Harley Cylinders and Parts
Harley Bike Cylinders & Parts at JJ Motorsports
Boost displacement and performance with premium cylinders and parts from JJ Motorsports, featuring big-bore kits, stud sets, and precision-machined cylinders for Sportster, Big Twin, Evo, and M8 engines. These high-quality components deliver reliable compression and perfect fit.
Shop Colony and Revolution Performance for proven durability. Explore related categories such as Harley engine for pistons and gaskets, or Harley for cams and heads to complete your big-bore build.
Top Harley Cylinders & Parts
- Colony Cylinder Stud Set 9424-8 – Chrome-plated cylinder stud kit; high-strength for Big Twin and Evo heads with perfect thread engagement.
- Revolution Performance LLC Cylinder Kit RP201-101W – 101ci big-bore cylinder kit; complete with pistons for Twin Cam performance upgrades.
- Revolution Performance LLC Cylinder Kit RP201-608W – 608ci cylinder kit for Sportster; massive displacement with matching pistons for serious power.
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
-
On Sale
S&S CYCLE Cylinder - Evolution 91-7210
S&S CYCLE
MSRP: $840.95Now: $734.36Was: $840.95Stock replacement cylinders, 3.5" bore with cast-iron liner, For 80" or 89" engines, Made in the U.S.A.DS750539- SKU:
- DS750539
- Availability:
- Ships Same Business Day
- Weight:
- 27.65 LBS
- BORE SIZE IMPERIAL:
- 3.500'
- DISPLACEMENT:
- 80'
- STYLE:
- EVOLUTION
- UNITS:
- PAIR
- COLOR/FINISH:
- NATURAL ALUMINUM
- PRODUCT NAME:
- CYLINDER
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- TYPE:
- ENGINE
MSRP: $840.95Now: $734.36Was: $840.95 -
On Sale
S&S CYCLE Cylinder and Piston Kit 910-0199
S&S CYCLE
MSRP: $1,313.95Now: $1,147.46Was: $1,313.95103" stock motors or motors with factory 95" kits require piston kit only; stock or S&S cylinder heads can be used, Made in the U.S.A., Fuel-injected motors will require recalibration of the fuel-injection system., This project requires a skilled...09310431- SKU:
- 09310431
- Availability:
- Ships Same Business Day
- Weight:
- 26.02 LBS
- COLOR/FINISH:
- SILVER
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- DISPLACEMENT:
- 106'
- TYPE:
- REPLACEMENT
- UNITS:
- KIT
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- STYLE:
- BIG BORE
- BORE SIZE IMPERIAL:
- 3.875'
- COLOR/FINISH:
- POWDER-COATED
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- CYLINDER AND PISTON KIT
MSRP: $1,313.95Now: $1,147.46Was: $1,313.95 -
On Sale
S&S CYCLE Cylinder Kit - Twin Cam 910-0206
S&S CYCLE
MSRP: $1,287.95Now: $1,124.96Was: $1,287.95The Big Bore kit yields excellent results with stock cylinder heads, Easy installation: no need to bore or split existing cases, just swap the cylinders, Cylinders are constructed from premium aluminum castings with cast-in iron liners, Kits include...09310434- SKU:
- 09310434
- Availability:
- Ships Same Business Day
- Weight:
- 26.00 LBS
- COLOR/FINISH:
- BLACK
- DISPLACEMENT:
- 106'
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- STYLE:
- BIG BORE
- BORE SIZE IMPERIAL:
- 3.927'
- MATERIAL:
- ALUMINUM
- STROKE LENGTH IMPERIAL:
- 4-3/8'
MSRP: $1,287.95Now: $1,124.96Was: $1,287.95 -
On Sale
S&S CYCLE Cylinder Kit - Twin Cam 910-0202
S&S CYCLE
MSRP: $1,219.95Now: $1,065.56Was: $1,219.95The Big Bore kit yields excellent results with stock cylinder heads, Easy installation: no need to bore or split existing cases, just swap the cylinders, Cylinders are constructed from premium aluminum castings with cast-in iron liners, Kits include...09310435- SKU:
- 09310435
- Availability:
- Ships Same Business Day
