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
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EASTERN MOTORCYCLE PARTS Shaft Sprocket A-24001-72
EASTERN MOTORCYCLE PARTS
$165.95High-quality precision-manufactured shafts, Made in the U.S.A.09220133- SKU:
- 09220133
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- UNITS:
- EACH
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPROCKET SHAFT
$165.95 -
EASTERN MOTORCYCLE PARTS Flywheel Washers A-6506B
EASTERN MOTORCYCLE PARTS
$34.95Replacement-type made from top-quality bronze and designed to meet or exceed OEM specifications, Made in the U.S.A.09220110- SKU:
- 09220110
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- THRUST WASHER
- SIZE IMPERIAL:
- +0.005'
- TYPE:
- FLYWHEEL
- UNITS:
- PAIR
- MATERIAL:
- BRONZE
- RIDING STYLE:
- STREET
$34.95 -
S&S CYCLE Flywheel - Stroker - Twin Cam 320-0355
S&S CYCLE
$1,794.95S&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 directly in stock crankcases with no...09220143- SKU:
- 09220143
- Availability:
- Ships Same Business Day
- Weight:
- 39.30 LBS
- FEATURES:
- WITHOUT SPROCKET BEARING RACE
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- MATERIAL:
- STEEL
- UNITS:
- EACH
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- ENGINE TYPE:
- 'B' MOTOR
- RIDING STYLE:
- STREET
$1,794.95 -
S&S CYCLE Flywheel Assembly 32-2145
S&S CYCLE
$1,595.95Made 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, Standard S&S tapered crankpin and pinion...09220146- SKU:
- 09220146
- Availability:
- Ships Same Business Day
- Weight:
- 39.90 LBS
- UNITS:
- EACH
- ENGINE TYPE:
- 4-STROKE
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-1/4'
$1,595.95 -
S&S CYCLE Flywheel Assembly - Big Twin 32-2230
S&S CYCLE
$1,595.95Made 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, Standard S&S tapered crankpin and pinion...09220147- SKU:
- 09220147
- Availability:
- Ships Same Business Day
- Weight:
- 37.26 LBS
- ENGINE TYPE:
- 4-STROKE
- UNITS:
- EACH
- MATERIAL:
- STEEL
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- RIDING STYLE:
- STREET
$1,595.95 -
S&S CYCLE Flywheel - 4-1/4" - Big Twin 32-2235
S&S CYCLE
$1,595.95The exact same assembly used in S&S SH80 Alternator engines, Can be used to overhaul an S&S engine or to build a custom engine using similar crankcases and pistons, Features 4-1/4" stroke, 8-1/2" diameter flywheels, and 7.440" connecting rods, Made in...09220148- SKU:
- 09220148
- Availability:
- Ships Same Business Day
- Weight:
- 36.89 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
- MATERIAL:
- FORGED STEEL
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-1/4'
$1,595.95 -
S&S CYCLE Stroker Kit - 4-1/2" - Twin Cam 320-0459
S&S CYCLE
$1,695.95Feature 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 be used, Stock cylinders will...09220149- SKU:
- 09220149
- Availability:
- Ships Same Business Day
- Weight:
- 39.49 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
- FEATURES:
- WITH SPROCKET BEARING RACE
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- DISPLACEMENT:
- 106'
- RIDING STYLE:
- STREET
- TYPE:
- STROKER
$1,695.95 -
S&S CYCLE Flywheel - Twin Cam 320-0464
S&S CYCLE
$1,695.95S&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 directly in stock crankcases with no...09220150- SKU:
- 09220150
- Availability:
- Ships Same Business Day
- Weight:
- 39.24 LBS
- ENGINE TYPE:
- S&S MOTOR
- MATERIAL:
- STEEL
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
- FEATURES:
- WITHOUT SPROCKET BEARING RACE
- RIDING STYLE:
- STREET
$1,695.95 -
S&S CYCLE Flywheel - Twin Cam 320-0475
S&S CYCLE
$1,695.95S&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 directly in stock crankcases with no...09220151- SKU:
- 09220151
- Availability:
- Ships Same Business Day
- Weight:
- 39.04 LBS
- ENGINE TYPE:
- S&S MOTOR
- FEATURES:
- WITHOUT SPROCKET BEARING RACE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$1,695.95 -
S&S CYCLE Flywheel - 4-5/8" - SE120R 320-0523
