Engine (3)

-€91.87

S&S CYCLE Forged 3-5/8" Bore Piston Kit — +0.010" oversize

Forged pistons for superior strength; includes pistons, rings, wristpins and clips.

€357.27 €449.14

-€97.10

S&S CYCLE Forged 3-5/8" Bore Piston Kit — 3.645", +0.020"

Forged pistons for superior strength and long engine life; kit includes pistons, rings, wristpins, and clips.

€377.58 €474.68

Cylinder Base Gasket — 4.125" bore, 0.51 mm (0.020"), Viton coated steel

-€5.78

COMETIC Cylinder Base Gasket — 4.125" bore, 0.51 mm (0.020"), Viton...

High-quality cylinder base gasket offering reliable sealing and long-term durability. Made in the USA.

€19.60 €25.38

-€99.53

S&S CYCLE Forged 3-5/8" Bore Piston Kit — Bore 3.655", Oversize +0.030"

Forged piston kit with modern alloys; includes pistons, rings, wristpins, and clips.

€387.03 €486.56

High-Performance Forged Piston Kit — 1700 cc, 3.885" bore, 4.375" stroke, 9.0:1 compression

-€115.92

WISECO High-Performance Forged Piston Kit — 1700 cc, 3.885" bore,...

Forged piston kit with ArmorGlide™ coated skirts, rings, retainer clips, and chrome piston pins. ArmorPlating on Twin Cam pistons improves ring seal and detonation resistance. Made in the USA.

€327.99 €443.91

-€7.38
Out of Stock

COMETIC Cylinder Base Gasket — Bore 3.500", Thickness 0.51 mm (0.020")

High-quality cylinder base gasket made from fuel-resistant materials with a Viton® coating and stainless steel core. Made in the USA.

€20.90 €28.28

$High-Performance Forged Piston Kit — Bore 3.885\", Stroke 4.375\", Compression 10.5:1$

-€115.92

WISECO High-Performance Forged Piston Kit — Bore 3.885\", Stroke...

Forged piston kit with ArmorGlide™ skirts, rings, retainer clips, and chrome piston pins; Twin Cam ArmorPlating for added protection. Made in USA.

€327.99 €443.91

-€148.67

S&S CYCLE Piston Kit for Hot Set Up Kit® — Bore 4.125", 111/117/124 cu in

Complete piston kit with rings, wristpins, and clips. Made in the USA. Fits up to 4-5/8" stroke; deck height 1.050".

€585.33 €734.00

Piston Kit for Hot Set Up Kit® — Bore 4.125", Oversize +0.010", Deck height 1.050", Fits up to 4-5/8" stroke

-€143.22

S&S CYCLE Piston Kit for Hot Set Up Kit® — Bore 4.125", Oversize...

Complete set with forged pistons, rings, wristpins, and clips; made in the USA. Deck height 1.050", fits up to 4-5/8" stroke.

€556.97 €700.19

Piston Kit for Hot Set Up Kit® — 4.125" bore, +0.020" oversize, deck 1.050", fits 4-5/8" stroke

-€143.22

S&S CYCLE Piston Kit for Hot Set Up Kit® — 4.125" bore, +0.020"...

Complete piston kit with forged pistons, rings, wristpins, and clips. Made in the USA. Deck height 1.050"; fits up to 4-5/8" stroke.

€556.97 €700.19

-€124.61

S&S CYCLE High Compression Piston Kit — 4.010" bore, 110 cu in, 10.6:1

Performance upgrade with precise deck height and wristpin fit; not compatible with twin cooled or '17 touring models.

€484.59 €609.20

-€121.37

S&S CYCLE Big Bore Forged Piston Kit — Bore 3.937", Stroke 4", 98 cu in

Forged pistons designed for big bore engine upgrades; compatible with stock rods and suitable for cylinder boring.

€472.00 €593.37

Big Bore Forged Piston Kit — Bore 3.937", Stroke 4-3/8", Compression 10.4:1, Displacement 107"

-€121.37

S&S CYCLE Big Bore Forged Piston Kit — Bore 3.937", Stroke 4-3/8",...

Durable forged pistons for big bore builds. Compatible with stock rods with tapered wristpin ends. Cylinders may be bored to fit; machine to nominal diameter for correct clearance.

€472.00 €593.37

Cylinder Head Gasket — Bore 4.017" , Thickness 0.76 mm (0.030"), MLS

-€23.07

COMETIC Cylinder Head Gasket — Bore 4.017" , Thickness 0.76 mm...

High-quality cylinder head gasket built for long-term reliability. Fuel-resistant materials and reinforced layered construction provide a durable seal. Made in the USA.