- Weight:
- 25.84 LBS
- BORE SIZE IMPERIAL:
- 3.927'
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- DISPLACEMENT:
- 106'
- COLOR/FINISH:
- SILVER
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- UNITS:
- KIT
MSRP: $1,219.95Now: $1,065.56Was: $1,219.95 -
On Sale
S&S CYCLE Cylinder Kit - Twin Cam 910-0474
S&S CYCLE
MSRP: $1,643.95Now: $1,436.36Was: $1,643.95The Big Bore kit yields excellent results with stock cylinder heads, Easy installation: no need to bore or split existing cases, just swap the cylinders, Cylinders are constructed from premium aluminum castings with cast-in iron liners, Kits include...09310538- SKU:
- 09310538
- Availability:
- Ships Same Business Day
- Weight:
- 24.26 LBS
- COLOR/FINISH:
- GRAY
- DISPLACEMENT:
- 117'
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.9:1
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- BORE SIZE IMPERIAL:
- 4.125'
- MATERIAL:
- ALUMINUM
- STYLE:
- BIG BORE
MSRP: $1,643.95Now: $1,436.36Was: $1,643.95Qty in Cart: 0Quantity:Price:MSRP: $1,643.95Now: $1,436.36Was: $1,643.95Subtotal: -
On Sale
S&S CYCLE Cylinder Kit - Twin Cam 910-0469
S&S CYCLE
MSRP: $1,643.95Now: $1,511.96Was: $1,643.95The Big Bore kit yields excellent results with stock cylinder heads, Easy installation: no need to bore or split existing cases, just swap the cylinders, Cylinders are constructed from premium aluminum castings with cast-in iron liners, Kits include...09310540- SKU:
- 09310540
- Availability:
- Ships Same Business Day
- Weight:
- 24.58 LBS
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- STYLE:
- BIG BORE
- COLOR/FINISH:
- GRAY
- COMPRESSION RATIO IMPERIAL:
- 11.4:1
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- UNITS:
- KIT
- DISPLACEMENT:
- 124'
- BORE SIZE IMPERIAL:
- 4.125'
- MATERIAL:
- ALUMINUM
MSRP: $1,643.95Now: $1,511.96Was: $1,643.95 -
S&S CYCLE Cylinders - 4.125" - Black 910-0401
S&S CYCLE
$953.06Cylinders have a stock bolt pattern, Bored slightly under nominal size and are not honed, Designed for 124" Hot Set Up Kits used in '99-'17 Twin Cams, Wrinkle black finish with machined edges, Requires crankcase machining., Made in the U.S.A.09310687- SKU:
- 09310687
- Availability:
- Ships Same Business Day
- Weight:
- 21.70 LBS
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- UNITS:
- PAIR
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
$953.06 -
On Sale
S&S CYCLE 96" Big Bore Kit 91-7702
S&S CYCLE
MSRP: $1,489.95Now: $1,301.36Was: $1,489.95Cylinders are constructed from premium aluminum castings with cast-in iron liners, Kits include cylinders, pistons, rings and gaskets (head, base and exhaust), Black powder-coat finish, Made in the U.S.A., This project requires a skilled technician. It...09310670- SKU:
- 09310670
- Availability:
- Ships Same Business Day
- Weight:
- 25.80 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- COLOR/FINISH:
- POWDER-COATED
- COMPRESSION RATIO IMPERIAL:
- 9.75:1
- BORE SIZE IMPERIAL:
- 3.625'
- DISPLACEMENT:
- 96'
- MATERIAL:
- CAST
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BIG BORE CYLINDER KIT
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- STYLE:
- BIG BORE
- UNITS:
- KIT
MSRP: $1,489.95Now: $1,301.36Was: $1,489.95 -
On Sale
S&S CYCLE Cylinder Kit - 100" - Black 910-0646
S&S CYCLE
MSRP: $1,540.95Now: $1,395.86Was: $1,540.95Bolt in - no machining, balancing or splitting the crankcases; install can be performed with engine still in frame, Cast Ductile Iron Sleeve in cast aluminum for superior heat transfer, 88" engines are boosted to 100", 96" and 103" engines are boosted...09310740- SKU:
