Engine (10)

Big Bore Cylinder Kit — 95 cu in, 3.875 in bore, 4.0 in stroke, Silver

-€296.17
Out of Stock

S&S CYCLE Big Bore Cylinder Kit — 95 cu in, 3.875 in bore, 4.0 in...

High-quality Big Bore cylinder kit that installs without splitting cases. Includes cylinders, pistons, rings and gaskets; made in the USA.

€1,151.75 €1,447.92

-€135.51
Out of Stock

S&S CYCLE Gear for Gear-Driven Cams — Kit

Required four-gear set for gear-driven cams; includes secondary gears, outer drive and pinion, and mounting hardware. Check clearances and follow instructions.

€526.94 €662.45

Big Bore Cylinder Kit — 3.927" bore, 4.000" stroke, 97 cu in, Silver

-€281.61
Out of Stock

S&S CYCLE Big Bore Cylinder Kit — 3.927" bore, 4.000" stroke, 97 cu in,...

Big Bore Cylinder Kit. Easy swap installation; includes cylinders, pistons, rings and gaskets. Made in the USA. Requires a skilled technician.

€1,095.10 €1,376.71

Big Bore Cylinder Kit — 3.937" bore, 4.375" stroke, 107 cu in, Silver

-€310.73
Out of Stock

S&S CYCLE Big Bore Cylinder Kit — 3.937" bore, 4.375" stroke, 107 cu in,...

Durable Big Bore upgrade with premium aluminum cylinders and cast-in iron liners. Kit includes pistons, rings and gaskets. Made in the USA. Requires skilled installation.

€1,208.41 €1,519.14

Big Bore Cylinder Kit — 3.937" bore, 98 cu in, 4.000" stroke, 9.8:1, Black

-€310.73
Out of Stock

S&S CYCLE Big Bore Cylinder Kit — 3.937" bore, 98 cu in, 4.000" stroke,...

Big Bore Cylinder Kit: straightforward swap-in installation; includes cylinders, pistons, rings and gaskets. Requires a skilled technician.

€1,208.41 €1,519.14

Big Bore Cylinder Kit — 4.125" bore, 4.375" stroke, 117" displacement, Gray

-€361.71
Out of Stock

S&S CYCLE Big Bore Cylinder Kit — 4.125" bore, 4.375" stroke, 117"...

Straight-swap big bore kit that includes cylinders, pistons, rings and gaskets; requires a skilled technician.

€1,406.66 €1,768.37

-€361.71
Out of Stock

S&S CYCLE Big Bore Cylinder Kit — 4.125" bore, 4.625" stroke, 124 ci

Improved performance with an easy cylinder-swap installation. Kit includes pistons, rings and gaskets. Professional assembly recommended.

€1,406.66 €1,768.37

Big Bore Cylinder Kit — 4.125" bore, 4.625" stroke, 124 cu in, 11.4:1, black

-€361.71
Out of Stock

S&S CYCLE Big Bore Cylinder Kit — 4.125" bore, 4.625" stroke, 124 cu in,...

High-performance Big Bore cylinder kit that delivers reliable gains with a simple swap-in installation. Includes cylinders, pistons, rings and head, base and exhaust gaskets. Made in the USA. Professional installation recommended.

€1,406.66 €1,768.37

4-1/8" Bore Cylinder — 4.125" bore, 4.625" stroke, fits 124" Hot Set Up Kits ('99–'17 Twin Cams)

-€237.90
Out of Stock

S&S CYCLE 4-1/8" Bore Cylinder — 4.125" bore, 4.625" stroke, fits 124"...

Stock bolt pattern; bored slightly under nominal size and not honed; wrinkle black finish with machined edges; designed for 124" Hot Set Up Kits ('99-'17 Twin Cams); requires crankcase machining.

€925.17 €1,163.07

Stock Bore 80" Cylinder and Standard Compression Piston Kit — 80", 3.5" bore, 4-1/4" stroke, 8:1

-€336.69
Out of Stock

S&S CYCLE Stock Bore 80" Cylinder and Standard Compression Piston Kit —...

Direct-fit S&S cylinder and piston kit for 80" Shovelhead engines; maintains 8:1 compression. Includes cylinders, pistons, gaskets and hardware. Made in the U.S.A.

€1,309.34 €1,646.03

$Bore Cylinder and Stroker Piston Kit — 84\", 86\", 88\", 3.4375\" bore$

-€378.71
Out of Stock

S&S CYCLE Bore Cylinder and Stroker Piston Kit — 84\", 86\", 88\",...

Complete cylinder and piston kit for building or replacing 84", 86", or 88" stroker engines; includes pistons, rings, gaskets and hardware.

€1,472.75 €1,851.46

3-5/8" Big Bore Cylinder and Piston Kit — 3-5/8" bore, 88" displacement, 7.5:1 compression

-€394.56
Out of Stock

S&S CYCLE 3-5/8" Big Bore Cylinder and Piston Kit — 3-5/8" bore, 88"...

Complete 3-5/8" cylinder and piston kit for building an 88" engine or replacing cylinders in an S&S stock bore stroker setup. Includes cylinders, forged pistons, gaskets and hardware; crankcases must be bored and flywheel rebalanced.

€1,537.43 €1,931.99

Bolt-In Sidewinder® 4" Big Bore Kits — 4" bore, 100" displacement, 10.5:1 compression, Silver

-€352.00
Out of Stock

S&S CYCLE Bolt-In Sidewinder® 4" Big Bore Kits — 4" bore, 100"...

