Engine (4)

Replacement Ring Set for S&S Pistons — bore 4.125", piston +0.010"

-€19.40

S&S CYCLE Replacement Ring Set for S&S Pistons — bore 4.125", piston...

Replacement ring set for compatible pistons. Comes as a set for two pistons. Made in the USA.

€75.48 €94.88

-€27.67
Out of Stock

S&S CYCLE Replacement Rings 4" — moly-coated

Replacement piston rings for Side Winder pistons. Precision fit with a wear‑resistant coating for durable sealing.

€107.84 €135.51

-€116.51

S&S CYCLE Piston Kit 106" Stroker — 106", 4.5" stroke, 3.875" bore

Complete piston kit with pistons, rings, wrist pins and clips; compatible with stock and S&S Super Stock® heads. Made in the USA.

€453.14 €569.65

-€55.92
Out of Stock

JIMS Piston Oiling Jet Kit — Silver

High-flow piston oiling jet kit designed for stock and high-performance flywheels; modified for stroker applications. Made in the U.S.A.

€217.44 €273.36

-€3.61
Out of Stock

EASTERN MOTORCYCLE PARTS Dowel Pins — 10-pack

Precision dowel pins for crankcase and motor transmission case applications. Made in the USA.

€10.19 €13.80

Left Side Crankcase Bearing Spacers — 0.0895" - 0.0905", Chrome, 5-pack

-€5.21

EASTERN MOTORCYCLE PARTS Left Side Crankcase Bearing Spacers — 0.0895" - 0.0905",...

High-quality OEM replacement bearing spacers for left-side crankcase applications. Made in the USA.

€14.74 €19.95

Left Side Crankcase Bearing Spacers — 0.0975"–0.0985", 5-pack, Chrome

-€5.21

EASTERN MOTORCYCLE PARTS Left Side Crankcase Bearing Spacers — 0.0975"–0.0985", 5-pack,...

High-quality OEM replacement left-side crankcase bearing spacers. Made in the USA.

€14.74 €19.95

Left Side Crankcase Bearing Spacers — 0.1015"–0.1025", 5-pack, Chrome

-€5.21

EASTERN MOTORCYCLE PARTS Left Side Crankcase Bearing Spacers — 0.1015"–0.1025", 5-pack,...

High-quality OEM replacement bearing spacers for the left-side crankcase. Made in the U.S.A.

€14.74 €19.95

Left Side Crankcase Bearing Spacers — 0.1035"–0.1045", 5 pack, Chrome

-€5.21

EASTERN MOTORCYCLE PARTS Left Side Crankcase Bearing Spacers — 0.1035"–0.1045", 5 pack,...

Precision left-side crankcase bearing spacers for restoring correct bearing preload and axial clearance. High-quality OEM replacement made in the USA.

€14.74 €19.95

-€5.21

EASTERN MOTORCYCLE PARTS Left Side Crankcase Bearing Spacers — 0.1055"–0.1065", 5 Pack

High-quality OEM replacement spacers for left-side crankcase bearings. Made in the USA.

€14.74 €19.95

Left Side Crankcase Bearing Spacers — 0.1075"–0.1085", 5 pack, Chrome

-€5.21

EASTERN MOTORCYCLE PARTS Left Side Crankcase Bearing Spacers — 0.1075"–0.1085", 5 pack,...

OEM-quality left-side crankcase bearing spacers. Made in the USA.

€14.74 €19.95

$Left Side Crankcase Bearing Spacers — 0.1095\"–0.1105\", 5-pack$

-€5.21

EASTERN MOTORCYCLE PARTS Left Side Crankcase Bearing Spacers — 0.1095\"–0.1105\", 5-pack

OEM replacement spacers for left-side crankcase applications. Made in the USA.

€14.74 €19.95

-€5.21

EASTERN MOTORCYCLE PARTS Left Side Crankcase Bearing Spacers — 0.1115"-0.1125", 5 pack

OEM-quality left-side crankcase bearing spacers, built in the USA for reliable fit and durability.

€14.74 €19.95

Left Side Crankcase Bearing Spacers — 0.1135"–0.1145", 5 Pack, Chrome

-€5.21

EASTERN MOTORCYCLE PARTS Left Side Crankcase Bearing Spacers — 0.1135"–0.1145", 5 Pack,...

High-quality OEM replacement components.

Made in the USA.

Sold in multi-packs for value.

€14.74 €19.95

Left Side Crankcase Bearing Spacers — 0.1155"–0.1165", 5 pack, Chrome

-€5.21

EASTERN MOTORCYCLE PARTS Left Side Crankcase Bearing Spacers — 0.1155"–0.1165", 5 pack,...

High-quality OEM replacement components. Made in the USA.

€14.74 €19.95

Left Side Crankcase Bearing Spacers — 0.1175"–0.1185", 5 pack, Chrome

-€5.21

EASTERN MOTORCYCLE PARTS Left Side Crankcase Bearing Spacers — 0.1175"–0.1185", 5 pack,...

