Engine (4)

-€93.88

JE PISTONS Piston Kit — Bore 4.005 in, Compression 10.5:1, Size +0.005 in

Complete piston kit with premium wrist pins, wire locks and JE Pro Seal rings. Precision-manufactured for consistent performance in high-horsepower V-Twin applications.

€265.63 €359.51

$Piston Kit for S&S Motors — +0.020\" oversize, 3.500\" bore$

-€34.97

S&S CYCLE Piston Kit for S&S Motors — +0.020\" oversize, 3.500\" bore

Includes forged pistons, rings, wrist pins and clips for a complete motor replacement. Made in the U.S.A.

€135.99 €170.96

-€38.66

S&S CYCLE Piston Kit for S&S Motors — 3.5" bore, 80 cu in

Complete piston kit including pistons, rings, wrist pins and clips. Made in the U.S.A. Professional installation recommended.

€150.64 €189.30

-€95.59

WISECO Forged Piston Kit — 1200 cc, 12.0:1

High-performance piston kit with aerospace-grade alloys. Includes pistons, rings, pins, clips, and needle bearing when applicable. Dyno-tested for superior performance.

€270.44 €366.03

Big Bore Piston Kit — Bore 4.250 in, Stroke 4.500 in, Displacement 128 cu in, Oversize +0.010 in

-€131.17

S&S CYCLE Big Bore Piston Kit — Bore 4.250 in, Stroke 4.500 in,...

Complete piston kit including pistons, rings, wristpins and clips. Compression ratios are approximate and calculated using correct cylinder lengths.

€510.10 €641.27

-€274.73

S&S CYCLE Big Bore Piston Kit — 4.250" bore, 4.625" stroke, 131 cu in

Complete piston kit includes pistons, rings, wristpins and clip. Compression ratios listed are approximate and are calculated using the correct length cylinders as specified by S&S.

€345.16 €619.89

-€107.92

S&S CYCLE Piston Kit — 4.00" bore, 4.00" stroke, 100 cu in displacement

Forged flat-top pistons intended for S&S Super Sidewinder and other custom 4" bore engine applications, built for reliable performance and tight tolerances.

€419.69 €527.61

Replacement Piston — 3.760" diameter, +0.010" oversize, 4-3/8" stroke, kit

-€23.55

DRAG SPECIALTIES Replacement Piston — 3.760" diameter, +0.010" oversize, 4-3/8"...

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

€66.56 €90.11

-€26.33

DRAG SPECIALTIES Replacement Piston — 3.875" diameter, 4-3/8" stroke, kit

OEM-quality piston kit includes two pistons, wrist pins and clips. Economical replacement with proven performance.

€74.41 €100.74

-€26.33

DRAG SPECIALTIES Replacement Piston — 3.875" diameter, 4-3/8" stroke, +0.005"

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

€74.41 €100.74

Big Bore Piston — 3.875" bore, +0.005" oversize, 10.25:1 compression

-€30.22

DRAG SPECIALTIES Big Bore Piston — 3.875" bore, +0.005" oversize, 10.25:1...

Precision big bore piston for Twin Cam engines — ideal for rebuilds and performance builds.

€85.40 €115.62

-€97.48

S&S CYCLE Big Bore Piston Kit — 4.250" bore, 4.375" stroke, 124 cu in

Includes pistons, rings, wristpins, and retaining clips. Compression ratios are approximate and calculated using specified cylinder lengths.

€379.03 €476.51

-€294.63

S&S CYCLE Piston Kit Big Bore 4.250" for M8 Models — 4.250" bore, 128 cu in

Forged aluminum piston kit engineered for durability and reliable engine performance. Ideal for rebuilds and upgrades.

€370.18 €664.81

-€32.11

S&S CYCLE Replacement Ring Set for S&S Pistons — 3.4375 in, +0.030 in

Replacement ring sets for S&S pistons only. Rings come as sets for two pistons. Made in the USA.

€40.38 €72.49

Replacement Ring Set for S&S Pistons — Bore 3.4375", +0.050" piston, Domed, Set

-€12.13

S&S CYCLE Replacement Ring Set for S&S Pistons — Bore 3.4375", +0.050"...

Replacement ring set for S&S pistons. Includes rings for two pistons. Made in the USA.