Bolt-in big bore kits that raise displacement for strong streetable power; complete kits include pistons, rings and gaskets.

€1,368.90 €1,720.90

Bolt-In Sidewinder® 4" Big Bore Kits — 110", 4" bore, 4-3/8" stroke, 10.5:1 compression

-€517.22
Out of Stock

S&S CYCLE Bolt-In Sidewinder® 4" Big Bore Kits — 110", 4" bore, 4-3/8"...

Complete bolt-in cylinder and piston kit that increases displacement and torque; includes cylinders, forged pistons, rings, pins, clips and gaskets. Not for use with S&S 79cc heads.

€1,461.65 €1,978.87

Bolt-In Sidewinder® 4" Big Bore Kits — 110", 4" bore, 4-3/8" stroke

-€339.53
Out of Stock

S&S CYCLE Bolt-In Sidewinder® 4" Big Bore Kits — 110", 4" bore, 4-3/8"...

Bolt-in installation—no machining, balancing or splitting crankcases; cast ductile iron sleeve in cast aluminum for superior heat transfer; complete kit includes cylinders, forged pistons, rings, piston pins, clips and gaskets; not for use with S&S 79cc heads.

€1,323.00 €1,662.53

Big Bore Cylinder Kit — 4.320" bore, 4.500" stroke, 132 cu in, 11.0:1, Wrinkle Black

-€327.94
Out of Stock

S&S CYCLE Big Bore Cylinder Kit — 4.320" bore, 4.500" stroke, 132 cu in,...

Complete bolt-on cylinder kit with MLS head gaskets and all required gaskets and hardware included; retains stock engine height.

€1,275.33 €1,603.27

Big Bore Cylinder Kit — 4.320" bore, 4.500" stroke, 132 cu in, Highlighted Fins, Black Granite

-€349.81
Out of Stock

S&S CYCLE Big Bore Cylinder Kit — 4.320" bore, 4.500" stroke, 132 cu in,...

Bolt-on cylinder kit installs without machining the crankcase. Retains original engine serial numbers and stock engine height. Includes MLS head gaskets, cam cover badge, and all installation hardware. Made in USA.

€1,360.35 €1,710.16

Replacement Gasket kit for Rocker box — 90-4091, Kit

-€19.48
Out of Stock

S&S CYCLE Replacement Gasket kit for Rocker box — 90-4091, Kit

Direct-fit replacement gasket kit for rocker box to prevent oil leaks and restore the seal.

€75.75 €95.23

-€48.12
Out of Stock

S&S CYCLE Gasket Kit — 3.500" bore, Top End

Premium top-end gasket kit. Made in the USA. Rocker box gaskets sold separately.

€187.12 €235.24

-€43.30
Out of Stock

S&S CYCLE Gasket Kit — 3.625" bore, Top End

Premium gaskets made in the USA. Does not include rocker box gaskets; purchase separately.

€168.40 €211.70

-€38.02
Out of Stock

S&S CYCLE Top End Gasket Kit — Bore 3.625"

Complete top-end gasket kit with head, base and exhaust gaskets plus O-rings. Made in the U.S.A. Rocker box gaskets sold separately.

€107.48 €145.50

-€21.42
Out of Stock

S&S CYCLE Gasket Kit — 4.000" bore, Top End

High-quality gasket kit made in the USA. Rocker box gaskets sold separately.

€83.48 €104.90

-€60.98
Out of Stock

S&S CYCLE Gasket Kit — 3.875" bore, Top End

High-quality top-end gasket kit. Made in the United States. Rocker box gaskets sold separately.

€76.61 €137.59

-€26.46
Out of Stock

S&S CYCLE Gasket Kit — 3.500" bore, Top end

High-quality gasket kit for top-end rebuilds. Rocker box gaskets sold separately.

€102.90 €129.36

-€31.71
Out of Stock

S&S CYCLE Breather Gear — S&S CYCLE, P/N 33-4246, Steel

All-steel construction with welded-in screen and higher flow than stock. Elongated breather pocket scavenge hole increases suction. Made in USA.

€123.33 €155.04

-€30.62
Out of Stock

S&S CYCLE Steel Rotary Breather Gear — Oversized (+0.03")

High-flow rotary breather gear with welded-in screen and elongated scavenge hole for increased suction.

€119.07 €149.69

-€86.91
Out of Stock

S&S CYCLE Billet Oil Pump Kit — 31-6205

Complete billet oil pump kit with universal cover, supply and return gears, drive shaft hardware, .300" shorter relief towers, accepts 3/8" rubber oil lines. Made in the U.S.A.

€337.98 €424.89

-€141.50
Out of Stock

S&S CYCLE Oil Pump Kit — S&S CYCLE 31-6293

Complete replacement oil pump kit with cover, gears, shafts, valves, fittings and gaskets; accepts OEM steel oil lines and late-style bolt pattern.

€550.26 €691.76

-€6.10
Out of Stock

S&S CYCLE Oil Pump Idler Gear — S&S CYCLE 31-6016

Idler gear designed for oil pumps on Big Twin models to restore proper pump operation.

€23.69 €29.79

-€5.29
Out of Stock

S&S CYCLE Oil Pump Drive Gear — Fits Big Twin, S&S CYCLE 31-6013

Oil pump drive gear for Big Twin models. Precision machined replacement for reliable oil pump operation.

€20.57 €25.86

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