Engine (3)

Extreme Sealing Technology Motor Gasket Kit — 3.500 in bore, for '84–'91 Big Twin

-€32.49

COMETIC Extreme Sealing Technology Motor Gasket Kit — 3.500 in bore,...

Complete motor gasket kit featuring MLS head gaskets, steel Viton®-coated base gaskets, blue Viton® valve stem seals, and AFM race-style exhaust gaskets. Made in the USA.

€110.32 €142.81

$Extreme Sealing Technology Motor Gasket Kit — 3.500\" bore, fits '92-'99 EVO Big Twin$

-€28.89

COMETIC Extreme Sealing Technology Motor Gasket Kit — 3.500\" bore,...

Complete motor gasket kit with MLS head gaskets, steel Viton®-coated base gaskets, blue valve stem seals, and AFM race-style exhaust gaskets. Made in the USA.

€81.75 €110.64

$132\" Power Package Engine Performance Kit — 132\", 4.320\" bore, 4.500\" stroke, Black Granite$

-€734.60

S&S CYCLE 132\" Power Package Engine Performance Kit — 132\", 4.320\"...

Complete 132" engine performance kit converts 114"/117" oil-cooled M8 to 132" with big-bore cylinders, performance-matched 550 cam, adjustable relief valve, and serviceable components.

€2,856.80 €3,591.40

Extreme Sealing Technology Complete Gasket Kit — For '02-'07 XB9R Firebolt, 1.02 mm (0.040")

-€41.45

COMETIC Extreme Sealing Technology Complete Gasket Kit — For '02-'07...

Complete gasket kit featuring MLS head gaskets, Viton-coated base gaskets, blue Viton valve stem seals and AFM exhaust gaskets; made in the USA.

€117.31 €158.76

129" Power Package Engine Performance Kit — Bore 4.320", Stroke 4.375", Black

-€752.97

S&S CYCLE 129" Power Package Engine Performance Kit — Bore 4.320",...

Converts a 107" oil‑cooled M8 to 129" without case machining. Big-bore cylinders, matched cam and pump, MLS head gaskets. Made in USA.

€2,928.22 €3,681.19

$132\" Power Package Engine Performance Kit — 132\", 4.320\" bore, 4.500\" stroke$

-€778.33

S&S CYCLE 132\" Power Package Engine Performance Kit — 132\", 4.320\"...

Converts 114" or 117" water-cooled M8 to 132" displacement; includes big-bore cylinders, 550 performance cam, MLS head gaskets, and cam cover badge. Retains stock engine height and serial numbers.

€3,026.84 €3,805.17

129" Power Package Engine Performance Kit — 129", bore 4.320", stroke 4.375", black

-€778.33

S&S CYCLE 129" Power Package Engine Performance Kit — 129", bore 4.320",...

Converts a 107" oil-cooled M8 to 129" with big-bore cylinders, matched cam and oil pump, MLS head gaskets; works with the stock crankcase.

€3,026.84 €3,805.17

132" Power Package Engine Performance Kit — 4.320" bore, 4.500" stroke, Black

-€778.33

S&S CYCLE 132" Power Package Engine Performance Kit — 4.320" bore,...

Complete S&S 132" Power Package kit to upgrade compatible 114" or 117" oil-cooled M8 engines; retains serial numbers, works with stock crankcase, and includes cam cover badge.

€3,026.84 €3,805.17

132" Power Package Engine Performance Kit — Bore 4.320", Stroke 4.500", Black Granite

-€778.33

S&S CYCLE 132" Power Package Engine Performance Kit — Bore 4.320",...

Complete performance kit that converts the 114" or 117" water-cooled M8 to 132", with matched big-bore cylinders, performance 550 cam, MLS head gaskets, debris protection, and retained original serial numbers. Made in the USA.

€3,026.84 €3,805.17

-€13.46

COMETIC Pushrod Tube O-Ring — 25 Pack

Reliable seal for pushrod tube applications. Fuel-resistant construction for long service life. Made in the USA.

€45.73 €59.19

-€778.33

S&S CYCLE 132" Power Package Engine Performance Kit — Bore 4.320",...

Complete kit to convert 114" or 117" oil-cooled M8 engines to 132" displacement while retaining stock height and serial numbers. Includes adjustable pressure relief valve, S&S valve springs, big-bore cylinders, MLS head gaskets and a performance-matched 550 cam.

€3,026.84 €3,805.17

-€24.22

COMETIC Primary Gasket Kit — Primary

Aluminum-core foam gaskets with a nitrile outer layer. Resistant above 205°F. ~85% shape recovery. Includes all gaskets, seals and O-rings for inner and outer primary; no sealer required. Made in the USA.

€82.25 €106.47

129" Power Package Engine Performance Kit — 129", 4.320" bore, 4.375" stroke, Black

-€778.33

S&S CYCLE 129" Power Package Engine Performance Kit — 129", 4.320" bore,...

Complete kit to convert a 107" oil-cooled M8 into a 129" performance engine; includes matched cam, cam plate, oil pump, MLS head gaskets and serviceable passage plugs.

€3,026.84 €3,805.17

Tracker Series™ Piston Kit — 3.875" bore, 4.000" stroke, 1546 cc, 9.5:1

-€68.28

WISECO Tracker Series™ Piston Kit — 3.875" bore, 4.000" stroke, 1546...

Forged pistons with ArmorGlide® skirt coating, precision-fit rings, force-fed pin oiling and pressure-seal groove; value-packed kit with pins and circlips.