S&S CYCLE
$1,695.95S&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 directly in stock crankcases with no...09220152- SKU:
- 09220152
- Availability:
- Ships Same Business Day
- Weight:
- 39.30 LBS
- FEATURES:
- WITHOUT SPROCKET BEARING RACE
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- ENGINE TYPE:
- SE 120R
- MATERIAL:
- STEEL
- STROKE LENGTH IMPERIAL:
- 4-5/8'
$1,695.95 -
S&S CYCLE Flywheel - Twin Cam 320-0350
S&S CYCLE
$1,695.95Replacement Flywheel Assemblies for Twin Cam Motors, S&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...09220156- SKU:
- 09220156
- Availability:
- Ships Same Business Day
- Weight:
- 39.50 LBS
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
$1,695.95 -
S&S CYCLE Flywheel - Twin Cam 320-0354
S&S CYCLE
$1,794.95Replacement Flywheel Assemblies for Twin Cam Motors, S&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...09220157- SKU:
- 09220157
- Availability:
- Ships Same Business Day
- Weight:
- 41.00 LBS
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
$1,794.95 -
S&S CYCLE Flywheel - Twin Cam 320-0360
S&S CYCLE
$1,695.95Replacement Flywheel Assemblies for Twin Cam Motors, S&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...09220158- SKU:
- 09220158
- Availability:
- Ships Same Business Day
- Weight:
- 39.10 LBS
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- UNITS:
- EACH
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
$1,695.95 -
S&S CYCLE Flywheel - Twin Cam 320-0469
S&S CYCLE
$1,794.95Replacement Flywheel Assemblies for Twin Cam Motors, S&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...09220159- SKU:
- 09220159
- Availability:
- Ships Same Business Day
- Weight:
- 42.00 LBS
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- UNITS:
- EACH
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
$1,794.95 -
S&S CYCLE Flywheel - Evolution 320-0477
S&S CYCLE
$1,595.95Replacement Flywheel Assemblies for Twin Cam Motors, S&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...09220160- SKU:
- 09220160
- Availability:
- Ships Same Business Day
- Weight:
- 38.60 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- STROKE LENGTH IMPERIAL:
- 4-5/8'
$1,595.95 -
S&S CYCLE Flywheel - 84" Stroker 32-2222
S&S CYCLE
$1,595.95Stock Bore Stroker Flywheel Kit 84", Upgrades 74" and 80" Shovelhead engines to 84" displacement at approximately 8.4:1 or 7.3:1 compression (depending on pistons used), Includes a dynamically balanced 41/2?" stroke flywheel assembly complete with S&S...09220161- SKU:
- 09220161
- Availability:
- Ships Same Business Day
- Weight:
- 39.50 LBS
- DISPLACEMENT:
- 84'
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- TYPE:
- STROKER
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$1,595.95 -
S&S CYCLE Flywheel Assembly 320-0601
S&S CYCLE
$1,995.95Made 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, Machined with timing notches compatible...09220164- SKU:
- 09220164
- Availability:
- Ships Same Business Day
- Weight:
- 42.20 LBS
- FEATURES:
- TAPERED WRIST PIN
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- UNITS:
- EACH
$1,995.95 -
S&S CYCLE Flywheel Assembly 320-0603
S&S CYCLE
$1,995.95Made 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, Machined with timing notches compatible...09220166- SKU:
- 09220166
- Availability:
- Ships Same Business Day
- Weight:
- 42.90 LBS
- MATERIAL:
- FORGED STEEL
- PRODUCT NAME:
- FLYWHEEL ASSEMBLY
- UNITS:
- EACH
- FEATURES:
- FULL WRIST PIN
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-1/2'
$1,995.95 -
S&S CYCLE Flywheel Assembly 320-0604
S&S CYCLE
$1,995.95Made 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, Machined with timing notches compatible...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'
$1,995.95 -
S&S CYCLE Flywheel Assembly 320-0605
S&S CYCLE
$1,995.95Made 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, Machined with timing notches compatible...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
$1,995.95
