Engine (5)

Out of Stock

COMETIC Extreme Sealing Technology Complete Gasket Kit — 3,000"

Complete gasket kit featuring high-quality materials, including Multi-Layer Steel head gaskets and Steel Viton-coated base gaskets. Ideal for reliable and durable installations.

€140.78

Piston Kit — Bore 3.875", Compression Ratio 10.5:1, Displacement 95 cu in

-€91.64

JE PISTONS Piston Kit — Bore 3.875", Compression Ratio 10.5:1,...

Forged 2618-T6 aluminum piston kit with dome/dish crown; pins, locks and rings included.

€259.30 €350.94

-€91.64

JE PISTONS Piston Kit — Bore 3.937", 1595 cc, 9.5:1

High-strength 2618-T6 forged aluminum piston kit engineered for competition; includes pins, locks and rings.

€259.31 €350.95

Out of Stock

COMETIC Extreme Sealing Technology Complete Gasket Kit — 3,437"

The Extreme Sealing Technology Complete Gasket Kit — 3,437" offers superior sealing with high-quality materials for Harley-Davidson models, including MLS head gaskets and AFM race-style exhaust gaskets.

€151.16

-€128.49

JE PISTONS Piston Kit — 3.937" bore, 10.5:1 compression, 98" displacement

High-strength forged piston kit for competition and extreme applications; complete with pins and rings.

€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

Out of Stock

COMETIC Transmission Gasket Kit — 5-Speed

High-quality Transmission Gasket Kit — 5-Speed for Harley-Davidson motorcycles, includes all necessary components for reliable performance.

€67.45

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

-€25.84

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

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

Out of Stock

JAMES GASKET Replacement Rocker Box Cover Gaskets

High-quality replacement rocker box cover gaskets designed for a positive seal and easy removal. Made in the U.S.A.

€35.68

-€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

Out of Stock

JAMES GASKET Replacement Starter Housing Gaskets

Replacement Starter Housing Gaskets designed for Harley-Davidson bikes, made in the U.S.A. for superior quality and durability.

€7.07

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

-€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

$Piston Kit — Bore 3.937\", Oversize +0.005\", Displacement 107\", Compression 10.0:1$

-€34.31

DRAG SPECIALTIES Piston Kit — Bore 3.937\", Oversize +0.005\", Displacement...

Coated piston kit — includes two pistons, wrist pins and clips; accepts OEM or Hastings rings (sold separately). Ideal for OEM replacement.

€96.97 €131.28

-€34.31

DRAG SPECIALTIES Piston Kit — Bore 3.937", +0.010" oversize, 107 cu in

Direct OEM replacement; includes two pistons, wrist pins and clips. Accepts OEM or Hastings rings (sold separately).

€96.97 €131.28

-€34.31

DRAG SPECIALTIES Piston Kit — 4.000" bore, 10.5:1 compression, 114" displacement

Coated pistons reduce friction and help control operating temperatures.
Includes two pistons, wrist pins and clips for a complete kit.
Ideal for OEM replacement; rings sold separately.

€96.97 €131.28

Piston Kit — Bore 4.000", Oversize +0.005", Compression 10.5:1, Displacement 114 cu in

-€34.31

DRAG SPECIALTIES Piston Kit — Bore 4.000", Oversize +0.005", Compression...

Coated pistons reduce friction and improve durability; includes two pistons, wrist pins and clips. Accepts OEM or Hastings rings (sold separately).

€96.97 €131.28

Out of Stock

JAMES GASKET Crankcase Saver Gasket Kit

The Crankcase Saver Gasket Kit is essential for repairing O-ring ridge issues. Available in RCM and Foamet® options for optimal performance.

€56.95

Piston Kit — Bore 4.000", Oversize +0.010", Compression ratio 10.5:1, Displacement 114"

-€34.31
Out of Stock

DRAG SPECIALTIES Piston Kit — Bore 4.000", Oversize +0.010", Compression ratio...

Coated pistons for extended life; OEM replacement kit includes two pistons, wrist pins and clips. Rings sold separately.

€96.97 €131.28

-€32.03

DRAG SPECIALTIES Replacement Piston Kit — 3.875" bore, 9.4:1 compression

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

€90.50 €122.53

Replacement Piston Kit — 3.875" bore, +0.005" oversize, 9.4:1 compression

-€32.03

DRAG SPECIALTIES Replacement Piston Kit — 3.875" bore, +0.005" oversize, 9.4:1...

Complete piston kit with two pistons, wrist pins and clips; OEM-quality cast aluminum construction.

€90.50 €122.53

$Replacement Piston Kit — Bore 3.875\", Oversize +0.010\", Compression ratio 9.4:1$

-€32.03
Out of Stock

DRAG SPECIALTIES Replacement Piston Kit — Bore 3.875\", Oversize +0.010\",...

Economical OEM-quality kit includes two pistons, wrist pins and clips; accepts OEM or Hastings rings.

€90.50 €122.53

Replacement Piston Kit — Bore 3.875" +0.020", Compression ratio 9.4:1

-€32.03

DRAG SPECIALTIES Replacement Piston Kit — Bore 3.875" +0.020", Compression...

OEM-quality cast aluminum alloy replacement kit; includes two pistons, wrist pins and clips. Economical with great performance.

€90.50 €122.53

-€23.26
Out of Stock

DRAG SPECIALTIES Piston Kit — Bore 3.000", 9.0:1 compression

OEM-replacement piston kit; includes two pistons, wrist pins and circlips; accepts OEM or Hastings rings.

€65.73 €88.99

-€23.26
Out of Stock

DRAG SPECIALTIES Piston Kit — Bore 3.000", Oversize +0.005"

OEM replacement piston kit; includes two pistons, wrist pins and circlips. Accepts OEM or Hastings rings (sold separately).

€65.73 €88.99

-€23.26
Out of Stock

DRAG SPECIALTIES Piston Kit — Bore 3.000", Oversize +0.010"

Ideal OEM replacement; includes two pistons, wrist pins and circlips; accepts OEM or Hastings rings (sold separately).

€65.73 €88.99

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