Engine (4)

640 Easy Start Camshaft Kit — 95"/96"/103"/110" engines, 10.5:1–11.5:1 compression, 3,000–6,000 rpm

On sale!
-€126.14

S&S CYCLE 640 Easy Start Camshaft Kit — 95"/96"/103"/110" engines,...

Reduces compression for easier starting; retracts at rpm for full compression. For 95"–110" engines, 10.5:1–11.5:1. Installer checks required.

€490.59 €616.73

On sale!
-€98.76

S&S CYCLE Camshaft Kit with Inner Gears — 510 Series grind, Gear type

Complete camshaft kit with inner and outer gears plus installation hardware: gearcover gasket, bearings, oil passage block-off kit, retaining ring, o-ring and instructions.

€384.07 €482.83

-€10.05

S&S CYCLE Oil Control Valve — 310-1150, Black, Silver

Helps regulate oil flow to the cooler and heads. Durable billet aluminum construction, steel check ball retainer, easy to install. Made in the USA.

€39.08 €49.13

Big Bore Piston Kit — Bore 4.250" , oversize +0.010" , stroke 4.500" , 128 cu in

-€131.17

S&S CYCLE Big Bore Piston Kit — Bore 4.250" , oversize +0.010" , stroke...

Complete kit with pistons, rings, wristpins, and clips for reliable performance.

€510.10 €641.27

-€126.80

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

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

€493.09 €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

-€51.63

S&S CYCLE H-Grind Camshaft — Gear, Exhaust & Intake

OEM-spec hydraulic camshaft; faithful reproduction of the stock '48–'84 Big Twin cams. Ideal for 74" and 80" engine restorations.

€200.80 €252.43

-€51.63

S&S CYCLE H-Grind Camshaft — H grind, fits 74" and 80" Big Twin engines

OEM-spec hydraulic replacement camshaft; faithful reproduction of stock '48–'84 Big Twin cams. Ideal for repair and restoration of 74" and 80" engines; available for generator and alternator applications.

€200.80 €252.43

-€192.09

S&S CYCLE 551G Gear Drive Camshaft Kit — 551 Series grind

Bolt-in cam set for 96–106 CID engines (9:1–9.9:1). Improves low- and midrange torque and timing accuracy; professional installation required.

€747.05 €939.14

-€84.68

S&S CYCLE 551C Chain Drive Camshaft Kit — Chain, 551 Series

Bolt-in cam set for 96–106 CID engines; improves low and midrange torque. Fits models with hydraulic tensioner chain drive.

€329.33 €414.01

-€84.68

S&S CYCLE 583C Chain Drive Camshaft Kit — 583 Series grind

Great cam for Softail and Dyna; strong low-end torque and horsepower. Best from 1500–5000 rpm. Installer must check coil bind and clearances. Not for compression ratios > 10.1:1.

€329.33 €414.01

-€119.17

S&S CYCLE 640 Easy Start Camshaft Kit — 95/96/103/110 cu in, 10.5:1–11.5:1

Reduces starting compression for easier starts, then fully retracts at higher rpm for full performance. For 95/96/103/110 engines, 10.5:1–11.5:1. Not for models with OEM compression releases. High-lift springs and adjustable pushrods required.

€346.94 €466.11

Big Bore Piston Kit — +0.010 in oversize, 4.250 in bore, 4.375 in stroke, 124 cu in displacement

On sale!
-€97.48

S&S CYCLE Big Bore Piston Kit — +0.010 in oversize, 4.250 in bore, 4.375...

Complete piston kit with pistons, rings, wristpins, and clips. Compression ratios are approximate.

€379.03 €476.51

Piston Kit Big Bore 4.250" for M8 Models — Bore 4.250", Displacement 128", Stroke 4.500"

-€135.98

S&S CYCLE Piston Kit Big Bore 4.250" for M8 Models — Bore 4.250",...