- 09310740
- Availability:
- Ships Same Business Day
- Weight:
- 22.11 LBS
- DISPLACEMENT:
- 100'
- UNITS:
- KIT
- MODEL:
- SIDEWINDER
- PRODUCT NAME:
- CYLINDER AND PISTON KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4'
- TYPE:
- BIG BORE
- BORE SIZE IMPERIAL:
- 4.000'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- COLOR/FINISH:
- BLACK
MSRP: $1,540.95Now: $1,395.86Was: $1,540.95 -
S&S CYCLE Cylinder Kit - Twin Cam 910-0221
S&S CYCLE
$1,643.95The Big Bore kit yields excellent results with stock cylinder heads, Easy installation: no need to bore or split existing cases, just swap the cylinders, Cylinders are constructed from premium aluminum castings with cast-in iron liners, Kits include...09310539- SKU:
- 09310539
- Availability:
- Ships Same Business Day
- Weight:
- 24.10 LBS
- BORE SIZE IMPERIAL:
- 4.125'
- COMPRESSION RATIO IMPERIAL:
- 10.9:1
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- UNITS:
- KIT
- DISPLACEMENT:
- 117'
$1,643.95 -
S&S CYCLE Cylinder Kit - 110" - Black 910-0651
S&S CYCLE
$1,540.95Bolt in - no machining, balancing or splitting the crankcases; install can be performed with engine still in frame, Cast Ductile Iron Sleeve in cast aluminum for superior heat transfer, 88" engines are boosted to 100", 96" and 103" engines are boosted...09310742- SKU:
- 09310742
- Availability:
- Ships Same Business Day
- Weight:
- 26.91 LBS
- COLOR/FINISH:
- BLACK
- DISPLACEMENT:
- 110'
- MODEL:
- SIDEWINDER
- PRODUCT NAME:
- CYLINDER AND PISTON KIT
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- BORE SIZE IMPERIAL:
- 4.000'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- RIDING STYLE:
- STREET
- TYPE:
- BIG BORE
- UNITS:
- KIT
$1,540.95 -
S&S CYCLE Cylinder Kit - M8 910-0685
S&S CYCLE
$1,561.95The Big Bore kit yields excellent results with stock cylinder heads, Easy installation: no need to bore or split existing cases, just swap the cylinders, Cylinders are constructed from premium aluminum castings with cast-in iron liners, Kits include...09310835- SKU:
- 09310835
- Availability:
- Ships Same Business Day
- Weight:
- 29.01 LBS
- DISPLACEMENT:
- 128'
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- MATERIAL:
- IRON
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 4.250'
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CYLINDER KIT
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- STYLE:
- BIG BORE
- UNITS:
- KIT
$1,561.95 -
S&S CYCLE Cylinders - 4.125" - Black 910-0255
S&S CYCLE
$924.95Cylinders have a stock bolt pattern, Bored slightly under nominal size and are not honed, Designed for 124" Hot Set Up Kits used in '99-'17 Twin Cams, Wrinkle black finish with machined edges, Requires crankcase machining., Made in the U.S.A.09031294- SKU:
- 09031294
- Availability:
- Ships Same Business Day
- Weight:
- 22.00 LBS
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- UNITS:
- PAIR
$924.95Qty in Cart: 0Quantity:Price:$924.95Subtotal: -
S&S CYCLE Cylinder Kit - 883-1200 910-0688
S&S CYCLE
$1,128.95Increase displacement from 883cc to 1200cc, Saves time because pistons are already fit to the cylinders - ready to assemble out of the box, Cylinders are constructed from premium aluminum castings with cast-in iron liners, No machining, No re-balancing...09030944- SKU:
- 09030944
- Availability:
- Ships Same Business Day
- Weight:
- 23.36 LBS
- DISPLACEMENT:
- 1200 CC
- MATERIAL:
- CAST
- PRODUCT NAME:
- CONVERSION KIT
- COLOR/FINISH:
- SILVER
- COMPRESSION RATIO IMPERIAL:
- 9.4:1
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.500'
