Internal Parts

High-Performance Piston Kit — 3.4955 in piston diameter, 10.5:1 compression, 1200 cc displacement

-€93.31

WISECO High-Performance Piston Kit — 3.4955 in piston diameter,...

Complete top-end piston rebuild kit with X-Ring package and hardware. Made in the USA.

€264.01 €357.32

Piston Kit with Gaskets — Piston diameter 3.934", Displacement 1746 cc

-€152.67

WISECO Piston Kit with Gaskets — Piston diameter 3.934", Displacement...

Forged high-silicon aluminum pistons with Armor Plating; kit includes pistons, pins, retainer clips, top-end gasket kit and VM-Rings. Made in USA.

€431.93 €584.60

-€115.92
Out of Stock

WISECO Piston Kit — 3.937", 4-3/8", 11:1, 1746 cc

ArmorX™-coated pistons with ArmorFit™ skirt coating for smooth, quiet operation. Includes pistons, rings, pins and circlips. Made in the U.S.A.

€327.99 €443.91

Piston Kit — 4.077" piston, 114 CI displacement, 11.0:1 compression

-€115.92

WISECO Piston Kit — 4.077" piston, 114 CI displacement, 11.0:1...

ArmorX™ coated piston kit with ArmorFit™ skirts, dome design for efficient burn, dedicated rings, and complete hardware included.

€327.99 €443.91

Piston Kit — 4.125" bore, +0.190" oversize, 4-3/8" stroke, 11:1 compression

-€114.36

WISECO Piston Kit — 4.125" bore, +0.190" oversize, 4-3/8" stroke,...

High-performance Wiseco piston kit with ArmorX™ coating and ArmorFit™ skirt. Includes pistons, rings, piston pins and circlips. Fits OEM and Screamin’ Eagle heads. Made in the U.S.A.

€323.56 €437.92

-€115.92

WISECO Piston Kit — 4.250" bore, 4-3/8" stroke, 11.0:1 compression

Two-piston kit with rings, piston pins and circlips. ArmorX™ coating and ArmorFit™ skirt reduce wear and noise while improving sealing; fits OEM and Screamin’ Eagle heads.

€327.99 €443.91

$Tracker Series™ Piston Kit — Bore 3.895\", Stroke 4.000\", 1562 cc$

-€68.28

WISECO Tracker Series™ Piston Kit — Bore 3.895\", Stroke 4.000\",...

Two-piston kit with forged crowns, precision-fit rings, force-fed pin oiling and ArmorGlide® skirt coating for improved durability and sealing.

€193.19 €261.47

Tracker Series™ Piston Kit — Bore 3.937 in, Stroke 4.375 in, Compression 10.5:1

-€72.30

WISECO Tracker Series™ Piston Kit — Bore 3.937 in, Stroke 4.375 in,...

High-strength piston kit with precision-fit rings, force-fed pin oiling, pressure-seal groove and low-friction skirt coating. Packaged with two pistons, rings, pins and circlips; made in the USA.

€204.57 €276.87

High-Performance Forged Piston Kit — 1700 cc, 3.885" bore, 4.375" stroke, 9.0:1 compression

-€115.92

WISECO High-Performance Forged Piston Kit — 1700 cc, 3.885" bore,...

Forged piston kit with ArmorGlide™ coated skirts, rings, retainer clips, and chrome piston pins. ArmorPlating on Twin Cam pistons improves ring seal and detonation resistance. Made in the USA.

€327.99 €443.91

$High-Performance Forged Piston Kit — Bore 3.885\", Stroke 4.375\", Compression 10.5:1$

-€115.92

WISECO High-Performance Forged Piston Kit — Bore 3.885\", Stroke...

Forged piston kit with ArmorGlide™ skirts, rings, retainer clips, and chrome piston pins; Twin Cam ArmorPlating for added protection. Made in USA.

€327.99 €443.91

High-Performance Replacement Ring Set — Bore 3.875", Displacement 103 cu in

-€9.22

WISECO High-Performance Replacement Ring Set — Bore 3.875",...

Replacement ring set for one piston; verify piston compatibility before purchase.

€26.09 €35.31

High-Performance Replacement Ring Set — Bore 3.875", Oversize +0.020", Displacement 95", VM Series

-€11.86

WISECO High-Performance Replacement Ring Set — Bore 3.875", Oversize...

Replacement rings for one piston; fit only matching pistons from the same manufacturer. Sold as a set for one piston.

€33.53 €45.39

High Load Beehive® Valve Springs — 0.750" lift, Kit

-€83.05

FEULING OIL PUMP CORP. High Load Beehive® Valve Springs — 0.750" lift, Kit

Premium Feuling High Load Beehive® valve spring kit for performance engines. Allows up to 0.750" lift; includes 10° titanium retainers, chromoly spring seats and Viton® seals. Made in USA.

€322.99 €406.04

-€83.05

FEULING OIL PUMP CORP. High Load Beehive® Valve Springs — 0.750" lift

High Load Beehive® valve spring kit engineered for extreme fatigue life and high-lift camshafts; allows up to 0.750" lift.

€322.99 €406.04

Viton® Valve Guide Seals — 7.00 mm stem, 4 pack

-€3.26

FEULING OIL PUMP CORP. Viton® Valve Guide Seals — 7.00 mm stem, 4 pack

High-temperature resistant seals with a spring-loaded wiper for low-friction oil control. Made in the USA.

