Engine (3)

Cylinder Head/Base Gasket Kit — bore 3.937", thickness 0.36 mm, 0.76 mm, 2-pack

-€11.59

COMETIC Cylinder Head/Base Gasket Kit — bore 3.937", thickness 0.36...

Multi-layer steel (MLS) gaskets with two Viton®-coated embossed spring-steel outer layers and an inner steel layer for added support. Made in the USA.

€45.02 €56.61

-€12.75
Out of Stock

COMETIC Cylinder Head Gasket — MLS, 4.000", 1.02 mm

High-performance cylinder head gaskets featuring MLS and SLS constructions for even torque distribution, reduced bore distortion, and long-term sealing. Made in the USA.

€36.13 €48.88

-€69.22

GARDNER-WESTCOTT Big Twin Motor Sets — Chrome, Silver

Complete motor set for Big Twin engines, including essential mounts and covers.

€269.20 €338.42

-€14.41

GARDNER-WESTCOTT Motor Case Set — Chrome, Kit

Precision housings that protect the drive assembly and simplify installation.

€56.01 €70.42

-€10.61

COMETIC Cylinder Head Gasket — 4.25", 0.76 mm, MLS (multi-layer steel)

High-performance head gasket engineered for even torque distribution, reduced bore distortion, and long-term sealing reliability. Outer layers are coated to resist harsh sealing environments.

€36.07 €46.68

-€16.85

GARDNER-WESTCOTT Primary and Derby Cover Bolt Kit — Chrome

Complete set of replacement fasteners for cover mounting points.

€65.55 €82.40

-€2.50

COMETIC Transmission to Engine Case Gasket — Engine, Transmission

Reliable gasket sealing the transmission to the engine case. Fuel-resistant material for long-term performance. Made in the USA.

€7.03 €9.53

-€16.53

COMETIC Exhaust Port Gasket — 6.09 mm, 10 pack

Durable exhaust port gasket that delivers leak-free sealing across operating conditions. Ideal for 4-stroke applications and high-temperature environments. Made in the USA.

€46.75 €63.28

-€39.18

COMETIC Primary Gasket Pack — 0.81 mm (0.032 in), Primary, Outer, 5 Pack

High-quality, fuel-resistant primary gaskets in multiple types for reliable sealing.

€110.85 €150.03

-€1.90

COMETIC Replacement Seals — Output Gear, Transmission, COMETIC, C9200F1

High-quality replacement seals for reliable, leak-resistant performance. Made in the USA.

€5.36 €7.26

Complete Engine/Primary Gasket Kit — Bore 3.937 in, Thickness 1.02 mm

-€49.27
Out of Stock

COMETIC Complete Engine/Primary Gasket Kit — Bore 3.937 in, Thickness...

Complete kit with engine, primary, derby and inspection cover gaskets; MLS head gaskets, Viton seals and AFM exhaust gaskets; made in the USA.

€191.38 €240.65

$Transmission Gasket Kit — Oil Pan, 0.81 mm (0.032\")$

-€3.86

COMETIC Transmission Gasket Kit — Oil Pan, 0.81 mm (0.032\")

High-quality gasket kit that includes gaskets, seals and O-rings for transmission service. Made in the USA.

€13.09 €16.95

-€6.31
Out of Stock

COMETIC Gasket, Seal & Gasket Kit — Derby cover, 5 pack, C9152F5

High-quality gasket and seal kit for performance and OEM applications. Includes multiple gaskets tailored for proper fit.

€21.48 €27.79

-€20.23

COMETIC Replacement Head Gaskets — Bore 3.937 in, 0.036 in thickness, MLX

Multi-layer head gaskets for boosted and high-compression Milwaukee 8 applications. No special machining required; installs like a standard MLS gasket.

€57.20 €77.43

-€20.23

COMETIC Replacement Head Gaskets — 4.250", 0.91 mm

Multi-layer replacement head gaskets for performance Milwaukee 8 engines. No special machining required; sold in matching sets; made in USA.

€57.20 €77.43

-€17.34

COMETIC Replacement Head Gaskets — 4.320" bore, 0.032" thickness

MLX replacement head gaskets engineered for high-performance Milwaukee 8 use; sold in pairs and installed like a standard MLS gasket.

