Harley Flywheel and Rod Assemblies
Harley Bike Flywheel & Rod Assemblies at JJ Motorsports
Rebuild your Harley’s bottom end with premium S&S flywheel and connecting rod assemblies from JJ Motorsports, featuring balanced, stroker-ready designs for massive torque and reliability on Big Twin, Evo, Twin Cam, and Shovelhead engines. These precision-machined assemblies deliver smooth power and long-term durability.
Shop S&S Cycle flywheels for legendary performance. Explore related categories such as Harley engine for bearings and cases, or Harley for pistons and cams to complete your stroker or stock rebuild.
Top Harley Flywheel & Rod Assemblies
- S&S Cycle Flywheel Assembly 32-2145 – Complete balanced assembly with rods; stock stroke replacement for Evo and Twin Cam Big Twins.
- S&S Cycle Flywheel 4-1/4" Big Twin 32-2235 – 4.250" stroke flywheel set; perfect for 107–113ci builds on Big Twin engines.
- S&S Cycle Flywheel 84" Stroker 32-2222 – 84" stroker assembly with H-beam rods; classic 4-5/8" stroke for Shovelhead and Evo rebuilds.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
S&S CYCLE Flywheel Assembly 320-0604
S&S CYCLE
$1,999.95S&S CYCLE Flywheel Assembly 320-0604Made of high-strength forged steel and designed for stock and high-performance custom applications, Special keyed 6° large diameter tapered sprocket shaft that provides more contact area for increased strength,...09220167- SKU:
- 09220167
- Availability:
- Ships Same Business Day
- Weight:
- 42.90 LBS
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- FEATURES:
- FULL WRIST PIN
- STROKE LENGTH IMPERIAL:
- 4-3/8'
$1,999.95 -
S&S CYCLE Flywheel Assembly 320-0605
S&S CYCLE
$1,999.95S&S CYCLE Flywheel Assembly 320-0605Made of high-strength forged steel and designed for stock and high-performance custom applications, Special keyed 6° large diameter tapered sprocket shaft that provides more contact area for increased strength,...09220168- SKU:
- 09220168
- Availability:
- Ships Same Business Day
- Weight:
- 46.90 LBS
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- FEATURES:
- FULL WRIST PIN
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$1,999.95 -
S&S CYCLE Flywheel Assembly - Big Twin 32-2239
S&S CYCLE
$1,599.95S&S CYCLE Flywheel Assembly Big Twin 32-2239Made of high-strength forged steel and designed for stock and high-performance custom applications, Special keyed 6° large diameter tapered sprocket shaft that provides more contact area for increased strength,...09210250- SKU:
- 09210250
- Availability:
- Ships Same Business Day
- Weight:
- 36.75 LBS
- ENGINE TYPE:
- 4-STROKE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-1/4'
$1,599.95 -
S&S CYCLE Flywheel - Stroker - Twin Cam 320-0361
S&S CYCLE
$1,713.95S&S CYCLE Flywheel Stroker Twin Cam 320-0361S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin, Flywheel assemblies are designed for use with Timken bearing conversion, Fit...09210524- SKU:
- 09210524
- Availability:
- Ships Same Business Day
- Weight:
- 39.40 LBS
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- ENGINE TYPE:
- 'A' MOTOR
- FEATURES:
- WITHOUT SPROCKET BEARING RACE
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- RIDING STYLE:
- STREET
- MATERIAL:
- STEEL
- UNITS:
- EACH
$1,713.95 -
S&S CYCLE Motor Sprocket Shaft Assembly '36-'51 Big Twin 33-2001
S&S CYCLE
$183.95S&S CYCLE Motor Sprocket Shaft Assembly '36-'51 Big Twin 33-2001Include tapered shaft, nut and keys, For use with standard diameter bearing, Made in the U.S.A09210556- SKU:
- 09210556
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- PRODUCT NAME:
- SPROCKET SHAFT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$183.95 -
S&S CYCLE Flywheel - Stroker - Twin Cam 320-0396
S&S CYCLE
$1,795.95S&S CYCLE Flywheel Stroker Twin Cam 320-0396S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin, Flywheel assemblies are designed for use with Timken bearing conversion, Fit...09220120- SKU:
- 09220120
- Availability:
- Ships Same Business Day
- Weight:
- 38.73 LBS
- FEATURES:
- WITH SPROCKET BEARING RACE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
- ENGINE TYPE:
- 'B' MOTOR
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4'
$1,795.95 -
S&S CYCLE Flywheel - Stroker - Twin Cam 320-0352
S&S CYCLE
$1,795.95S&S CYCLE Flywheel Stroker Twin Cam 320-0352S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin, Flywheel assemblies are designed for use with Timken bearing conversion, Fit...09220121- SKU:
- 09220121
- Availability:
- Ships Same Business Day
- Weight:
- 38.73 LBS
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- ENGINE TYPE:
- 'A' MOTOR
- FEATURES:
- WITH SPROCKET BEARING RACE
- MATERIAL:
- STEEL
$1,795.95 -
S&S CYCLE Flywheel - Stroker - Twin Cam 320-0358
S&S CYCLE
$1,795.95S&S CYCLE Flywheel Stroker Twin Cam 320-0358S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin, Flywheel assemblies are designed for use with Timken bearing conversion, Fit...09220122- SKU:
- 09220122
- Availability:
- Ships Same Business Day
- Weight:
- 39.44 LBS
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
- FEATURES:
- WITH SPROCKET BEARING RACE
- MATERIAL:
- STEEL
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- ENGINE TYPE:
- 'B' MOTOR
- RIDING STYLE:
- STREET
$1,795.95 -
S&S CYCLE Flywheel - Stroker - Twin Cam 320-0351
S&S CYCLE
$1,759.95S&S CYCLE Flywheel Stroker Twin Cam 320-0351S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin, Flywheel assemblies are designed for use with Timken bearing conversion, Fit...09220123- SKU:
- 09220123
- Availability:
- Ships Same Business Day
- Weight:
- 39.20 LBS
- MATERIAL:
- STEEL
- FEATURES:
- WITHOUT SPROCKET BEARING RACE
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
- ENGINE TYPE:
- 'A' MOTOR
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
$1,759.95 -
S&S CYCLE NUT,PINION GEAR,5/8-24 ,B 33-4244
S&S CYCLE
$53.95S&S CYCLE NUT,PINION GEAR,5/8-24 ,B 33-4244OEM or better quality, Made in the U.S.A.09500808- SKU:
- 09500808
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CRANKPIN NUT
$53.95 -
S&S CYCLE Flywheel Assembly - Twin Cam 320-0353
S&S CYCLE
$1,759.95S&S CYCLE Flywheel Assembly Twin Cam 320-0353S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin, Flywheel assemblies are designed for use with Timken bearing conversion, Fit...09220111- SKU:
- 09220111
- Availability:
- Ships Same Business Day
- Weight:
- 37.07 LBS
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- ENGINE TYPE:
- 'A' MOTOR
- MATERIAL:
- STEEL
- FEATURES:
- WITHOUT SPROCKET BEARING RACE
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
$1,759.95 -
S&S CYCLE Flywheel Assembly - Twin Cam 320-0359
S&S CYCLE
$1,764.95S&S CYCLE Flywheel Assembly Twin Cam 320-0359S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin, Flywheel assemblies are designed for use with Timken bearing conversion, Fit...09220112- SKU:
- 09220112
- Availability:
- Ships Same Business Day
- Weight:
- 39.20 LBS
- ENGINE TYPE:
- 'B' MOTOR
- MATERIAL:
- STEEL
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- FEATURES:
- WITHOUT SPROCKET BEARING RACE
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
$1,764.95 -