€47.17 €59.30

-€7.55

S&S CYCLE Replacement Ring Set for S&S Pistons — 3.625" bore, +0.040", Set

Replacement rings for S&S pistons. Includes rings for two pistons. Made in the U.S.A.

€29.34 €36.89

$High-Performance Replacement Ring Set — 3.875\", +0.010\", VM Series$

-€6.84

WISECO High-Performance Replacement Ring Set — 3.875\", +0.010\", VM...

Replacement ring set includes rings for one piston only. Fits Wiseco pistons; verify compatibility before ordering.

€19.36 €26.20

-€6.92

HASTINGS Replacement Piston Rings — 3.750 in, Moly coated, Set

Includes top and second compression rings plus three-piece oil control rings; supplies enough rings for two pistons for reliable sealing and oil control.

€26.90 €33.82

Replacement Piston Rings — 3.750 in bore, +0.010 in oversize, moly coated

-€5.67

HASTINGS Replacement Piston Rings — 3.750 in bore, +0.010 in oversize,...

Complete replacement ring set with top and second compression rings plus three-piece oil control rings. Restores compression, controls oil, and improves oil economy. Includes enough rings for two pistons. Made in the USA.

€22.06 €27.73

Replacement Ring Set for S&S Pistons — Bore 3.625", Piston +0.030"

-€28.39

S&S CYCLE Replacement Ring Set for S&S Pistons — Bore 3.625", Piston...

Replacement ring sets for S&S pistons. Sold as a set for two pistons. Made in the USA.

€35.68 €64.07

Replacement Ring Set for S&S Pistons — 3.927" bore, standard piston size

-€15.29

S&S CYCLE Replacement Ring Set for S&S Pistons — 3.927" bore, standard...

Replacement ring set for S&S pistons. Includes rings for two pistons. Made in the USA.

€59.47 €74.76

-€17.47

S&S CYCLE Replacement Ring Set for S&S Pistons — 4.125" bore, flat-top

Replacement ring sets for S&S pistons. Includes rings for two pistons. Made in the USA.

€67.97 €85.44

-€8.32

HASTINGS Replacement Piston Rings — +0.020 in, Moly coated

Includes top and second compression rings plus three-piece oil control rings; enough for two pistons.

€32.36 €40.68

-€34.97

S&S CYCLE Ring Set — Piston, 2-pack

Complete set of piston rings for reliable sealing and engine performance.

€135.99 €170.96

-€8.71

HASTINGS Replacement Piston Rings — HASTINGS, Set

Complete set of top, second, and three-piece oil control rings for two pistons. Barrel face top rings and Napier second rings provide improved sealing and heat transfer; three-piece Flex Vent oil rings ensure positive oil control. Made in the USA.

€15.25 €23.96

-€4.96

HASTINGS Replacement Piston Rings — 3.498" bore, +0.040" oversize

Complete set of top, second, and oil control rings for two pistons. Barrel face top rings, reverse torsional second rings, and three-piece oil control rails. Made in USA.

€19.26 €24.22

-€4.45

HASTINGS Replacement Piston Rings — Bore 3.000"

Includes top and second compression rings plus three-piece oil control rings. Promotes side sealing for improved oil economy. Includes enough rings for two pistons; two rings per groove except rails. Made in the USA.

€17.28 €21.73

Replacement Piston Rings — 3.937" bore, 107" displacement, Standard piston size

-€8.18

HASTINGS Replacement Piston Rings — 3.937" bore, 107" displacement,...

Complete PVD-coated piston ring set includes barrel-face top rings, Napier second rings, and three-piece Flex Vent oil control rings for two pistons. Made in the USA.

€31.78 €39.96

Replacement Piston Rings — Piston size +0.005", Bore 3.937", 107 cu in

-€14.17

HASTINGS Replacement Piston Rings — Piston size +0.005", Bore 3.937",...

Complete replacement piston ring set with PVD coating: barrel face top rings, Napier second rings, and three‑piece flex vent oil control rings. Includes enough rings for two pistons.

€55.10 €69.27

Replacement Piston Rings — Bore 3.937", Displacement 107", Piston Size +0.010"

-€13.81

HASTINGS Replacement Piston Rings — Bore 3.937", Displacement 107",...

Complete ring set for two pistons with PVD-coated barrel-face top rings, Napier second rings, and three-piece Flex Vent oil control rings.

€53.73 €67.54

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