Durable, precisely machined piston kit that delivers reliable compression and long service life. Built for easy installation and consistent operation.

€528.83 €664.81

-€109.47

S&S CYCLE HP103 Easy Start Camshaft Kit — Grind HP103, Chain

Easy-start camshaft kit for 103" engines; bolt-in design, high-rpm power band, includes hardware. Not for models with OEM compression releases.

€425.73 €535.20

On sale!
-€101.30

S&S CYCLE 640 Easy Start Camshaft Kit — Chain, S&S CYCLE 330-0331

Reduces crank compression for easier starts, then restores full compression for normal running. Fits 95", 96", 103" and 110" engines with 10.5:1–11.5:1 compression; requires high-lift springs and adjustable pushrods. Not for models with OEM compression releases.

€393.94 €495.24

-€216.89

S&S CYCLE MR103 Easy Start Camshaft kit — Gear type

Bolt-in camshaft kit for easier starting on 103" engines; restores full compression once running. Includes cams and hardware; installer must verify clearances.

€843.44 €1,060.33

On sale!
-€170.11

S&S CYCLE 635 H.O. Gear Drive Camshaft Kit — Gear drive, Raw finish

High‑lift camshaft kit for modified engines 106"+ displacement; increases accuracy by removing chain lash; requires professional installation and press.

€661.56 €831.67

Replacement Ring Set for S&S Pistons — Bore 3.4375", Piston +0.030"

-€14.81

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

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

€57.68 €72.49

Replacement Ring Set for S&S Pistons — 3.4375" bore, +0.050" pistons, domed head

On sale!
-€12.13

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

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

€47.17 €59.30

Camshafts 54-84 Big Twins with S&S Valve Train Conversion Kit — S&S CYCLE Kit, PN 106-6027

On sale!
-€44.64

S&S CYCLE Camshafts 54-84 Big Twins with S&S Valve Train Conversion Kit...

Quality camshaft kit for 1954–1984 Big Twin models; higher lift and improved valve timing. Quiet hydraulic operation when used with hydraulic conversion kits.

€173.59 €218.23

On sale!
-€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

On sale!
-€1.69

S&S CYCLE Idler Gear Shim — 1.37 mm (0.054 in)

Precision shims for circuit breaker drive and idler gear assemblies. Sold as a set.

€6.58 €8.27

On sale!
-€2.12

S&S CYCLE Idler Gear Shim — 1.47 mm (0.058")

Precision shims for circuit breaker drive and idler gear assemblies. Improve gear mesh and reduce play for smoother operation.

€8.25 €10.37

585V Camshaft — Grind 585V, Intake 245°, Exhaust 260°, Lift 0.585", Raw

-€51.63

S&S CYCLE 585V Camshaft — Grind 585V, Intake 245°, Exhaust 260°, Lift...

Thoroughly tested S&S camshaft for 80"–96" engines; optimized for 3500–6000 rpm. Made in USA. Installer must verify clearances.

€200.80 €252.43

-€192.09

S&S CYCLE 551G Gear Drive Camshaft Kit — 96–106 CID, 551 Series grind

Bolt-in gear drive cam kit for 96–106 CID engines (9:1–9.9:1). Improves low- and midrange torque, increases valve timing accuracy, and includes gears, bearings, gaskets, and instructions. Requires professional tools and cover modification; not for 10:1+ compression.

€747.05 €939.14

-€15.29

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

Replacement ring set for S&S pistons; includes rings for two pistons. Made in USA.

€59.47 €74.76

-€17.47

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

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

€67.97 €85.44

508 Camshaft — 235° exhaust, 217° intake, 0.508″ exhaust lift, 0.508″ intake lift, 508 Series grind

-€51.63

S&S CYCLE 508 Camshaft — 235° exhaust, 217° intake, 0.508″ exhaust lift,...

Proven 508-series camshaft: bolt-in design, quiet valve train and strong low- to mid-range power. Made in the USA.

€200.80 €252.43

-€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

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