steady Roll bronze bushing in place of the needle bearing roller These tappets have undergone extensive development to increase load, lubrication, hydraulic and life capacities Billet body Increased roller width Roller perpendicularity held to .0002" Hand-honed hydraulic unit cavity Dynamic load capacities increased over 30% Lubrication capacities for hydraulic unit and valve train (top end) increased 10% Lubrication capacities for the roller, cams and cam bearings have increased 100% for increased cooling Made in the U.S.A.

Feuling Race Series Full Travel Lifters Full-travel hydraulic lifters made from machined steel Exceed the needs of large-lift camshafts and higher spring pressures with a slower bleed-down rate Maintain proper and critical oil flow to valves, springs, rockers, shafts and valve guides Increase engine rpm and valvetrain stability; decreases valve float for maximum valve lift Recommended for both strip and performance street engines High-volume oil pump recommended. Recommended for engines running higher than 185 lb. valve spring seat pressure. Made in the U.S.A.

S&S Sidewinder Valve Springs Unique S&S design dual-spring kit reduces the risk of valve float For valve lift to .585" with 1.800"/130 lb. installed height, 325 lb. at max lift Includes springs, top and bottom collars, keeper shims and valve seals Made in the U.S.A.

Kibblewhite Racing Valve Spring Kits 600" max lift kits are designed for maximum performance Feature interference-wound, double-chrome silicone springs; heat-treated steel base washers Include steel retainers Made in the U.S.A.

Feuling Econo Beehive Valve Springs Twin Cam Made from premium stress-relieved conical ovate wire Feature extremely high-level of fatigue life Use a much smaller and lighter weight retainer to reduce valve weight and create quicker rev and smoother motion Designed to handle the demands of performance engines with 585" and smaller lift camshafts Kits include: Econo BeeHive® valve springs, lightweight 7° steel retainers, machined heat-treated chromoly spring seats, seat shims, valve locks and a set of premium Viton® valve seals equipped with spring-loaded valve stem wiper system Seat lbs./installed height; 183 lbs. at 1.770" (0.510" lift), 175 lbs. at 1.795" (0.535" lift), 172 lbs. at 1.813" (0.553" lift), 165 lbs. at 1.835" (0.574" lift), 160 lbs. at 1.845" (0.585" lift), 380 lbs. at 1.260" OPEN HEIGHT coil bind at 1.190" Dyno proven and track tested Feuling® BeeHive® valve springs must be installed at the correct OPEN HEIGHT, matching max lift to the open height spec of the valve springs Made in the U.S.A. Econo BeeHive® kits are direct replacement with no machining or rocker box clearance required for cams up to .574" lift for 84-04 Big Twin and 86-03 XL and up to .585" lift for 05-17 Twin Cam.

Feuling High-Load Beehive Valve Springs With Titanium Retainers Made from premium stress-relieved conical ovate wire with nitrided surface heat treatment, shot-peened surface enhancements and Nano Peen™ polish Feature extremely high level of fatigue life Use a much smaller and lighter weight retainer to reduce valve weight and create quicker rev and smoother motion Designed to handle the highest demands of performance engines with high-lift, steep-ramped camshafts Kits include: High-Load BeeHive® valve springs, lightweight 10° Titanium retainers manufactured from Ti-17 alloy and micropolished for enhanced fatigue life, machined heat-treated chromoly spring seats, seat shims, valve locks and a set of premium Viton® valve seals equipped with spring-loaded valve stem wiper system Seat lbs./installed height; 217 lbs. at 1.789" (.574" lift), 215 lbs. at 1.800" (.585" lift), 208 lbs. at 1.819" (.604" lift), 200 lbs. at 1.845" (.630" lift), 185 lbs. at 1.900" (.685" lift), 170 lbs. at 1.935" (.720" lift), 415 lbs. at 1.215" (open height) coil bind at 1.125" Dyno proven and track tested Feuling® BeeHive® valve springs must be installed at the correct OPEN HEIGHT, matching max lift to the open height spec of the valve springs Made in the U.S.A. Feuling® BeeHive® valve spring kits are direct replacement with no machining or rocker box clearance required up to .574" lift for 84-04 Big Twin and 86-03 XL and up to .700" lift for 05-17 Twin Cam. Larger camshafts require valve guide machining for seal-to-retainer clearance.

