Engine (13)

Big Bore Cylinder Set — 4.250" bore, Black Granite

On sale!
-€144.62

S&S CYCLE Big Bore Cylinder Set — 4.250" bore, Black Granite

Bolt-on design for straightforward installation.

Bored slightly under nominal size; not honed.

Made in the USA.

Manufacturer recommends specific head bolts for big bore applications.

€562.43 €707.05

Big Bore Cylinder Kit — 4.320" bore, 4.375" stroke, 129" displacement

-€327.94

S&S CYCLE Big Bore Cylinder Kit — 4.320" bore, 4.375" stroke, 129"...

Bolt-on cylinder kit that retains original engine serial numbers and includes MLS head gaskets, all installation hardware, and a cam cover badge.

€1,275.33 €1,603.27

Big Bore Cylinder Kit — 129 cu in, 4.320" bore, 4.375" stroke, Wrinkle Black

-€365.42

S&S CYCLE Big Bore Cylinder Kit — 129 cu in, 4.320" bore, 4.375" stroke,...

Bolt-on cylinder kit with MLS head gaskets and complete installation hardware included.

€1,423.84 €1,789.26

-€327.94

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

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

€1,275.33 €1,603.27

-€335.09

S&S CYCLE 136" Big Bore Cylinder Kit — 4.625" stroke

Bolt-on cylinder kit with MLS head gaskets and cam cover badge. Stroker flywheel sold separately. Made in USA.

€1,305.66 €1,640.75

-€335.09

S&S CYCLE 136" Big Bore Cylinder Kit — Stroke 4.625", Bore 4.320"

Bolt-on kit that increases displacement without case machining. Includes MLS head gaskets and cam cover badge. Requires S&S stroker flywheel (sold separately). Made in the USA.

€1,305.66 €1,640.75

-€17.97

S&S CYCLE Lower End Gasket Kit — For S&S Super Stock '70–'91 Big Twin

High-quality lower end gasket kit made in the U.S.A. for reliable sealing and long service life.

€50.76 €68.73

-€10.82

S&S CYCLE Lower End Gasket Kit — S&S CYCLE 31-2067

Complete lower end gasket kit for sealing lower engine assemblies. Contains the best quality gaskets available. Made in the U.S.A.

€42.07 €52.89

-€18.03

S&S CYCLE Dual Spray Piston Cooling Jet Kit — 6061-T6 aluminum, anodized

Dual Spray jet kit redirects oil to evenly cool intake and exhaust piston faces; shortened nozzles for extra rod clearance; includes gaskets and hardware.

€70.24 €88.27

Replacement High Volume/High Pressure Polished Billet Oil Pump Gasket Kit — S&S CYCLE, P/N 31-6299

-€3.45

S&S CYCLE Replacement High Volume/High Pressure Polished Billet Oil Pump...

Complete replacement gasket kit for high-volume, high-pressure polished billet oil pump applications; includes all seals for installation.

€13.64 €17.09

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

-€19.48

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

-€15.15

S&S CYCLE Rocker Cover Gasket Kit — Rocker Box

Complete gasket and O-ring set for both rocker boxes; prevents oil leaks.

€58.91 €74.06

-€21.42

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

-€21.64

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

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

€84.17 €105.81

-€1.02

S&S CYCLE Oil Pump Relief Valve Spring — Steel, Black

Increases oil pressure 2–3 psi while preserving bearing lubrication. Durable design and easy to install.

€3.99 €5.01

-€99.04

S&S CYCLE TC3 Oil Pump — Blue

Three-stage TC3 oil pump with separate scavenge sections, debris protection, and tolerance for pinion shaft run-out. Made in USA.

€385.15 €484.19

-€165.74

S&S CYCLE TC3 Oil Pump and Cam Support Plate Kit — Aluminum, Blue

Complete TC3 oil pump and cam support plate kit with separate scavenge sections, magnetic debris trap, adjustable pressure regulator, and serviceable passage plugs.

€644.55 €810.29

TC3 Oil Pump and Cam Support Plate Kit — Blue

-€165.74

S&S CYCLE TC3 Oil Pump and Cam Support Plate Kit — Blue

Precision CNC forged construction increases structural strength and stability. Serviceable scavenge sections and magnetic pickup protect rotors; adjustable pressure regulator for easy tuning. Made in the U.S.A.

€644.55 €810.29

-€32.94

S&S CYCLE Steel Rotary Breather Gear — Steel

Rotary breather gear with welded-in screen and higher flow than stock. Elongated scavenge hole for increased suction.

€128.34 €161.28

-€24.48

S&S CYCLE Steel Rotary Breather Gear — PN 33-4241

Rotary breather with welded-in screen, higher flow than stock, and an elongated scavenge hole for increased suction.

€95.19 €119.67

-€40.53

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

All-steel rotary breather gear with welded-in screen, higher flow than stock, and elongated scavenge hole for improved ventilation.

€157.66 €198.19

-€7.37

S&S CYCLE Breather Gear Spacing Shim Kit — 0.100"–0.170"

Includes one shim of each thickness from 0.100" to 0.170" for precise breather gear spacing. Made in the USA.

€28.69 €36.06

-€86.91

S&S CYCLE Billet Oil Pump Kit — Universal cover

Complete billet oil pump kit with universal top-and-bottom-feed cover and all mounting and sealing hardware for custom installations.

€337.98 €424.89

-€105.97

S&S CYCLE Oil Pump Kit — S&S CYCLE, 31-6214

HVHP oil pump kit increases oil volume on both supply and return sides; supply gears are 9% wider and return gears 28% wider than stock. Available in universal and standard styles. Kits include gears, drive shaft components, check ball and springs, cover screws with O-rings, fittings, gaskets, mounting hardware, breather gear and instructions. Oil pump only option available.

€412.09 €518.06

-€8.33

S&S CYCLE Pinion Gear Nut — S&S Cycle, 33-4254, Steel

Direct replacement for the stock pinion gear nut.

€32.40 €40.73

-€6.26

S&S CYCLE Billet Oil Pump Rebuild Kit — S&S CYCLE, 31-6275

Complete master rebuild kit for oil pumps with precision parts and seals. Made in the U.S.A.

€24.34 €30.60

-€143.75

S&S CYCLE Billet Oil Pump Kit — Standard Cover

Precision billet oil pump kit with universal cover options, shorter pressure relief towers, and acceptance of 3/8" rubber oil lines.

€565.93 €709.68

-€7.82

S&S CYCLE Billet Oil Pump Rebuild Kit — 31-6278

Complete master rebuild kit with precision components and seals; made in the U.S.A.

€30.44 €38.26

-€2.36

S&S CYCLE Plug — NPT, 10 pack, Big Twin/XL fitment

OEM replacement NPT plug for Big Twin/XL oil pumps.

€9.17 €11.53

-€3.27

S&S CYCLE Fitting — 50-8113

45° pipe fitting for oil and breather line connections. Used on big twin crankcase flywheel cavity breather lines.

€12.86 €16.13

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