€49.05 €66.39

Replacement Head Gaskets — 4.320" bore, 0.91 mm (0.036") thickness, MLX, pair

-€17.34

COMETIC Replacement Head Gaskets — 4.320" bore, 0.91 mm (0.036")...

Durable multilayer head gaskets for high-performance Milwaukee 8 engines; easy installation with no special machining; made in USA.

€49.05 €66.39

Replacement Head Gaskets — 4.320" bore, 1.02 mm (0.040") thickness

-€17.34
Out of Stock

COMETIC Replacement Head Gaskets — 4.320" bore, 1.02 mm (0.040")...

Multi-layer head gaskets with a fold-over stopper layer for improved combustion sealing. Sold in pairs and made in the USA.

€49.05 €66.39

$Replacement Head Gaskets — Bore 4.43\", Thickness 0.91 mm$

-€20.23

COMETIC Replacement Head Gaskets — Bore 4.43\", Thickness 0.91 mm

Multi-layer MLX head gaskets with high-temperature coatings and embossments for reliable combustion and fluid sealing; designed for performance-modified Milwaukee 8 engines.

€57.20 €77.43

-€20.23

COMETIC Replacement Head Gaskets — 4.500", 0.91 mm (0.036"), MLX

Multi-layer replacement head gaskets engineered for high-pressure, high-temperature applications; install like a standard MLS gasket.

€57.20 €77.43

-€5.03
Out of Stock

COMETIC Exhaust Header Gasket — 2-pack, stainless steel

Durable, fuel-resistant construction for long-term reliability. Resists creep, cracking, and brittleness. Made in the USA.

€14.19 €19.22

-€20.56

COMETIC Replacement MLX Head Gasket — 4.125" bore, 0.81 mm

Premium fuel-resistant MLX head gasket for high-power Twin Cam applications. Multi-layer design with folded center layer for targeted combustion sealing. Sold in pairs. Made in USA.

€58.16 €78.72

-€20.56

COMETIC Replacement MLX Head Gasket — 4.125", 0.91 mm, Pair

Premium fuel-resistant MLS gasket with a folded center layer that simulates an O-ringed head for targeted torque at the combustion seal. Ideal for Twin Cam engines with turbo, high compression or nitrous; sold in pairs.

€58.16 €78.72

-€15.03
Out of Stock

COMETIC Rocker Box Rebuild Gasket Kit — COMETIC, C10359, EST

Complete rebuild gasket kit with all gaskets and O-rings for both rocker box covers. Premium materials and made in the USA.

€42.42 €57.45

-€48.63

GARDNER-WESTCOTT Big Twin Motor Sets — Motor set, Chrome, Kit, P-88-99

Complete replacement motor sets for Big Twin engines, including side covers, timing plug, and front and rear mounts.

€189.10 €237.73

-€47.39

GARDNER-WESTCOTT Big Twin Motor Sets — Chrome, Silver

Complete motor set includes side covers, lifter base timing plug, inner primary mount, tip, and front and rear motor mounts.

€184.33 €231.72

-€23.27

GARDNER-WESTCOTT Side Cover Bolt Kit — Chrome

Complete bolt kit for side cover applications; includes cam, primary, oil hose cover and transmission side cover.

€90.49 €113.76

Side Cover Bolt Kit — Chrome, socket-head

-€23.21

GARDNER-WESTCOTT Side Cover Bolt Kit — Chrome, socket-head

Includes cam, primary, oil hose cover and transmission side cover; made in the U.S.A.

€90.26 €113.47

-€7.45

GARDNER-WESTCOTT Cam Cover Bolt Kit — Chrome, Polished

Replacement bolt kit for cam cover—precise fit and easy installation.

€28.97 €36.42

Belt Sprocket Bolt Kit — Belt Sprocket to Hub Mount, Chrome

-€5.75

GARDNER-WESTCOTT Belt Sprocket Bolt Kit — Belt Sprocket to Hub Mount, Chrome

Complete set of durable fasteners for secure mounting of power-transmission components. Made in the U.S.A.; corrosion-resistant and precision-made.

€22.34 €28.09

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