S&S CYCLE Flywheel Assembly - Twin Cam 320-0403
S&S CYCLE
$1,713.95S&S CYCLE Flywheel Assembly Twin Cam 320-0403S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin, Flywheel assemblies are designed for use with Timken bearing conversion, Fit...09220113- SKU:
- 09220113
- Availability:
- Ships Same Business Day
- Weight:
- 38.50 LBS
- FEATURES:
- WITHOUT SPROCKET BEARING RACE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
- ENGINE TYPE:
- 'A' MOTOR
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4'
$1,713.95 -
S&S CYCLE Flywheel Assembly - Twin Cam 320-0397
S&S CYCLE
$1,744.95S&S CYCLE Flywheel Assembly Twin Cam 320-0397S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin, Flywheel assemblies are designed for use with Timken bearing conversion, Fit...09220114- SKU:
- 09220114
- Availability:
- Ships Same Business Day
- Weight:
- 38.84 LBS
- FEATURES:
- WITHOUT SPROCKET BEARING RACE
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- MATERIAL:
- STEEL
- UNITS:
- EACH
- ENGINE TYPE:
- 'B' MOTOR
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4'
$1,744.95 -
S&S CYCLE Stroker Kit - 106" 320-0450
S&S CYCLE
$1,744.95S&S CYCLE Stroker Kit 106" 320-0450Feature three-piece assembled flywheels with shafts, Do not require any motor case modification, 4-1/2" stroke, 103" stock motors or motors with factory 95" kits require piston kit only; stock or S&S cylinder heads can...09220115- SKU:
- 09220115
- Availability:
- Ships Same Business Day
- Weight:
- 39.32 LBS
- DISPLACEMENT:
- 106'
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- FEATURES:
- WITHOUT SPROCKET BEARING RACE
- TYPE:
- STROKER
- STROKE LENGTH IMPERIAL:
- 4-1/2'
$1,744.95 -
S&S CYCLE Stroker Kit - 106" 320-0460
S&S CYCLE
$1,713.95S&S CYCLE Stroker Kit 106" 320-0460Feature three-piece assembled flywheels with shafts, Do not require any motor case modification, 4-1/2" stroke, 103" stock motors or motors with factory 95" kits require piston kit only; stock or S&S cylinder heads can...09220117- SKU:
- 09220117
- Availability:
- Ships Same Business Day
- Weight:
- 39.20 LBS
- DISPLACEMENT:
- 106'
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- RIDING STYLE:
- STREET
- FEATURES:
- WITHOUT SPROCKET BEARING RACE
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- TYPE:
- STROKER
- ENGINE TYPE:
- 4-STROKE
- UNITS:
- EACH
$1,713.95 -
S&S CYCLE Stroker Kit - 106" 320-0454
S&S CYCLE
$1,744.95S&S CYCLE Stroker Kit 106" 320-0454Feature three-piece assembled flywheels with shafts, Do not require any motor case modification, 4-1/2" stroke, 103" stock motors or motors with factory 95" kits require piston kit only; stock or S&S cylinder heads can...09220118- SKU:
- 09220118
- Availability:
- Ships Same Business Day
- Weight:
- 39.45 LBS
- FEATURES:
- WITHOUT SPROCKET BEARING RACE
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- TYPE:
- STROKER
- DISPLACEMENT:
- 106'
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- RIDING STYLE:
- STREET
- ENGINE TYPE:
- 4-STROKE
- UNITS:
- EACH
$1,744.95 -
S&S CYCLE Flywheel - Stroker - Twin Cam 320-0402
S&S CYCLE
$1,744.95S&S CYCLE Flywheel Stroker Twin Cam 320-0402S&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature a larger 1.671" crankpin, Flywheel assemblies are designed for use with Timken bearing conversion, Fit...09220119- SKU:
- 09220119
- Availability:
- Ships Same Business Day
- Weight:
- 38.60 LBS
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4'
- ENGINE TYPE:
- 'A' MOTOR
- FEATURES:
- WITH SPROCKET BEARING RACE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
$1,744.95