€193.19 €261.47

-€24.72

COMETIC Primary Gasket Kit — Primary, C9885

Complete primary gasket kit includes all gaskets, seals and O-rings for inner and outer primary. AFM aluminum-core construction, temperature resistance over 205°F, 85% shape recovery; no gasket sealer required. Made in USA.

€69.97 €94.69

129" Power Package Engine Performance Kit — 4.320" bore, 4.375" stroke, Black

-€778.33

S&S CYCLE 129" Power Package Engine Performance Kit — 4.320" bore,...

Complete Power Package kit converts the 107" oil-cooled M8 to a big-bore setup with matched cam, oil pump, MLS gaskets and serviceable components.

€3,026.84 €3,805.17

-€68.28

WISECO Tracker Series™ Piston Kit — Bore 3.885" +0.010", Stroke 4.000"

Forged aluminum piston kit with ArmorGlide® skirt coating. Includes two pistons, rings, piston pins and circlips for reliable, quiet operation.

€193.19 €261.47

-€20.43

COMETIC Primary Gasket Kit — Primary, Kit

Complete set of primary gaskets, seals and O-rings for inner and outer primary; heat resistant and high shape recovery; no sealer required.

€57.78 €78.21

Tracker Series™ Piston Kit — Bore 3.895", Oversize +0.020", Stroke 4.000", 1562 cc, 9.5:1

-€68.28

WISECO Tracker Series™ Piston Kit — Bore 3.895", Oversize +0.020",...

Complete two-piston kit with precision-fit rings and enhanced pin oiling for dependable sealing and long life.

€193.19 €261.47

-€22.90

COMETIC Primary Gasket Kit — AFM (aluminum foam material)

Complete primary gasket kit for inner and outer primary assemblies; temperature resistant and no sealer required.

€77.75 €100.65

Tracker Series™ Piston Kit — Bore 3.875", Displacement 1691 cc, Compression 10.5:1

-€68.28

WISECO Tracker Series™ Piston Kit — Bore 3.875", Displacement 1691...

Forged, precision-fit piston kit with ArmorGlide® skirt coating and force-fed pin oiling. Value-pack includes two pistons, rings, pins, and circlips.

€193.19 €261.47

-€22.19

COMETIC Primary Gasket Kit — Primary, AFM (Aluminum Foam Material)

Complete primary gasket kit for inner and outer primary assemblies. Aluminum-core gaskets with a nitrile outer layer resist temperatures above 205°F and offer about 85% shape recovery. Made in the USA. No gasket sealer required.

€62.78 €84.97

Tracker Series™ Piston Kit — 3.885" bore, 4.375" stroke, 10.5:1 compression, 1700 cc

-€68.28

WISECO Tracker Series™ Piston Kit — 3.885" bore, 4.375" stroke,...

Forged aluminum piston kit with ArmorGlide® skirt coating; includes two pistons, rings, piston pins and circlips for a complete install.

€193.19 €261.47

-€24.82

COMETIC Primary Gasket Pack — 1.52 mm (0.060"), 5 pack

Premium gasket pack offering multiple gasket types and advanced sealing technologies for reliable, fuel-resistant performance.

€84.28 €109.10

Tracker Series™ Piston Kit — Bore 3.895", Oversize +0.020", Stroke 4.375", Compression 10.5:1

-€68.28

WISECO Tracker Series™ Piston Kit — Bore 3.895", Oversize +0.020",...

Forged aluminum piston kit with ArmorGlide® skirt coating; includes two pistons, rings, piston pins and circlips.

€193.19 €261.47

-€9.44

COMETIC Rocker Gasket — 0.51 mm (0.020"), 5 pack, lower right

Premium rocker gasket made from fuel-resistant materials with a stainless steel core and Viton coating for lasting seal performance.

€13.61 €23.05

Tracker Series™ Piston Kit — 3.498" bore, 3.812" stroke, 1200 cc, 9.5:1

-€57.15

WISECO Tracker Series™ Piston Kit — 3.498" bore, 3.812" stroke, 1200...

Durable forged pistons with ArmorGlide® skirt coating, precision-fit rings and force-fed pin oiling. Value-pack kit with pins and circlips. Made in the USA.

€161.68 €218.83

$Rocker Cover Gasket — 0.51 mm (0.020\"), Rocker Box, 10-Pack, C9576$

-€21.72

COMETIC Rocker Cover Gasket — 0.51 mm (0.020\"), Rocker Box, 10-Pack,...

High-quality rocker cover gasket for long-term reliability. Fuel-resistant Viton construction with a stainless steel core and .001" coating. Made in the USA.

€61.45 €83.17

Tracker Series™ Piston Kit — Bore 3.508", Oversize +0.010", Stroke 3.812", 1207 cc

-€105.66

WISECO Tracker Series™ Piston Kit — Bore 3.508", Oversize +0.010",...

Forged pistons with generous valve pockets, precision-fit rings, force-fed pin oiling, pressure-seal groove and a low-friction skirt coating. Kit includes two pistons, rings, piston pins and circlips. Made in USA.

€113.18 €218.84

$Rocker Cover Gasket — 0.51 mm (0.020\") Viton-coated steel, 10-pack$

-€18.22

COMETIC Rocker Cover Gasket — 0.51 mm (0.020\") Viton-coated steel,...

Durable rocker cover gasket offering long-term sealing and fuel resistance; Viton-coated design and made in the USA.

€61.90 €80.12

shop by category

Engine

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Contact us

Products

Our company

shop by category

Engine  

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Engine