Engine (6)

-€1.37

S&S CYCLE Crankcase Screen Oil — S&S Cycle, 31-2010

Pack of 5 crankcase oil screens. Durable mesh construction for reliable debris capture. Easy to install during oil changes.

€5.32 €6.69

-€549.14

S&S CYCLE MK-Series Engine Case — Black, Fits stock touring frame

Complete MK-Series crankcase assembly with stock deck height and large-volume sump. Reinforced for high-stress reliability; includes MSO and full hardware kit.

€2,139.73 €2,688.87

Crankcase MK-Series 4-1/2" — accepts up to 4.5" cylinders, 4.695" spigot bore, Black

-€577.44

S&S CYCLE Crankcase MK-Series 4-1/2" — accepts up to 4.5" cylinders,...

Ready for high-power M8 builds; accepts cylinders up to 4 1/2", with machined oil scraper, large sump and 4.695" spigot bore. No frame modifications required.

€2,250.00 €2,827.44

-€658.49

S&S CYCLE Crankcase MK-Series 4.5" — Black, 4.695" spigot bore

High-capacity engine cases for M8 platforms; accept cylinders up to 4.5", machined oil scraper, large sump, 4.695" spigot bore.

€2,565.77 €3,224.26

-€2.05

S&S CYCLE Parallel Key — 0.188" x 0.150" x 0.420", Steel

Precision individual key; dimensions 0.188" x 0.150" x 0.420"; made in the U.S.A.

€7.95 €10.00

On sale!
-€65.94

S&S CYCLE Crankpin Assembly — P/N 34-2001

Includes crankpin, nuts and key. Made in the U.S.A.

€256.41 €322.35

-€9.72

S&S CYCLE Cam Installation Kit — Chain-drive

Complete set of parts for servicing or replacing gear- or chain-drive cams in Milwaukee 8 motors. Made in the USA.

€37.78 €47.50

-€35.40

S&S CYCLE Crankpin Assembly — S&S CYCLE 34-2102, Steel

Complete crankpin assembly with nuts and key. Fits stock and most aftermarket flywheels. Made in the USA.

€137.66 €173.06

-€26.52

S&S CYCLE Pinion Gear for Two-Gear Driven Cams — Undersize

Precision pinion gear for two-gear driven cam systems. A two-gear set is required; gears sold separately. Made in the U.S.A.

€103.14 €129.66

-€35.40

S&S CYCLE Crankpin Assembly — Vendor Part Number 34-2503

Direct replacement for stock and S&S flywheels. Includes crankpin, nuts and key. Made in the USA.

€137.66 €173.06

-€22.44

S&S CYCLE Pinion Gear — 1.4751"–1.4756", Orange

High-quality, precision-machined pinion gear that is heat-treated and finish ground. Made in the U.S.A.

€87.26 €109.70

-€39.72

S&S CYCLE Pinion Shaft Assembly — Silver, 33-2024

Includes shaft, nut and keys. For use with standard bearing diameter. Made in the USA.

€154.44 €194.16

On sale!
-€20.77

S&S CYCLE Pinion Gear — 1.4745–1.4751 in, white

High-quality pinion gear, precision machined, heat-treated and finish-ground. Made in the U.S.A.

€80.75 €101.52

-€39.72

S&S CYCLE Pinion Shaft Assembly — 33-2027, Silver

Includes shaft, nut and keys. Made in the USA. For use with standard bearing diameter.

€154.44 €194.16

-€8.82

S&S CYCLE Motor Sprocket Shaft Spacer — Counterbalance shaft, 31-4011

Precision spacer for motor sprocket shaft, designed for S&S Super Stock® and special application crankcases.

€34.28 €43.10

-€38.88

S&S CYCLE Sprocket Shaft Assembly — Fits S&S® SE or SL flywheels only

Includes tapered shaft, nut and keys. For use with standard diameter bearing. Fits S&S® SE or SL flywheels only. Made in the USA.

€151.51 €190.39

-€2.35

S&S CYCLE Hydraulic Tensioner Oil Block Off Cover — 106-5723

Block-off cover for hydraulic tensioner oil passages; machined fit for gear drive cam chest kits. Kit includes installation hardware.

