Engine

-€544.39

S&S CYCLE 96" Sidewinder® Engine Performance Kit — 3.625" bore, 4.625"...

Complete S&S Sidewinder® performance kit with flywheel assembly, stroker big bore cylinder, pistons, rings and gaskets. Made in USA. Some installation parts and machine work required.

€2,117.08 €2,661.47

-€338.73

S&S CYCLE Hooligan Engine Performance Kit — 1200 cc, Wrinkle Black

Bolt-on performance kit with bolt-in cams and premium tappets. Easy installation with no machining or rebalancing. Uses stock heads, pushrods, and fuel system.

€1,317.28 €1,656.01

110" Power Package Performance Kit — 4" bore, 10.5:1 compression, Black

-€717.12

S&S CYCLE 110" Power Package Performance Kit — 4" bore, 10.5:1...

Complete S&S 110" big-bore performance kit with 4" cylinders, 10.5:1 pistons and 585 cams; fits stock heads.

€2,788.77 €3,505.89

124" Power Package for Water Cooled 107" M8 — 4.250" bore, water-cooled, Wrinkle Black

-€626.49

S&S CYCLE 124" Power Package for Water Cooled 107" M8 — 4.250" bore,...

Complete bolt-on big bore kit with forged pistons, billet-machined components, S&S cam and tappets. No case machining required.

€2,436.38 €3,062.87

124" Power Package for Oil Cooled 107" M8 — 4.250" bore, 11:1 compression

-€639.83

S&S CYCLE 124" Power Package for Oil Cooled 107" M8 — 4.250" bore, 11:1...

Complete bolt-on big-bore upgrade kit with precision-machined components, forged pistons and serviceable oiling features for reliable performance.

€2,488.20 €3,128.03

128" Power Package for 114"/117" Oil Cooled M8 — 128", 4.250" bore, 4.500" stroke, 11.1:1, Wrinkle Black

-€734.60

S&S CYCLE 128" Power Package for 114"/117" Oil Cooled M8 — 128", 4.250"...

Complete bolt-on big-bore kit that raises displacement without case machining. Includes cylinders, forged pistons, upgraded oil pump/cam plate, valvetrain hardware, and all gaskets and bearings for installation.

€2,856.80 €3,591.40

128" Power Package Engine Performance Kit — 4.250" bore, 4.500" stroke, 11.1:1

-€639.83

S&S CYCLE 128" Power Package Engine Performance Kit — 4.250" bore,...

Bolt-on big-bore performance kit that increases displacement with forged pistons, S&S 550 cams, enhanced oiling and all gaskets and hardware for installation. Made in the U.S.A.

€2,488.20 €3,128.03

128" Power Package Engine Performance Kit — 128", 4.250" bore, 4.500" stroke, 11.1:1, Black Granite

-€679.94

S&S CYCLE 128" Power Package Engine Performance Kit — 128", 4.250" bore,...

Bolt-on big-bore kit for M-Eight engines. Includes forged pistons, S&S oil pump/cam plate, cams, springs, pushrods, premium tappets, gaskets, bearings, and hardware. Made in the U.S.A.

€2,644.23 €3,324.17

$128\" Power Package for 114\"/117\" Oil Cooled M8 —4.25\" bore, 4.5\" stroke$

-€693.06

S&S CYCLE 128\" Power Package for 114\"/117\" Oil Cooled M8 —4.25\"...

Complete bolt‑on big‑bore kit to increase 114\"/117\" M‑Eight engines to 128\"; includes cylinders, forged pistons, S&S 550 cam, oil pump/cam plate and all gaskets and hardware.

€2,695.25 €3,388.31

Tornado Turbo Performance Kit — 107", 114", 117" M-Eight, Black

-€1,595.33

TRASK Tornado Turbo Performance Kit — 107", 114", 117" M-Eight, Black

Bolt-on kit adds 40–50% more power to stock 107", 114", 117" M-Eight motors. Includes larger injectors, spark plugs, boost gauge with mount, oil lines, custom cam cover and Thundermax tune files. Requires Thundermax ECM (sold separately). Does not fit Twin Cooled models or models with non-removable fairing lowers. For offroad use only.

€6,204.07 €7,799.40

Tornado Turbo Performance Kit — Polished

-€1,595.33

TRASK Tornado Turbo Performance Kit — Polished

Bolt-on power: +40–50% on stock 107", 114" and 117" M‑Eight motors.
Compressor and turbine housing with Garrett internals; plenum with integrated blow-off valve.
Includes injectors, spark plugs, boost gauge with mount, oil feed/drain lines, custom cam cover, tune files, hardware and gaskets.
Requires Thundermax ECM (sold separately). Does not fit Twin Cooled or non-removable fairing lowers. Offroad use only.
Made in the USA.

