Engine

-€11.51

KLOCK WERKS Oil Cooler Guard — Black

Enhances the center of the oil cooler trim with a stylish guard. Easy to install and built in the USA.

€44.80 €56.31

-€11.51

KLOCK WERKS Oil Cooler Guard — Chrome

Dresses up the oil cooler area with matching vent‑screen material; easy to install. Made in the USA.

€44.80 €56.31

-€11.51

KLOCK WERKS Oil Cooler Guard — Chrome

Finishes the oil cooler area, adds visual pop, easy to install, made in the USA.

€44.80 €56.31

-€6.92

HASTINGS Replacement Piston Rings — 3.750 in, Moly coated, Set

Includes top and second compression rings plus three-piece oil control rings; supplies enough rings for two pistons for reliable sealing and oil control.

€26.90 €33.82

Replacement Piston Rings — 3.750 in bore, +0.010 in oversize, moly coated

-€5.67

HASTINGS Replacement Piston Rings — 3.750 in bore, +0.010 in oversize,...

Complete replacement ring set with top and second compression rings plus three-piece oil control rings. Restores compression, controls oil, and improves oil economy. Includes enough rings for two pistons. Made in the USA.

€22.06 €27.73

-€8.32

HASTINGS Replacement Piston Rings — +0.020 in, Moly coated

Includes top and second compression rings plus three-piece oil control rings; enough for two pistons.

€32.36 €40.68

-€8.71

HASTINGS Replacement Piston Rings — HASTINGS, Set

Complete set of top, second, and three-piece oil control rings for two pistons. Barrel face top rings and Napier second rings provide improved sealing and heat transfer; three-piece Flex Vent oil rings ensure positive oil control. Made in the USA.

€15.25 €23.96

-€4.96

HASTINGS Replacement Piston Rings — 3.498" bore, +0.040" oversize

Complete set of top, second, and oil control rings for two pistons. Barrel face top rings, reverse torsional second rings, and three-piece oil control rails. Made in USA.

€19.26 €24.22

-€4.45

HASTINGS Replacement Piston Rings — Bore 3.000"

Includes top and second compression rings plus three-piece oil control rings. Promotes side sealing for improved oil economy. Includes enough rings for two pistons; two rings per groove except rails. Made in the USA.

€17.28 €21.73

Replacement Piston Rings — 3.937" bore, 107" displacement, Standard piston size

-€8.18

HASTINGS Replacement Piston Rings — 3.937" bore, 107" displacement,...

Complete PVD-coated piston ring set includes barrel-face top rings, Napier second rings, and three-piece Flex Vent oil control rings for two pistons. Made in the USA.

€31.78 €39.96

Replacement Piston Rings — Piston size +0.005", Bore 3.937", 107 cu in

-€14.17

HASTINGS Replacement Piston Rings — Piston size +0.005", Bore 3.937",...

Complete replacement piston ring set with PVD coating: barrel face top rings, Napier second rings, and three‑piece flex vent oil control rings. Includes enough rings for two pistons.

€55.10 €69.27

Replacement Piston Rings — Bore 3.937", Displacement 107", Piston Size +0.010"

-€13.81

HASTINGS Replacement Piston Rings — Bore 3.937", Displacement 107",...

Complete ring set for two pistons with PVD-coated barrel-face top rings, Napier second rings, and three-piece Flex Vent oil control rings.

€53.73 €67.54

Replacement Piston Rings — 4.000" bore, 114" displacement, Standard piston size

-€10.61

HASTINGS Replacement Piston Rings — 4.000" bore, 114" displacement,...

Complete replacement set including barrel‑face top rings, Napier second rings, and three‑piece flex vent oil control rings. Enough rings for two pistons.

€41.24 €51.85

-€12.73

HASTINGS Replacement Piston Rings — +0.005", 4.000" bore, 114 cu in

Complete set of top, second, and three-piece oil control rings; includes rings for two pistons.

€49.51 €62.24

-€14.66

HASTINGS Replacement Piston Rings — +0.010" piston, 4.000" bore, 114 cu in

Complete set for two pistons: top barrel-face compression rings, Napier second rings, and three-piece Flex Vent oil rings. PVD-coated faces for improved wear and heat transfer.