€65.25 €88.32

Extreme Sealing Technology Motor Gasket Kit — For '99-'06 Twin Cam, 3.875", 1.02 mm (0.040")

-€30.41
Out of Stock

COMETIC Extreme Sealing Technology Motor Gasket Kit — For '99-'06 Twin...

Premium gasket set featuring MLS head gaskets, Viton® coatings and AFM exhaust seals. Made in the USA.

€103.28 €133.69

Piston Kit for S&S Motors — 3.875" bore, +0.005" oversize, 103 cu in

-€111.18

S&S CYCLE Piston Kit for S&S Motors — 3.875" bore, +0.005" oversize, 103...

Complete piston kit with pistons, rings, wrist pins and clips for S&S Motors. Made in the U.S.A.

€432.34 €543.52

$Piston Kit for S&S Motors — Bore 3.500\", Oversize +0.020\", Displacement 80\"$

-€34.97

S&S CYCLE Piston Kit for S&S Motors — Bore 3.500\", Oversize +0.020\",...

Complete piston kit with rings, wrist pins and clips for full motor replacement.

Made in the U.S.A.

€135.99 €170.96

-€2.41

S&S CYCLE Wrist Pin Circlips — 0.927 in, 4-pack

Precision circlips for 0.927 in wristpins. Made in the U.S.A.

€9.39 €11.80

-€91.64

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

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

-€128.49

JE PISTONS Piston Kit — 3.937" bore, 10.5:1 compression, 1595 cc

High-strength forged-aluminum piston kit with smooth dome/dish radii; includes pins, pin locks, and rings. Made in the USA.

€363.56 €492.05

V-Twin Top End Gasket Kits — 3.1875" bore, 1200–1450 cc, for '66–'84 Shovelhead

-€29.17

COMETIC V-Twin Top End Gasket Kits — 3.1875" bore, 1200–1450 cc, for...

EST gasket kit with embossed stainless steel head, base, and rocker gaskets covered in proprietary rubber. Includes all gaskets, seals, and O-rings to rebuild the top end. Made in the USA.

€82.53 €111.70

Replacement Piston — 3.755" bore, +0.005" oversize, 4-3/8" stroke, kit

-€25.84
Out of Stock

DRAG SPECIALTIES Replacement Piston — 3.755" bore, +0.005" oversize, 4-3/8"...

OEM-quality replacement piston kit with two pistons, wrist pins and clips; accepts OEM or Hastings rings (sold separately).

€73.06 €98.90

Replacement Piston — 3.875" bore, +0.010" oversize, 4-3/8" stroke, kit

-€28.20
Out of Stock

DRAG SPECIALTIES Replacement Piston — 3.875" bore, +0.010" oversize, 4-3/8"...

OEM-quality cast aluminum replacement pistons; kits include two pistons, wrist pins and clips.

€79.68 €107.88

-€30.11
Out of Stock

DRAG SPECIALTIES Piston — 3.750" bore, 9.0:1 compression, kit

OEM-quality replacement pistons for Twin Cam motors; includes two pistons, wrist pins and clips; accepts OEM or Hastings rings.

€85.13 €115.24

$Piston — Bore 3.750\", Oversize +0.005\", 9.0:1$

-€30.11

DRAG SPECIALTIES Piston — Bore 3.750\", Oversize +0.005\", 9.0:1

OEM-quality cast aluminum alloy piston kit for Twin Cam motors. Includes two pistons, wrist pins and clips. Accepts OEM or Hastings rings.

€85.13 €115.24

-€30.11

DRAG SPECIALTIES Piston — 3.750" bore, +0.010" oversize, 9.0:1 compression

OEM-quality cast aluminum piston kit for Twin Cam motors; includes two pistons, wrist pins and clips.

€85.13 €115.24

-€33.18

DRAG SPECIALTIES Big Bore Piston — 3.875" bore, +0.010" oversize

Big Bore piston for Twin Cam engines, ideal for performance rebuilds and restorations.

€93.74 €126.92

Big Bore Piston — 3.875" bore, +0.020" oversize, 10.25:1 compression

-€33.18
Out of Stock

DRAG SPECIALTIES Big Bore Piston — 3.875" bore, +0.020" oversize, 10.25:1...

Big Bore Piston designed for Twin Cam engines; precision replacement for performance upgrades and reliable operation.

€93.74 €126.92

$Piston Kit — Bore 3.937\", 107 cu in, 10.0:1$

-€34.31

DRAG SPECIALTIES Piston Kit — Bore 3.937\", 107 cu in, 10.0:1

Coated aluminum alloy pistons sold as a kit with wrist pins and clips; accepts OEM or Hastings rings (sold separately).

€96.97 €131.28

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