Engine (6)

-€26.33

DRAG SPECIALTIES Replacement Piston — 3.875 in diameter, 4.375 in stroke, 9.6:1

OEM-quality replacement piston kit. Includes two pistons, wrist pins and clips. Accepts OEM or Hastings rings.

€74.41 €100.74

-€26.33

DRAG SPECIALTIES Replacement Piston — Bore 3.875 in, Stroke 4-3/8 in

OEM-quality cast aluminum alloy piston kit; includes two pistons, wrist pins, and clips. Rings sold separately.

€74.41 €100.74

-€29.38

DRAG SPECIALTIES Piston Kit — 3.750" bore, +0.020" oversize, 9.0:1 compression

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

€83.05 €112.43

$Big Bore Piston — 3.875\" , 10.25:1$

-€32.37

DRAG SPECIALTIES Big Bore Piston — 3.875\" , 10.25:1

Direct-fit Big Bore piston for Twin Cam engines, built for durability and consistent performance.

€91.45 €123.82

Big Bore Piston — Bore 3.875", Oversize +0.005", Compression ratio 10.25:1

-€30.22

DRAG SPECIALTIES Big Bore Piston — Bore 3.875", Oversize +0.005", Compression...

Big bore piston for Twin Cam engines, precision-machined for durability and performance.

€85.40 €115.62

-€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

-€92.57

FEULING OIL PUMP CORP. Reaper® 505/515 Cam — Split lift, Exhaust 248°, Intake 239°

Wide, rideable powerband for stock engines.

Split lift character with top fuel sound.

Use with stock pushrods and valve springs; lifter change recommended.

€360.00 €452.57

-€35.45

FEULING OIL PUMP CORP. Camshaft Installation Kit — Part 2058

Complete camshaft installation kit with gaskets, bearings, bolts and seals for full cam and crank service. Made in the USA.

€137.85 €173.30

-€43.40

FEULING OIL PUMP CORP. Camshaft Installation Plus Kit — Model Plus, P/N 2059

Complete installation kit with gaskets, bearings, and ARP® hardware for reliable camshaft assembly.

€168.76 €212.16

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

-€60.31

FEULING OIL PUMP CORP. OE+ Camplate — 6061 aluminum

Direct bolt-in replacement for '99–'06 Twin Cam® camshafts. Pre-set pressure relief valve (50–60 psi), added cam journal oil groove, accepts factory oil pump. Includes bearing retainer plate and hardware. Made in USA.

€234.53 €294.84

-€65.93

FEULING OIL PUMP CORP. OE+ Camplate — Fits '99–'06 Twin Cam®

Direct bolt-in camplate for '99–'06 Twin Cam® engines; pre-set relief valve (50–60 psi), added oil grooves and feed holes, includes retainer plate and hardware.

€256.36 €322.29

-€64.79

FEULING OIL PUMP CORP. OE+ Camplate — 6061 Aluminum

Direct bolt-in stock replacement camplate engineered for improved lubrication and cold-start protection. Preset relief valve (50–60 psi); includes bearing retainer plate and hardware.

€251.97 €316.76

-€60.31

FEULING OIL PUMP CORP. OE+ Camplate — 6061 aluminum

FEULING® OE+ billet camplate is a direct bolt-in replacement for '99–'06 Twin Cam® style camshafts, with pre-set pressure relief and added oiling features.

€234.53 €294.84

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

-€11.22

EASTERN MOTORCYCLE PARTS Cam Drive Sprocket Spacers — 6-pack, sizes 0.100"–0.150"

Precision spacers for cam drive sprockets. Made in the U.S.A.; check alignment and torque during installation.

€31.73 €42.95

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

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