Engine

Piston Kit — 3.508" bore, +0.010" oversize, 9.5:1 compression, 4-stroke

-€106.40

JE PISTONS Piston Kit — 3.508" bore, +0.010" oversize, 9.5:1 compression,...

High-strength forged piston kit with premium wrist pins, carbon steel wire lock and JE Pro Seal rings.

€301.05 €407.45

-€106.40

JE PISTONS Piston Kit — 3.518", +0.020", 10.0:1

High-strength piston kit for high-horsepower V-Twin engines. Includes premium wrist pins, wire locks and pro-seal piston rings.

€301.05 €407.45

-€95.72

JE PISTONS Piston Kit — +0.020" piston, 10.25:1 compression, 4-Stroke

High-strength forged piston kit for V-Twin engines. Includes premium wrist pins, carbon steel wire lock, and pro-seal piston rings.

€270.82 €366.54

-€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

-€101.06

JE PISTONS Piston Kit — Bore 3.755", +0.005", 9.3:1, 4-Stroke

High-strength forged piston kit for high-horsepower V-Twin engines. Includes premium wrist pins, carbon steel wire lock and JE Pro Seal rings.

€285.92 €386.98

-€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

Piston Kit — 3.755" bore, +0.005" pistons, 10.25:1 compression, 4-Stroke

-€184.45

JE PISTONS Piston Kit — 3.755" bore, +0.005" pistons, 10.25:1...

Complete piston kit with premium wrist pins, carbon steel wire lock and JE Pro Seal rings; forged design for high-performance V‑Twin engines.

€202.53 €386.98

-€81.37

JE PISTONS Piston Kit — 100 cu in, 9.5:1

High-strength piston kit with premium wrist pins and JE Pro Seal rings.

€199.04 €280.41

-€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

-€108.99

JE PISTONS Piston Kit — +0.020", 9.5:1 compression

Forged piston kit for V-Twin engines; includes wrist pins, carbon steel wire lock, and Pro Seal rings.

€115.34 €224.33

-€106.40

JE PISTONS Piston Kit — 3.937" bore, 10.25:1 compression, 4-stroke

High-strength piston kit with premium wrist pins, carbon steel wire lock and JE Pro Seal rings.

€301.05 €407.45

-€93.88

JE PISTONS Piston Kit — 3.875" bore, 10.0:1 compression, Standard

High-strength forged piston kit with premium wrist pins, carbon steel wire locks, and sealed rings for durable performance.

€265.63 €359.51

-€93.88

JE PISTONS Piston Kit — +0.010", 10.0:1, 4-Stroke

High-strength forged piston kit for V-Twin engines; includes premium wrist pins, carbon steel wire lock, and JE Pro Seal rings.

€265.63 €359.51

-€93.88

JE PISTONS Piston Kit — Bore 4.005 in, Compression 10.5:1, Size +0.005 in

Complete piston kit with premium wrist pins, wire locks and JE Pro Seal rings. Precision-manufactured for consistent performance in high-horsepower V-Twin applications.

€265.63 €359.51

Mega 8 Camshaft — 232° exhaust / 230° intake, 0.472" lift, Model TQ230V3

-€124.12

COMP CAMS Mega 8 Camshaft — 232° exhaust / 230° intake, 0.472" lift,...

Performance camshaft delivering broad torque or top-end power, billet-steel construction, made in the USA.

€255.84 €379.96

-€99.30

COMP CAMS Mega 8 Camshaft — Model 234A, 240°/234° duration, 0.472" lift

High-performance camshaft with Endurance Ramps for broader torque, reduced valve train noise, and increased stability; constructed from billet steel and made in the USA.

€280.66 €379.96

-€110.72

COMP CAMS Mega 8 Camshaft — Bolt-In, Model 238A

High-performance camshaft with Endurance Ramps for broad torque, reduced valve train noise, and billet steel construction.

€228.16 €338.88

-€124.12

COMP CAMS Mega 8 Camshaft — Model 248C, High-Lift

High-performance camshaft series featuring Endurance Ramps, reduced valve-train noise, billet-steel construction, and USA manufacturing.

€255.84 €379.96

-€132.18

COMP CAMS Mega 8 Camshaft — 246A, Bolt-In

Performance camshaft series using Comp Cams technology and Endurance Ramps; billet steel construction, reduced valve train noise, made in the USA.

€282.48 €414.66

Mega 8 Camshaft — High-lift, Intake 240°, Exhaust 250°, Model 240C

-€124.12

COMP CAMS Mega 8 Camshaft — High-lift, Intake 240°, Exhaust 250°, Model...

Performance cam series with Endurance Ramps, reduced valve train noise, billet steel construction, made in USA.

€265.34 €389.46

V-Thunder™ Performance Forged Tappet — Black Oxide

-€19.10

COMP CAMS V-Thunder™ Performance Forged Tappet — Black Oxide

Forged performance replacement for stock hydraulic roller lifters. 100% tested and made in the U.S.A.

€54.03 €73.13

V-Thunder™ Race Forged Tappet — Black oxide

-€20.01

COMP CAMS V-Thunder™ Race Forged Tappet — Black oxide

Race/slow bleed upgrade design for high-performance use; each unit 100% tested; durable oxide finish; made in the U.S.A.

€56.63 €76.64

-€99.87

COMP CAMS V-Thunder™ Race Forged Tappet — Set of 4, Black Oxide

Race/slow bleed upgrade design for high-performance use. Each unit is 100% tested for proper function. Made in the United States.

€282.59 €382.46

Tubeless Valve Stem — Fits 11.9 mm (0.47") or 15 mm (0.59"), 29.3 mm (1-3/16"), Chrome

-€3.11

PARTS UNLIMITED Tubeless Valve Stem — Fits 11.9 mm (0.47") or 15 mm (0.59"),...

Precision-machined tubeless valve with self-sealing hex cap; anchor nut, thrust washer and rubber seal included. May require drill enlargement for Lester™ mags.

€6.66 €9.77

-€8.24

COMP CAMS V-Thunder™ Tappet Assembly — COMP CAMS Hy-Rev, Hydraulic, 7410-1

Oil-metering hydraulic roller lifter with hardened high-carbon/chromium rollers, carbo-nitrided pushrod seat, and 100% testing; HY-REV™ and PRO-MAGNUM™ variants.

€23.31 €31.55

$Angled Valve Stem — 29.3 mm (1-3/16\"), fits 10.9 mm (0.43\") hole, Chrome$

-€3.38

PARTS UNLIMITED Angled Valve Stem — 29.3 mm (1-3/16\"), fits 10.9 mm (0.43\")...

Great for ATVs and other tight applications.

€7.25 €10.63

-€3.45

PARTS UNLIMITED Metal Valve Stem — Straight, 8.3–8.6 mm (0.327"–0.339"), Chrome

Tubeless valve stem with full-length threading and lock nut for secure fit and reliable air retention.

€7.40 €10.85

-€11.51
Out of Stock

KLOCK WERKS Oil Cooler Guard — Black

Precision-cut oil cooler guard that adds visual pop to the center of the oil cooler trim. Easy to install and made in the USA.

€44.75 €56.26

-€91.64
Out of Stock

JE PISTONS Piston Kit — 3.875 in bore, 1545 cc, 10.5:1

Machined from 2618-T6 forged aluminum for professional competition; pins, pin locks and rings included. Made in the U.S.A.

€259.30 €350.94

-€91.64
Out of Stock

JE PISTONS Piston Kit — 3.937", 9.5:1, 1595 cc

High-strength 2618-T6 forged-aluminum piston kit for competition; includes pins, locks and rings. Made in USA.

€259.31 €350.95

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