Engine (57)

-€41.72

COMETIC Primary Gasket Kit — 1.52 mm (0.060"), Primary Cover

Complete kit for inner and outer primary sealing. High-temperature resistant, strong torque retention and no sealer required.

€118.06 €159.78

-€17.37

KURYAKYN Cylinder Base Timing Hole Cover — Chrome

Smooths the transition from cylinders to engine cases; easy to install.

€67.56 €84.93

-€35.82

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

High-quality gasket pack offering durable, fuel-resistant sealing in multiple constructions. Made in the U.S.A.

€121.61 €157.43

Scorpion™ Spark Plug Head Bolt Covers — head bolt, spark plug, pair

-€11.33

KURYAKYN Scorpion™ Spark Plug Head Bolt Covers — head bolt, spark plug,...

Adds a classy touch; held in place with setscrews to prevent rattling. Spark plugs removable on Twin Cam models. Sold in pairs.

€44.03 €55.36

-€35.82

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

High-quality sealing kit for long-term reliability. Fuel-resistant materials, multiple seal constructions including EST and MLS, and options that resist heat and chemical exposure. Made in the U.S.A.

€121.61 €157.43

Big Bore Cylinder Kit — 124 cu in, 4.250 in bore, 4.375 in stroke, Black

-€324.35

S&S CYCLE Big Bore Cylinder Kit — 124 cu in, 4.250 in bore, 4.375 in...

Complete Big Bore cylinder kit with pistons, rings and gaskets. Simple swap installation; professional assembly required.

€1,263.84 €1,588.19

-€36.75

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

High-quality gasket set made from fuel-resistant materials. Multiple gasket types for reliable, long-lasting seals. Made in the U.S.A.

€103.95 €140.70

-€2.02

DRAG SPECIALTIES Points Cover — Chrome

Heavy-gauge replacement points cover for ignition protection and reliable performance.

€5.70 €7.72

-€24.82

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

High-quality gasket pack for primary cover applications, engineered for long-lasting seals and fuel resistance.

€84.28 €109.10

Big Bore Cylinder Kit — 4.250" bore, 4.500" stroke, 128 cu in, Black

-€305.48

S&S CYCLE Big Bore Cylinder Kit — 4.250" bore, 4.500" stroke, 128 cu in,...

Drop-in Big Bore kit includes cylinders, pistons, rings and gaskets. Easy installation; requires a skilled technician to verify clearances and specs.

€1,190.34 €1,495.82

-€3.45

DRAG SPECIALTIES Spherical Radius Points Cover — Chrome

Radiused points cover; matches brake caliper inserts and fork tube cap covers. Includes screws and gasket.

€9.75 €13.20

-€24.82

COMETIC Primary Gasket Kit — 1.52 mm (0.060"), primary cover, 5-pack

Includes all gaskets, seals and O-rings for inner and outer primary. Resistant to temperatures above 205°F. Approximately 85% shape recovery with strong torque retention. Made in the USA. No gasket sealer required.

€84.28 €109.10

-€327.82

S&S CYCLE Big Bore Cylinder Kit — 4.250" bore, 4.500" stroke, 128 cu in

High-performance Big Bore cylinder kit with premium castings and iron liners. Includes pistons, rings and gaskets. Requires a skilled technician for assembly.

€1,277.38 €1,605.20

$Inspection Cover Gasket — 1.52 mm (0.060\"), 5-Pack$

-€8.85

COMETIC Inspection Cover Gasket — 1.52 mm (0.060\"), 5-Pack

Aluminum Foamette inspection cover gaskets that form a reliable seal without gasket sealer. Made in the USA.

€25.06 €33.91

Big Bore Cylinder Kit — 4.25" bore, 4.5" stroke, 128 cu in, Highlighted Fins

-€318.72

S&S CYCLE Big Bore Cylinder Kit — 4.25" bore, 4.5" stroke, 128 cu in,...

High-performance cylinder kit with premium aluminum cylinders and cast-in iron liners. Easy installation; kit includes pistons, rings and gaskets.