€6,204.07 €7,799.40

132" Power Package Engine Performance Kit — 4.320" bore, 4.500" stroke, water-cooled

-€734.60

S&S CYCLE 132" Power Package Engine Performance Kit — 4.320" bore,...

Complete big-bore kit to convert 114"/117" water-cooled M8 engines to 132" with serviceable components and retained engine height and serials.

€2,856.80 €3,591.40

$132\" Power Package Engine Performance Kit — 132\", 4.320\" bore, 4.500\" stroke, Black Granite$

-€734.60

S&S CYCLE 132\" Power Package Engine Performance Kit — 132\", 4.320\"...

Complete 132" engine performance kit converts 114"/117" oil-cooled M8 to 132" with big-bore cylinders, performance-matched 550 cam, adjustable relief valve, and serviceable components.

€2,856.80 €3,591.40

129" Power Package Engine Performance Kit — Bore 4.320", Stroke 4.375", Black

-€752.97

S&S CYCLE 129" Power Package Engine Performance Kit — Bore 4.320",...

Converts a 107" oil‑cooled M8 to 129" without case machining. Big-bore cylinders, matched cam and pump, MLS head gaskets. Made in USA.

€2,928.22 €3,681.19

$132\" Power Package Engine Performance Kit — 132\", 4.320\" bore, 4.500\" stroke$

-€778.33

S&S CYCLE 132\" Power Package Engine Performance Kit — 132\", 4.320\"...

Converts 114" or 117" water-cooled M8 to 132" displacement; includes big-bore cylinders, 550 performance cam, MLS head gaskets, and cam cover badge. Retains stock engine height and serial numbers.

€3,026.84 €3,805.17

129" Power Package Engine Performance Kit — 129", bore 4.320", stroke 4.375", black

-€778.33

S&S CYCLE 129" Power Package Engine Performance Kit — 129", bore 4.320",...

Converts a 107" oil-cooled M8 to 129" with big-bore cylinders, matched cam and oil pump, MLS head gaskets; works with the stock crankcase.

€3,026.84 €3,805.17

132" Power Package Engine Performance Kit — 4.320" bore, 4.500" stroke, Black

-€778.33

S&S CYCLE 132" Power Package Engine Performance Kit — 4.320" bore,...

Complete S&S 132" Power Package kit to upgrade compatible 114" or 117" oil-cooled M8 engines; retains serial numbers, works with stock crankcase, and includes cam cover badge.

€3,026.84 €3,805.17

132" Power Package Engine Performance Kit — Bore 4.320", Stroke 4.500", Black Granite

-€778.33

S&S CYCLE 132" Power Package Engine Performance Kit — Bore 4.320",...

Complete performance kit that converts the 114" or 117" water-cooled M8 to 132", with matched big-bore cylinders, performance 550 cam, MLS head gaskets, debris protection, and retained original serial numbers. Made in the USA.

€3,026.84 €3,805.17

-€778.33

S&S CYCLE 132" Power Package Engine Performance Kit — Bore 4.320",...

Complete kit to convert 114" or 117" oil-cooled M8 engines to 132" displacement while retaining stock height and serial numbers. Includes adjustable pressure relief valve, S&S valve springs, big-bore cylinders, MLS head gaskets and a performance-matched 550 cam.

€3,026.84 €3,805.17

129" Power Package Engine Performance Kit — 129", 4.320" bore, 4.375" stroke, Black

-€778.33

S&S CYCLE 129" Power Package Engine Performance Kit — 129", 4.320" bore,...

Complete kit to convert a 107" oil-cooled M8 into a 129" performance engine; includes matched cam, cam plate, oil pump, MLS head gaskets and serviceable passage plugs.

€3,026.84 €3,805.17

129" Power Package Engine Performance Kit — 4.320" bore, 4.375" stroke, Black

-€778.33

S&S CYCLE 129" Power Package Engine Performance Kit — 4.320" bore,...

Complete Power Package kit converts the 107" oil-cooled M8 to a big-bore setup with matched cam, oil pump, MLS gaskets and serviceable components.

€3,026.84 €3,805.17

124" Hot Set Up® Engine Performance Kit — 4.625" stroke, 4.125" bore, Wrinkle Black

-€1,328.72
Out of Stock

S&S CYCLE 124" Hot Set Up® Engine Performance Kit — 4.625" stroke,...