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MATERIAL:
- IRON
- RIDING STYLE:
- STREET
- STYLE:
- BIG BORE
$1,128.95 -
S&S CYCLE Cylinder Kit - 883-1200 910-0687
S&S CYCLE
$1,128.95Increase displacement from 883cc to 1200cc, Saves time because pistons are already fit to the cylinders - ready to assemble out of the box, Cylinders are constructed from premium aluminum castings with cast-in iron liners, No machining, No re-balancing...09030945- SKU:
- 09030945
- Availability:
- Ships Same Business Day
- Weight:
- 23.25 LBS
- DISPLACEMENT:
- 1200 CC
- MATERIAL:
- ALUMINUM
- BORE SIZE IMPERIAL:
- 3.500'
- COLOR/FINISH:
- WRINKLE BLACK
- RIDING STYLE:
- STREET
- STYLE:
- BIG BORE
- UNITS:
- KIT
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- IRON
- COMPRESSION RATIO IMPERIAL:
- 9.4:1
- MATERIAL:
- CAST
- PRODUCT NAME:
- CONVERSION KIT
$1,128.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit - 92" - Natural Silver RP201-218W
REVOLUTION PERFORMANCE, LLC
$1,479.95Revolutionâ„¢ aerospace-grade all-aluminum cylinders with nickel-silicon-carbide electroplated bores, which means NO SLEEVING; allows larger bore sizes and less friction for more horsepower, lower temps, and a longer lifespan, True bolt-on kit that...09311059- SKU:
- 09311059
- Availability:
- Ships Same Business Day
- Weight:
- 21.01 LBS
- COLOR/FINISH:
- SILVER
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3-9/16'
- PRODUCT NAME:
- BIG BORE CYLINDER KIT
- COMPRESSION RATIO IMPERIAL:
- 10.3:1
- FEATURES:
- FLAT TOP
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- DISPLACEMENT:
- 92'
$1,479.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit - 92" - Black with Highlighted Fins RP201-220W
REVOLUTION PERFORMANCE, LLC
$1,479.95Revolutionâ„¢ aerospace-grade all-aluminum cylinders with nickel-silicon-carbide electroplated bores, which means NO SLEEVING; allows larger bore sizes and less friction for more horsepower, lower temps, and a longer lifespan, True bolt-on kit that...09311060- SKU:
- 09311060
- Availability:
- Ships Same Business Day
- Weight:
- 22.00 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 10.3:1
- DISPLACEMENT:
- 92'
- FEATURES:
- FLAT TOP
- BORE SIZE IMPERIAL:
- 3-9/16'
- COLOR/FINISH:
- HIGHLIGHTED FINS
- PRODUCT NAME:
- BIG BORE CYLINDER KIT
$1,479.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit - 100" - Natural Silver RP201-209W
REVOLUTION PERFORMANCE, LLC
$1,499.95Revolutionâ„¢ aerospace-grade all-aluminum cylinders with nickel-silicon-carbide electroplated bores which means NO SLEEVING; allows larger bore sizes and less friction for more horsepower, lower temps and a longer lifespan, Monster power in a package...09311061- SKU:
- 09311061
- Availability:
- Ships Same Business Day
- Weight:
- 19.31 LBS
- UNITS:
- KIT
- DISPLACEMENT:
- 100'
- BORE SIZE IMPERIAL:
- 3-7/8'
- COLOR/FINISH:
- SILVER
- PRODUCT NAME:
- BIG BORE CYLINDER KIT
- COMPRESSION RATIO IMPERIAL:
- 9.5:1
- MODEL:
- MONSTER
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-1/4'
$1,499.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit - 100" - Black with Highlighted Fins RP201-210W
REVOLUTION PERFORMANCE, LLC
$1,499.95Revolutionâ„¢ aerospace-grade all-aluminum cylinders with nickel-silicon-carbide electroplated bores which means NO SLEEVING; allows larger bore sizes and less friction for more horsepower, lower temps and a longer lifespan, Monster power in a package...09311062- SKU:
- 09311062
- Availability:
- Ships Same Business Day
- Weight:
- 19.56 LBS
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- UNITS:
- KIT
- DISPLACEMENT:
- 100'