€9.14 €11.49

On sale!
-€1.01

S&S CYCLE Internal Retaining Ring Pack — 5-pack

Pack of internal retaining rings for secure axial locating in assemblies.

€3.91 €4.92

-€20.40

S&S CYCLE Cam Chain Tensioner — 330-0737, Black

Precision-machined cam chain tensioner with larger piston, thicker pad and direct chain oiling for longer life.

€79.33 €99.73

Dual Spray Piston Cooling Jet Kit — Anodized aluminum

-€19.38

S&S CYCLE Dual Spray Piston Cooling Jet Kit — Anodized aluminum

Dual Spray jet kit cools both intake and exhaust piston sides for improved power and durability. Shortened nozzle increases rod clearance. Includes hardware and gaskets.

€75.56 €94.94

-€2.28

S&S CYCLE Intake Manifold O-Ring — Black, Stock

Precision replacement seal for the engine intake system. Made from high-quality materials and manufactured in the USA for reliable, long-lasting performance.

€8.89 €11.17

-€391.28

S&S CYCLE Cam Chest Kit for M8 — 465G grind, water-cooled

Complete cam chest kit engineered for improved oil flow, precise cam timing and durable, serviceable construction. Includes tappets, pushrods, outer drive gears and all installation hardware.

€1,521.66 €1,912.94

-€371.80

S&S CYCLE 106" Stroker Flywheel Kit — 4-1/2" stroke

Three-piece assembled flywheels; no motor case modification required. Fuel-injected motors need recalibration. Professional installation recommended.

€1,445.91 €1,817.71

-€359.41

S&S CYCLE Cam Chest Kit for M8 — 475G grind, blue anodized

Complete cam chest kit for M8 engines with billet aluminum pump and cam plate, adjustable pressure relief valve, improved oil flow, debris magnet, finished pushrod tubes, premium tappets, and all gaskets, bearings and hardware for a complete installation. Made in the USA.

€1,397.73 €1,757.14

-€397.94

S&S CYCLE Cam Chest Kit for M8 — Water-cooled, 465G grind

Complete cam chest kit for M8 engines with matched components, billet-aluminum oil pump and cam plate, debris screens, adjustable pressure relief valve, S&S Quickee pushrods and premium tappets. Includes gaskets, bearings, drive gears, and hardware for full installation.

€1,547.52 €1,945.46

Replacement Flywheel Assembly — 4-3/8" stroke, A motor, with sprocket bearing race

-€382.87

S&S CYCLE Replacement Flywheel Assembly — 4-3/8" stroke, A motor, with...

S&S three-piece replacement flywheel assembly; direct stock fit, made in the USA. Units without sprocket bearing race are for Timken conversion (sold separately).

€1,488.94 €1,871.81

Cam Chest Kit for M8 — 465 Performance gear kit, oil-cooled, gloss black pushrod tubes

-€367.68

S&S CYCLE Cam Chest Kit for M8 — 465 Performance gear kit, oil-cooled,...

Complete matched cam chest kit for M8 engines with precision-machined components and improved oil flow and tappet stability.

€1,429.86 €1,797.54

-€399.25

S&S CYCLE Replacement Flywheel Assembly — 4-3/8" stroke, 'B' motor

S&S three-piece flywheel assembly with integral main shafts; direct fit to stock crankcases; designed for Timken bearing conversion (sprocket bearing race sold separately). Made in the U.S.A.

€1,552.63 €1,951.88

-€367.68

S&S CYCLE Cam Chest Kit for M8 — 475G grind, Gloss Black pushrod tubes

Complete cam chest kit with matched billet components, debris screens, increased oil flow capacity, adjustable pressure relief valve, magneted cam chest and premium valvetrain parts for improved timing and durability. Made in the USA.

€1,429.86 €1,797.54

On sale!
-€375.99

S&S CYCLE Cam Chest Kit for M8 — 550 Big Bore, water-cooled

Complete matched cam chest kit for M8 engines that improves oil control, cam timing accuracy, and high‑rpm stability. Includes all gaskets, bearings, and hardware for installation.

€1,462.20 €1,838.19

shop by category

Engine

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Contact us

Products

Our company