€57.01 €71.67

Crankcase Vent Filters — 0.500" diameter, Black, Chrome, Red

-€9.34

K & N Crankcase Vent Filters — 0.500" diameter, Black, Chrome, Red

Steel-base, one-piece crankcase vent filters. 50.8 mm (2") diameter; 38.1 mm (1½") height. Available with or without mounting stud.

€22.88 €32.22

Fork Stem Nut Cap — Fork tube, silver, chrome

-€3.73

COLONY Fork Stem Nut Cap — Fork tube, silver, chrome

Polished nut cap that conceals and protects the stem nut. Made in the U.S.A.

€10.55 €14.28

-€2.50

COLONY Fuel Tank Mounting Grommet Kit — Fuel Tank, Black

Includes 6 rubber grommets and 2 metal sleeves. One kit required per set. Made in the United States.

€9.69 €12.19

-€8.59

COLONY Gas Tank Mounting Hardware Kit — Fuel tank, Chrome

Durable mounting hardware for secure tank attachment. Custom plated components and precision fit, made in the U.S.A.

€33.40 €41.99

-€4.55

COLONY Inner Primary Mounting Kit — Hex style, Silver (raw)

Complete mounting kit with all required hardware for inner primary installation. Made in the USA.

€17.69 €22.24

-€2.69

COLONY Oil Pump Plug — Chrome finish

Plug and plug kits for various Harley‑Davidson oil systems; includes washers or O‑rings as required. Made in the U.S.A.

€7.59 €10.28

Rear Axle Adjuster Bolts — Chrome, rear fitment, OEM compatible

-€3.95

COLONY Rear Axle Adjuster Bolts — Chrome, rear fitment, OEM compatible

Heat-treated, plated adjuster bolts with included chrome lock nuts. Made in the USA.

€15.39 €19.34

-€1.46

COLONY Fork Slider Drain Screws — Chrome finish, pair

Durable button-head Allen drain screws with copper compression washers for fork sliders.

€4.14 €5.60

-€2.53

COLONY Stem Bolt Kit — Steering, Zinc finish, Silver

Stem bolt with washer; complete hardware kit, made in the U.S.A.

€7.15 €9.68

-€2.73

COLONY Stem Cap — Stem Bolt, Silver

Replacement stem cap for Stem Bolt Kit (Part# 2401-0117). Made in the U.S.A.

€7.73 €10.46

Rotor, Sprocket and Belt Mounting Hardware Kit — 44.4 mm (1-3/4"), Chrome

-€6.22

COLONY Rotor, Sprocket and Belt Mounting Hardware Kit — 44.4 mm...

Complete mounting kit for rotor, sprocket and belt pulley. Fits most H-D brakes and chain or belt drives; includes all necessary hardware. Made in the U.S.A.

€24.18 €30.40

Rotor, Sprocket and Belt Mounting Hardware Kit — 57.2 mm (2-1/4"), Chrome

-€6.50

COLONY Rotor, Sprocket and Belt Mounting Hardware Kit — 57.2 mm...

Complete mounting kit for rotors, sprockets and belt drives; includes all required hardware for installation.

€25.26 €31.76

S&S Air Cleaner Cover Mounting Screw Kit — Chrome, button & countersunk heads, SAE, fits air cleaner cover

-€1.57

COLONY S&S Air Cleaner Cover Mounting Screw Kit — Chrome, button &...

Three screws to mount S&S air cleaner covers. Made in the U.S.A.

€4.43 €6.00

-€3.63

COLONY Exhaust Port Kit — Exhaust port, flange nut, silver

Includes four studs and four flanged nuts; made in the United States.

€14.14 €17.77

Rocker Arm Stud Kit — 8 studs, one cylinder head, Black Parkerized

-€7.53

COLONY Rocker Arm Stud Kit — 8 studs, one cylinder head, Black...

Eight parkerized studs for one cylinder head; made in the USA.

€23.78 €31.31

shop by category

Engine

Engine

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Contact us

Products

Our company

shop by category

Engine  

Engine

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Engine