- MODEL:
- MONSTER
- COLOR/FINISH:
- BLACK
- COMPRESSION RATIO IMPERIAL:
- 9.5:1
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 3-7/8'
- COLOR/FINISH:
- HIGHLIGHTED FINS
- PRODUCT NAME:
- BIG BORE CYLINDER KIT
$1,499.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit - 109" - Natural Silver RP201-215W
REVOLUTION PERFORMANCE, LLC
$1,499.95Revolutionâ„¢ aerospace-grade all-aluminum cylinders with nickel-silicon-carbide electroplated bores which means NO SLEEVING; allows larger bore sizes and less friction for more horsepower, lower temps and a longer lifespan, Monster power in a package...09311063- SKU:
- 09311063
- Availability:
- Ships Same Business Day
- Weight:
- 20.21 LBS
- COLOR/FINISH:
- SILVER
- UNITS:
- KIT
- MODEL:
- MONSTER
- PRODUCT NAME:
- BIG BORE CYLINDER KIT
- BORE SIZE IMPERIAL:
- 3-7/8'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- DISPLACEMENT:
- 109'
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-5/8'
$1,499.95
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Harley Bike Engine Cylinders and Parts
- Compatibility: Ensure cylinders and parts match your Harley's engine type (e.g., Big Twin 1930-1984, Twin Cam, Sportster) and specifics like bore size (3.500" to 4.500") or stroke (4" to 4-5/8"). Use the vehicle selector for year-specific fits to avoid performance or rebuild issues.
- Type of Use: For standard rebuilds, opt for stud sets for secure cylinder mounting; big-bore upgrades (85ci to 143ci) suit performance engines for increased horsepower and displacement in street or touring conditions.
- Components and Upgrades: Select stud sets (4/8-pack) or big-bore kits with pistons; upgrade to no-sleeving cylinders with electroplated bores for friction reduction. Focus on compression ratios (9.0:1-11.3:1) and finishes (natural, silver, black, highlighted fins) for optimal performance.
- Brand and Quality: Choose Colony for heat-treated stud sets in chrome/black, Revolution Performance LLC for aerospace-grade aluminum cylinder kits with nickel-silicon-carbide bores, or Eastern Motorcycle Parts for base studs. Prioritize USA-made quality for durability and lower engine temperatures.
- Installation and Cost: Parts are bolt-on for easy DIY rebuilds; kits include pistons for complete upgrades. Prices range from $10.95 for stud packs to $1,899.95 for premium cylinder kits—factor in same-day shipping and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What Harley models and engines do these cylinders and parts support? Parts support Big Twin (1930-1984), Twin Cam (e.g., 98ci to 101ci), Sportster (e.g., 1200cc to 128ci)—use the year/make/model filter for exact compatibility with bore/stroke specifics.
- How do big-bore cylinder kits improve performance? They increase displacement (e.g., 85ci to 143ci) and horsepower with no-sleeving electroplated bores for less friction, lower temps, and longer lifespan.
- What is typically included in a cylinder kit? Kits include cylinders, pistons (e.g., flat-top), with options for finishes like black with highlighted fins—check details for compression ratios (9.0:1-11.3:1).
- Are stud sets durable? Yes, heat-treated steel with chrome/black finishes provides high strength and perfect thread engagement for secure cylinder mounting.
- What if a part doesn't fit my Harley? Verify bore size, stroke, and model before buying. Our returns policy allows exchanges or refunds if it doesn't match.
- Can I find related engine parts? Yes—explore pistons/rings, gaskets, or cams in the Harley engine category to complement your cylinders upgrade for a full rebuild.