€1,241.90 €1,560.62

-€6.58

COMETIC Inspection Cover Gasket — 1.52 mm (0.060"), 5 Pack

Aluminum-core gasket with bonded nitrile outer coating; no gasket sealer required. Made in USA.

€18.65 €25.23

Big Bore Cylinder Set — 4.250" bore, Black Granite

On sale!
-€144.62

S&S CYCLE Big Bore Cylinder Set — 4.250" bore, Black Granite

Bolt-on design for straightforward installation.

Bored slightly under nominal size; not honed.

Made in the USA.

Manufacturer recommends specific head bolts for big bore applications.

€562.43 €707.05

-€8.13

COMETIC Cam Cover Gasket — 1.52 mm, 5 Pack

High-quality gaskets for long-term reliability. Available in multiple types and manufactured from fuel-resistant materials. Made in the USA.

€23.02 €31.15

-€18.71

KURYAKYN Tappet Block Covers — pair, chrome

Polished mirror-finish tappet block covers — installs in minutes, includes mounting hardware, sold as a set.

€72.76 €91.47

-€52.18

DRAG SPECIALTIES Rocker Box Kit — Chrome

Precision construction with exact dimensions; sold each (two required per motor).

€147.44 €199.62

Big Bore Cylinder Kit — 4.320" bore, 4.375" stroke, 129" displacement

-€327.94

S&S CYCLE Big Bore Cylinder Kit — 4.320" bore, 4.375" stroke, 129"...

Bolt-on cylinder kit that retains original engine serial numbers and includes MLS head gaskets, all installation hardware, and a cam cover badge.

€1,275.33 €1,603.27

-€15.01

COMETIC Cam Cover Gasket — 1.52 mm (0.060"), 5-pack

High-quality cam cover gasket available in multiple types, fuel-resistant, and made in the USA.

€42.45 €57.46

Big Bore Cylinder Kit — 129 cu in, 4.320" bore, 4.375" stroke, Wrinkle Black

-€365.42

S&S CYCLE Big Bore Cylinder Kit — 129 cu in, 4.320" bore, 4.375" stroke,...

Bolt-on cylinder kit with MLS head gaskets and complete installation hardware included.

€1,423.84 €1,789.26

-€14.20

COMETIC Cam Cover Gasket — 1.52 mm (0.060"), 5 pack, AFM

High-quality cam cover gasket for dependable sealing. Multiple types available. Made in the USA.

€48.25 €62.45

-€327.94

S&S CYCLE Big Bore Cylinder Kit — 4.320 in bore, 4.500 in stroke, 132 cu in

Bolt-on cylinder kit installs without crankcase machining; retains original engine serial numbers and stock height. Includes MLS head gaskets, cam cover badge, and all required gaskets and hardware. Made in the USA.

€1,275.33 €1,603.27

Rocker Box Kit — Rocker Box cover, Chrome, 037001-BX-LB2

-€77.44

DRAG SPECIALTIES Rocker Box Kit — Rocker Box cover, Chrome, 037001-BX-LB2

Quality construction with exact dimensions for a leakproof fit. Sold each; two required per motor.

€218.84 €296.28

-€2.67

JAMES GASKET Cam Cover Gasket — Thickness 0.91 mm

Replacement gasket for cam chests, made in the USA for dependable sealing.

€9.07 €11.74

Scorpion™ Spark Plug Head Bolt Covers — Head-bolt, pair

-€12.67

KURYAKYN Scorpion™ Spark Plug Head Bolt Covers — Head-bolt, pair

Adds a classy finishing touch; held in place with setscrews to prevent rattling. Spark plugs can be removed without removing the covers on Twin Cam models. Sold in pairs.

€49.26 €61.93

$Cam Cover Gasket — 0.91 mm (0.036\")$

-€2.67

JAMES GASKET Cam Cover Gasket — 0.91 mm (0.036\")

Replacement gasket for cam chests. Made in the USA.

€9.07 €11.74

Out of Stock

S&S CYCLE 136" Big Bore Cylinder Kit

The 136" Big Bore Cylinder Kit is a high-performance upgrade for your Harley-Davidson engine, facilitating significant displacement increases without extensive modifications.

€1,250.97

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