Converts stock engines to 124" for non-balanced Twin Cam models.
Complete kit with S&S heads, pistons, cams, tappets, pushrods, rocker arms, hardware and gaskets.
Made in the USA; EFI recalibration required. Fuel or ignition system not included.
Verify all clearances and assembly specifications before installation.

€5,168.44 €6,497.16

124" Hot Set Up® Engine Performance Kit — 4.625" stroke, 4.125" bore, Wrinkle Black powder-coated

-€1,565.85
Out of Stock

S&S CYCLE 124" Hot Set Up® Engine Performance Kit — 4.625" stroke,...

Complete kit to convert non-balanced Twin Cam engines to 124" using stock crankcases; includes S&S Super Stock® heads, 4.125" bore cylinders, forged pistons, 4.625" stroke flywheel, cams, tappets, pushrods, roller rocker arms, hardware and gaskets. Made in USA. EFI must be recalibrated.

€6,089.42 €7,655.27

$124\" Hot Set Up® Engine Performance Kit — 4.625\" stroke, 4.125\" bore, gear drive, Wrinkle Black$

-€1,476.03
Out of Stock

S&S CYCLE 124\" Hot Set Up® Engine Performance Kit — 4.625\" stroke,...

Complete kit to upgrade balanced Twin Cam engines — includes Super Stock heads, big bore cylinders, forged pistons, flywheel, cams, tappets, adjustable pushrods, rocker arms, hardware and instructions. EFI recalibration required.

€5,740.10 €7,216.13

106" Hot Set Up® Engine Performance Kit — 106", 3.927" bore, 4.375" stroke, 10.0:1

-€502.52
Out of Stock

S&S CYCLE 106" Hot Set Up® Engine Performance Kit — 106", 3.927" bore,...

Big-bore top-end kit that increases cooling and displacement. Includes cylinders, pistons with rings, top-end gasket kit, pushrods, tappets, chain-drive cams and instructions. EFI recalibration required; fuel system not included.

€1,954.24 €2,456.76

Sidewinder® Big Bore Stroker Engine Performance Kit — 96", 3.625" bore, 4.625" stroke

-€764.71
Out of Stock

S&S CYCLE Sidewinder® Big Bore Stroker Engine Performance Kit — 96",...

Complete Sidewinder Big Bore stroker kit with forged pistons, cast iron cylinders, balanced flywheel assembly and all required gaskets; made in U.S.A.

€2,973.88 €3,738.59

Sidewinder® Big Bore Stroker Engine Performance Kit — 93", 3.625" bore, 4.5" stroke

-€841.81
Out of Stock

S&S CYCLE Sidewinder® Big Bore Stroker Engine Performance Kit — 93",...

Comprehensive kit to upgrade a stock Shovelhead; includes cylinders, pistons, flywheel assembly, rods, pushrods, gaskets and a heavy-duty top motor mount.

€3,280.10 €4,121.91

Sidewinder® Big Bore Stroker Engine Performance Kit — 93", 3.625" bore, 4.5" stroke, Black

-€723.44
Out of Stock

S&S CYCLE Sidewinder® Big Bore Stroker Engine Performance Kit — 93",...

Comprehensive Sidewinder big-bore stroker kit to upgrade stock 74" or 80" H-D. Shovelhead engines; includes cylinders, forged pistons, balanced flywheel, heavy-duty rods, gaskets, and hardware. Made in the U.S.A.

€2,813.38 €3,536.82

100" Power Package Engine Performance Kit — 4.000" bore, 100" displacement, 10.5:1 compression

-€796.28
Out of Stock

S&S CYCLE 100" Power Package Engine Performance Kit — 4.000" bore, 100"...

Complete bolt-in engine performance kit from S&S. Includes cylinders, piston kits with pins and clips, Easy Start® cams, Quickee pushrods, TC3 cam support plate and oil pump, and precision hydraulic tappets. Made in USA. Not for '06 Dyna; '99–'04 Twin Cams need separate valve spring kit.

€3,096.60 €3,892.88

100" Power Package Engine Performance Kit — 100 ci, 4.000" bore, 10.5:1 compression

-€735.05
Out of Stock

S&S CYCLE 100" Power Package Engine Performance Kit — 100 ci, 4.000"...

Complete engine performance kit with cylinders, pistons, cams, pushrods, cam support plate, oil pump and precision hydraulic tappets. Made in the USA.

€2,858.49 €3,593.54

shop by category

Engine

Engine

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Contact us

Products

Our company

shop by category

Engine  

Engine

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Engine