High-quality OEM replacement components for left side crankcase bearing spacers.

Made in the USA.

€14.74 €19.95

Left Side Crankcase Bearing Spacers — 0.1195–0.1205" diameter, 5-pack

-€5.21

EASTERN MOTORCYCLE PARTS Left Side Crankcase Bearing Spacers — 0.1195–0.1205" diameter,...

High-quality OEM left-side crankcase bearing spacers manufactured in the USA for reliable fit and durability.

€14.74 €19.95

-€4.64

EASTERN MOTORCYCLE PARTS Dowel Pins — 0.394" x 0.375" L, 10 pack

Replacement dowel pins for precise alignment and secure assembly.

€13.14 €17.78

-€4.64

EASTERN MOTORCYCLE PARTS Dowel Pins — 0.374" x 0.400" L, 10 Pack

Replacement dowel pins for precise alignment and secure fit.

€13.14 €17.78

-€423.64

S&S CYCLE Engine Case — 4.125" bore, Super Stock® T2, Wrinkle Black

Replacement Twin Cam "A" engine case for stock H-D chassis (carb and EFI). Stronger construction than stock crankcases. O-ring sealed passages and Timken®-style bearings. Includes crankcase breather reed valve. Made in the USA.

€1,647.49 €2,071.13

-€512.23

S&S CYCLE Super Stock® Generator Engine Case — Generator, Natural

Complete Super Stock® generator engine case kit machined for 3.4375" cylinders; includes fittings, Timken® sprocket bearing assembly and installation instructions. Made in the USA.

€1,992.01 €2,504.24

Super Stock® Alternator Style Engine Case — 3.5" bore, fits up to 5" stroke, EFI-ready, black powder-coated

-€438.33

S&S CYCLE Super Stock® Alternator Style Engine Case — 3.5" bore, fits up...

Precision-machined alternator-style engine case; front oil-filter ready, EFI-capable, includes complete hardware kit and bearings; made in USA.

€1,704.63 €2,142.96

-€411.39

S&S CYCLE Engine Case — 3.750", Super Stock®, Powder-coated Wrinkle Black

Direct-replacement Twin Cam "A" engine cases for stock H-D chassis (carb and EFI). Increased strength over stock, O-ring sealed passages, and Timken-style sprocket shaft bearings. Compatible with most stock components. Requires a skilled technician for assembly.

€1,599.88 €2,011.27

-€415.13

S&S CYCLE Crankcase for Dyna — 3.937" bore, Wrinkle Black powder-coat

Stock-looking, reinforced crankcase for Dyna; ready for custom builds or T111/T124/T143 replacement. Includes pinion and Timken® bearing; MSO included.

€1,614.36 €2,029.49

Crankcase for Dyna — 4.125" bore, clearanced for 4-3/16" stroke, wrinkle black powder coat

-€419.97

S&S CYCLE Crankcase for Dyna — 4.125" bore, clearanced for 4-3/16"...

Durable replacement crankcase with reinforced mounts, installed bearings and pinion, MSO included. Clearanced for big-stroke builds; requires oil supply line kit.

€1,633.25 €2,053.22

-€425.79

S&S CYCLE Special Application Crankcase — Natural finish, Kit, 31-0047

High-performance crankcase for large-bore engines: accepts 4.000" bores, clearanced for up to 5.000" stroke; deck height 5.875"; machined for crank position sensor; made in USA.

€1,659.14 €2,084.93

-€524.05

S&S CYCLE Engine Case — 4.125" bore, 88 A Engine, Wrinkle Black

Replacement Twin Cam "A" engine cases for stock H-D chassis (carb and EFI). Greater overall strength than stock crankcases. Timken-style sprocket shaft bearings. O-ring sealed passages. Includes S&S crankcase breather reed valve. Rear motor mount bolts to stock transmission. Made in the USA. Requires a skilled technician to verify clearances and assembly specs.

€2,037.94 €2,561.99

-€39.26

S&S CYCLE Crankpin Assembly — 34-2003, Standard

Includes crankpin, nuts and key; fits stock and S&S flywheels. Made in the USA.

€152.72 €191.98

-€39.26

S&S CYCLE Crankpin Assembly — Oversize (+0.001")

Replacement crankpin assembly — includes crankpin, nuts and key. Made in the USA.

€152.72 €191.98

-€39.26

S&S CYCLE Crankpin Assembly — Oversize +0.001"

Complete crankpin kit for stock and S&S flywheels; includes crankpin, nuts and key. Made in the USA.

€152.72 €191.98

shop by category

Engine

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Contact us

Products

Our company

shop by category

Engine  

Subcategories

Complete Engines

Performance Kits

Internal Parts

Cooling

Gaskets & O-Rings

Camshafts

Engine