€12.67 €15.93

Viton® Valve Guide Seals — 5/16" stem, 4-pack

-€3.26

FEULING OIL PUMP CORP. Viton® Valve Guide Seals — 5/16" stem, 4-pack

High-quality Viton® valve guide seals with a spring-loaded wiper for minimal friction; made in the USA.

€12.67 €15.93

-€7.71

FEULING OIL PUMP CORP. Valve Locks — 5/16" stem, set of 8

Raises valve spring retainer to gain 0.050" installed height without machining the cylinder head spring set. Made in the USA.

€29.95 €37.66

Econo Beehive® Valve Spring Kit — up to 0.585" lift, fits '84–'04 Big Twin, '86–'03 XL ≤0.574", '05–'17 Twin Cam ≤0.585"

-€52.00

FEULING OIL PUMP CORP. Econo Beehive® Valve Spring Kit — up to 0.585" lift, fits...

Lightweight heat-treated chromoly beehive springs; hand measured and labeled; reduces valve weight for quicker revs and smoother motion. Includes retainers, seats, shims, locks and Viton® seals. Fits cams up to 0.585" lift.

€202.24 €254.24

Viton® Valve Guide Seals — 6.00 mm stem, 8-pack

-€4.27

FEULING OIL PUMP CORP. Viton® Valve Guide Seals — 6.00 mm stem, 8-pack

High-temperature resistant Viton® construction
Spring-loaded wiper clears excess oil with minimal friction
Made in the USA

€16.64 €20.91

Viton® Valve Guide Seals — 6.00 mm, 8-pack

-€4.60

FEULING OIL PUMP CORP. Viton® Valve Guide Seals — 6.00 mm, 8-pack

High-quality valve guide seals with a spring-loaded wiper to remove excess oil; made in the USA.

€17.84 €22.44

Beehive® Valve Spring Kit — Chrome-Silicon, Endurance Beehive, Kit

-€87.93

FEULING OIL PUMP CORP. Beehive® Valve Spring Kit — Chrome-Silicon, Endurance Beehive,...

Direct-replacement Beehive® valve spring kit for high-performance cams up to 0.585" lift; includes retainers, seats, seals and locks. Dyno proven.

€341.97 €429.90

Beehive® Valve Spring Kit — Chrome-Silicon, Titanium, Endurance Beehive, Valve

-€138.55

FEULING OIL PUMP CORP. Beehive® Valve Spring Kit — Chrome-Silicon, Titanium,...

Econo BeeHive® valve spring kit for performance engines; handles cams up to 0.585" lift. Includes springs, lightweight retainers, chromoly seats, shims, locks and Viton® seals.

€538.81 €677.36

-€15.12
Out of Stock

FEULING OIL PUMP CORP. Valve Locks — 8 pack, Beehive, triple groove

Machined valve locks that secure the valve retainer to the stem to prevent valve drop; made in the United States.

€58.82 €73.94

High Load Beehive® Spring Kit — +0.540" lift, 304 lb @ 0.990" open height

-€131.07

FEULING OIL PUMP CORP. High Load Beehive® Spring Kit — +0.540" lift, 304 lb @ 0.990"...

High Load Beehive® spring kit for V-Twin performance. Direct bolt-in up to 0.565" lift. Recommended for +0.540" lift camshafts. Includes retainers, seats, shims, locks and Viton® seals.

€509.73 €640.80

-€67.11

FEULING OIL PUMP CORP. Beehive® Valve Spring Kit — Econo Beehive, 0.3125" stem diameter

Premium Beehive® valve spring kit for performance engines; supports up to 0.585" lift and includes springs, retainers, seats, seals and hardware.

€261.00 €328.11

-€7.77

FEULING OIL PUMP CORP. Valve Locks — 8-pack, Exhaust/Intake, Steel

High-quality machined valve locks that secure the valve retainer to the valve stem and prevent valve drop.

€30.23 €38.00

HP+® and Race Series® Adjustable Pushrods — 7/16" diameter, 0.095" wall, Set of 4, Chromoly steel

-€43.38

FEULING OIL PUMP CORP. HP+® and Race Series® Adjustable Pushrods — 7/16" diameter,...

Maintains maximum valve lift and increases valve-train stability for higher rpm and power. Minimal adjustment reduces flex. Race Series recommended for extreme spring pressures. Made in the U.S.A.

€168.73 €212.11

$HP+® and Race Series® Adjustable Pushrods — 3/8\" diameter, 0.145\" wall, set of 4$

-€50.37

FEULING OIL PUMP CORP. HP+® and Race Series® Adjustable Pushrods — 3/8\" diameter,...

Precision-adjustable pushrods that improve valve-train stability and support high-lift cams and strong spring pressures.

€195.85 €246.22

HP+® and Race Series® Adjustable Pushrods — 7/16" diameter, 0.095" wall, Set of 4

-€50.85

FEULING OIL PUMP CORP. HP+® and Race Series® Adjustable Pushrods — 7/16" diameter,...

Precision adjustable pushrods engineered to maintain valve lift and stability, minimize adjustment length, and withstand high spring pressures. Compatible with hydraulic or solid lifters; Race Series recommended for extreme spring pressures. Made in the U.S.A. Installation requires removal of rocker covers and rocker arm supports.

€197.75 €248.60

-€35.99

FEULING OIL PUMP CORP. HP+® Fixed Length Pushrods — 3/8" diameter, 0.065" wall, set of 4

Fixed-length pushrods engineered to improve valve-train stability and power for Harley Davidson® XL engines; one-piece construction with hardened ball ends.

€139.97 €175.96

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