Feuling Endurance Beehive Valve Springs With Titanium Retainers Made from premium stress-relieved conical ovate wire Feature extremely high-level of fatigue life Use a much smaller and lighter weight retainer to reduce valve weight and create quicker rev and smoother motion Designed to handle the demands of performance engines with 585" and smaller lift camshafts Kits include: Econo BeeHive® valve springs, lightweight 7° steel retainers, machined heat-treated chromoly spring seats, seat shims, valve locks and a set of premium Viton® valve seals equipped with spring-loaded valve stem wiper system Seat lbs./installed height; 183 lbs. at 1.770" (0.510" lift), 175 lbs. at 1.795" (0.535" lift), 172 lbs. at 1.813" (0.553" lift), 165 lbs. at 1.835" (0.574" lift), 160 lbs. at 1.845" (0.585" lift), 380 lbs. at 1.260" OPEN HEIGHT coil bind at 1.190" Dyno proven and track tested Feuling® BeeHive® valve springs must be installed at the correct OPEN HEIGHT, matching max lift to the open height spec of the valve springs Made in the U.S.A. Econo BeeHive® kits are direct replacement with no machining or rocker box clearance required for cams up to .574" lift for 84-04 Big Twin and 86-03 XL and up to .585" lift for 05-17 Twin Cam.

Feuling High-Load  Beehive Valve Springs With Titanium Retainers For M8 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 exceed the high demands of V-Twin engines from stock to performance FEULING® BEEHIVE® valve springs use a smaller lighter weight retainer which drastically reduces the valve weight creating a quicker revving and smoother motion than comparable dual or single valve springs. Valve springs are a direct bolt-in replacement, no spring seat or rocker cover machining required up to .565” lift Springs will accommodate over .600 cam lift, but will require spring seat pocket machining on the cylinder heads to set correct spring open height Smaller lighter weight retainers which drastically reduce the valve weight creating a quicker revving and smoother motion than comparable dual or single valve springs Eliminate valve spring separation, maximize stability, reduce valve-train noise & harmonics Kits include: matched set of Feuling® High Load Beehive® valve springs, Ti retainers, machined spring seats, seat shims, valve locks and a set of premium Viton® valve seals equipped with a spring loaded valve stem wiper system ONLY recommended for large lift camshafts and RACE style engines as these valvesprings if not set properly will create extreme rocker arm deflection Seat lbs./Installed Height 151 Lbs. @ 1.475 (0.485 Lift) 144 Lbs. @ 1.498 (0.508 Lift) 143 Lbs. @ 1.501 (0.511 Lift) 140 Lbs. @ 1.511 (0.521 Lift) 124 Lbs. @ 1.562 (0.578 Lift) 120 Lbs. @ 1.582 (0.592 Lift) 304 Lbs @ 0.990 OPEN HEIGHT Coil Bind @ .945 Recommended for .540”+ lift camshafts Feuling® BeeHive® valve springs must be installed at the correct OPEN HEIGHT, matching max lift to the open height spec of the valve springs Made in the U.S.A.

S&S Big Bore Kits Twin Cam The Big Bore kit yields excellent results with stock cylinder heads Easy installation: no need to bore or split existing cases, just swap the cylinders Cylinders are constructed from premium aluminum castings with cast-in iron liners Kits include cylinders, pistons, rings and gaskets (head, base and exhaust) Black or silver powder-coat finish Made in the U.S.A. This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.

S&S Big Bore Kits for Twin Cam 99-06 The Big Bore kit yields excellent results with stock cylinder heads Easy installation: no need to bore or split existing cases, just swap the cylinders Cylinders are constructed from premium aluminum castings with cast-in iron liners Kits include cylinders, pistons, rings and gaskets (head, base and exhaust) Black or silver powder-coat finish Made in the U.S.A. This project requires a skilled technician. It is the responsibility of the person assembling the parts to check all clearances and assembly specifications.

Feuling Rocker Stud Kit Keep those cylinder heads from cracking 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 valve springs Made in the U.S.A.

Feuling 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, moly assembly lubricant and thread sealant Stock replacement; reusable studs recommended for all V-Twin engines Manufactured by ARP® to Feuling's exact specifications Made in the U.S.A.