Engine (2)

Piston Kit for Super Stock® Heads — 80", 3.500" bore, +0.020" oversize, 4.250" stroke

-€114.09
Out of Stock

S&S CYCLE Piston Kit for Super Stock® Heads — 80", 3.500" bore, +0.020"...

Fits S&S® Super Stock® Heads only. Kit includes pistons, rings, wrist pins, and circlips. Made in the USA.

€443.67 €557.76

-€99.53
Out of Stock

S&S CYCLE Piston Kit 80" Stock Big Twin — 80", bore 3.530", stroke 4-1/4"

Forged piston kit for 80" stock Big Twin motors. Includes pistons, rings, wristpins, and clips. Wrist pin deck height 1.270". Made in the U.S.A.

€387.03 €486.56

-€99.53
Out of Stock

S&S CYCLE Forged 3-5/8" Bore Piston Kit — 3.625"

Race-grade forged pistons with modern alloys and piston skirt profiles. Kit includes pistons, rings, wristpins, and clips.

€387.03 €486.56

-€91.87
Out of Stock

S&S CYCLE Forged 3-5/8" Bore Piston Kit — Bore 3.635", Oversize +0.010"

Forged pistons with modern alloys and optimized skirt profiles for reduced noise and long engine life. Includes pistons, rings, wristpins, and clips.

€357.27 €449.14

-€97.10
Out of Stock

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

Forged pistons for superior strength. Modern alloys and low-noise skirt profiles. 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
Out of Stock

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
Out of Stock

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

Forged pistons with complete hardware kit for improved strength and long life.

€387.03 €486.56

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

-€115.92
Out of Stock

WISECO High-Performance Forged Piston Kit — 3.885 in bore, 4.375 in...

Forged pistons with ArmorGlide™ skirts, rings, retainer clips and chrome 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", 1700 cc, 10.5:1, Black Edition

-€115.92
Out of Stock

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

Forged pistons 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

Piston Kit for Hot Set Up Kit® — 4.125" bore, 111 cu in, 117 cu in, 124 cu in

-€148.67
Out of Stock

S&S CYCLE Piston Kit for Hot Set Up Kit® — 4.125" bore, 111 cu in, 117...

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

€585.33 €734.00

Piston Kit for Hot Set Up Kit® — Deck height 1.050 in, fits up to 4-5/8 in stroke, bore 4.125 in

-€143.22
Out of Stock

S&S CYCLE Piston Kit for Hot Set Up Kit® — Deck height 1.050 in, fits up...

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

€556.97 €700.19

Piston Kit for Hot Set Up Kit® — Bore 4.125", +0.020" oversize, 111/117/124 cu in

-€143.22
Out of Stock

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

Complete 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

Big Bore Forged Piston Kit — 3.937" bore, 4" stroke, 98 cu in, 10.3:1

-€121.37
Out of Stock

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

Forged big-bore piston kit compatible with stock rods; cylinders may require boring for proper fit. Precision-made for correct clearances.

€472.00 €593.37

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

-€121.37
Out of Stock

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 — 1.02 mm, stock bore, MLS (multi-layer steel)

-€12.37
Out of Stock

COMETIC Cylinder Head Gasket — 1.02 mm, stock bore, MLS (multi-layer...

High-quality cylinder head gasket offering long-term reliability and fuel-resistant construction. Made in the USA.

€35.01 €47.38

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

-€23.07
Out of Stock

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

$Piston Kit for S&S Motors — Bore 3.875\", Oversize +0.005\", 103 cu in$

-€111.18
Out of Stock

S&S CYCLE Piston Kit for S&S Motors — Bore 3.875\", Oversize +0.005\",...

Complete piston kit includes pistons, rings, wrist pins and clips for a full motor replacement. Made in the U.S.A.

€432.34 €543.52

Piston Kit for S&S Motors — Bore 3.875", Displacement 103", Oversize +0.010"

-€111.18
Out of Stock

S&S CYCLE Piston Kit for S&S Motors — Bore 3.875", Displacement 103",...

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

€432.34 €543.52

-€2.41
Out of Stock

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
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

-€128.49
Out of Stock

JE PISTONS Piston Kit — 3.937 in, 10.5:1, 1595 cc

High-strength forged 2618-T6 aluminum piston kit for extreme and competition use. Pins, locks and rings included. Made in the U.S.A.

€363.56 €492.05

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

-€29.17
Out of Stock

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 — 3.750" diameter, 4-3/8" stroke, 9.2:1 compression, Kit

-€23.55
Out of Stock

DRAG SPECIALTIES Replacement Piston — 3.750" diameter, 4-3/8" stroke, 9.2:1...

OEM-quality cast aluminum alloy construction. Kits include two pistons, wrist pins and clips. Accepts OEM or Hastings rings (sold separately).

€66.56 €90.11

$Replacement Piston — +0.005\" oversize, 3.755\" diameter, 4-3/8\" stroke$

-€25.84
Out of Stock

DRAG SPECIALTIES Replacement Piston — +0.005\" oversize, 3.755\" diameter,...

OEM-quality replacement piston in cast aluminum alloy. Kits include two pistons, wrist pins and clips. Accepts OEM or Hastings rings (order separately).

€73.06 €98.90

-€9.68
Out of Stock

COMETIC Transmission Gasket Kit — 5-speed

Complete set of gaskets, seals and O-rings for reliable, long-lasting sealing. Made in the USA.

€32.85 €42.53

-€28.20
Out of Stock

DRAG SPECIALTIES Replacement Piston — 3.875 in, 4-3/8 in stroke, +0.010 in

OEM-quality cast aluminum alloy replacement pistons. Kits include two pistons, wrist pins and clips. Accepts OEM or Hastings rings (sold separately).

€79.68 €107.88

-€30.11
Out of Stock

DRAG SPECIALTIES Piston — Bore 3.750", Compression ratio 9.0:1, Twin Cam, Kit

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

€85.13 €115.24

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