Engine

$Universal Adapter Fitting — 1/8\" NPT male, -6 AN male, Anodized Black$

-€8.03

RUSSELL Universal Adapter Fitting — 1/8\" NPT male, -6 AN male,...

Compact universal fitting for joining flare and threaded connections. Easy install and durable performance.

€0.26 €8.29

-€8.40

RUSSELL Universal Hose End — -8 AN female, 45° fitting, Anodized Black

Lightweight hose end engineered for universal hose systems, giving a secure, leak-resistant connection. Sold individually.

€14.01 €22.41

-€9.19

RUSSELL Universal Hose End — -8 AN female, 90° elbow, Anodized Black

Compact, lightweight hose end engineered for universal hose assemblies. Precision-machined interface provides a secure, leak-resistant connection. Ideal for tight spaces.

€7.95 €17.14

Tornado Turbo Performance Kit — 107", 114", 117" M-Eight, Black

-€1,595.33

TRASK Tornado Turbo Performance Kit — 107", 114", 117" M-Eight, Black

Bolt-on kit adds 40–50% more power to stock 107", 114", 117" M-Eight motors. Includes larger injectors, spark plugs, boost gauge with mount, oil lines, custom cam cover and Thundermax tune files. Requires Thundermax ECM (sold separately). Does not fit Twin Cooled models or models with non-removable fairing lowers. For offroad use only.

€6,204.07 €7,799.40

Tornado Turbo Performance Kit — Polished

-€1,595.33

TRASK Tornado Turbo Performance Kit — Polished

Bolt-on power: +40–50% on stock 107", 114" and 117" M‑Eight motors.
Compressor and turbine housing with Garrett internals; plenum with integrated blow-off valve.
Includes injectors, spark plugs, boost gauge with mount, oil feed/drain lines, custom cam cover, tune files, hardware and gaskets.
Requires Thundermax ECM (sold separately). Does not fit Twin Cooled or non-removable fairing lowers. Offroad use only.
Made in the USA.

€6,204.07 €7,799.40

-€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

-€105.85

TRASK Assault Series Cam Cover — Chrome

Transparent cam cover that matches Assault series air cleaners and allows internal inspection. Made in the USA.

€411.66 €517.51

-€103.28

TRASK Assault Series Cam Cover — Black gloss

Transparent cam cover that matches Assault series air cleaners. Made in the USA.

€401.61 €504.89

-€103.28

TRASK Assault Series Cam Cover — Chrome

Transparent cover for viewing internal engine components. Matches the Assault series air cleaners. Made in the USA.

€401.61 €504.89

-€103.28

TRASK Assault Series Cam Cover — Black Gloss

Transparent cam cover that matches Assault series air cleaners. Made in the USA.

€401.61 €504.89

Assault Series Cam Cover — TM-018R, Raw, Machined

-€183.59

TRASK Assault Series Cam Cover — TM-018R, Raw, Machined

Transparent cover for viewing internal engine components; matches Assault series air cleaners. Made in the USA.

€321.30 €504.89

-€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

-€60.02

TRASK Mystfree Kit — Crankcase breather valve, Aluminum

Improves oil drainage to the rocker; reduces oil misting from engine breathers; machined T-6061 billet construction; made in the U.S.A.

€233.41 €293.43

-€4.94

CUSTOM DYNAMICS Extended Seat Bolt — 50.8 mm (2"), Silver

Makes for quick installation and removal of the seat. Bolt has a 1/4"-20 thread pitch.

€19.19 €24.13

-€13.66

LA CHOPPERS Air Cleaner Adapter — Mikuni fit, HSR 42/45, Silver

Adapter that allows mounting aftermarket big-air air cleaner kits to compatible carburetors. Precision billet construction. Not for use with Arlen Ness Big Sucker.

€53.14 €66.80

-€13.66

LA CHOPPERS Air Cleaner Adapter — For S&S carburetors, silver

Allows installation of LA Choppers xXx or Baron Big Air Kit to Mikuni or S&S carburetors. Billet aluminum construction. Made in the USA. Not compatible with Arlen Ness Big Sucker air cleaners.

€53.14 €66.80

Mikuni Air Cleaner Adapter — fits HSR 42/45, S&S E/G and Keihin CV, Silver

-€25.15

TRASK Mikuni Air Cleaner Adapter — fits HSR 42/45, S&S E/G and...

Mounts S&S E/G or Keihin CV style air cleaners to Mikuni HSR 42/45 carburetors. Made in the USA.

€58.68 €83.83

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