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
-
S&S CYCLE Cylinder and Piston Kit 910-0203
S&S CYCLE
$1,282.95103" 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...09310430- SKU:
- 09310430
- Availability:
- Ships Same Business Day
- Weight:
- 26.35 LBS
- COLOR/FINISH:
- POWDER-COATED
- BORE SIZE IMPERIAL:
- 3.875'
- PRODUCT NAME:
- CYLINDER AND PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- DISPLACEMENT:
- 106'
- RIDING STYLE:
- STREET
- TYPE:
- REPLACEMENT
- COLOR/FINISH:
- WRINKLE BLACK
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- STYLE:
- BIG BORE
- UNITS:
- KIT
$1,282.95 -
S&S CYCLE Cylinder Kit 910-0200
S&S CYCLE
$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...09310433- SKU:
- 09310433
- Availability:
- Ships Same Business Day
- Weight:
- 26.63 LBS
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 9.7:1
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4'
- STYLE:
- BIG BORE
- BORE SIZE IMPERIAL:
- 3.875'
- COLOR/FINISH:
- SILVER
- DISPLACEMENT:
- 95'
- MATERIAL:
- ALUMINUM
$1,287.95 -
S&S CYCLE Cylinder Kit - Twin Cam 910-0500
S&S CYCLE
$1,345.95The 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...09310534- SKU:
- 09310534
- Availability:
- Ships Same Business Day
- Weight:
- 25.71 LBS
- DISPLACEMENT:
- 107'
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- COMPRESSION RATIO IMPERIAL:
- 9.9:1
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.937'
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
$1,345.95Qty in Cart: 0Quantity:Price:$1,345.95Subtotal: -
S&S CYCLE Cylinder Kit - Twin Cam 910-0482
S&S CYCLE
$1,358.95The 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...09310537- SKU:
- 09310537
- Availability:
- Ships Same Business Day
- Weight:
- 25.60 LBS
- DISPLACEMENT:
- 98'
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.937'
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4'
- STYLE:
- BIG BORE
- COMPRESSION RATIO IMPERIAL:
- 9.8:1
- COLOR/FINISH:
- SILVER
- MATERIAL:
- ALUMINUM
$1,358.95Qty in Cart: 0Quantity:Price:$1,358.95Subtotal: -
S&S CYCLE Cylinder Kit - Twin Cam 910-0338
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...09310541- SKU:
- 09310541
- Availability:
- Ships Same Business Day
- Weight:
- 24.59 LBS
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- BLACK
- COMPRESSION RATIO IMPERIAL:
- 11.4:1
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- UNITS:
- KIT
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- DISPLACEMENT:
- 124'
$1,643.95 -
S&S CYCLE Cylinder Kit 910-0689
S&S CYCLE
$1,008.95Forged pistons - coated piston skirts with measurement window and S&S logo, Forged pistons have larger than stock valve pockets and accepts up to 2.00" valves, Kit includes S&S 1250cc pistons with rings and wristpins, S&S 3-9/16" bore cylinders, MLS...09310527- SKU:
- 09310527
- Availability:
- Ships Same Business Day
- Weight:
- 22.90 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.3:1
- MATERIAL:
- IRON
- MATERIAL:
- ALUMINUM
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- TYPE:
- FLAT TOP
- COLOR/FINISH:
- SILVER
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.562'
- DISPLACEMENT:
- 1250 CC
- MATERIAL:
- CAST
- RIDING STYLE:
- STREET
$1,008.95 -
S&S CYCLE Cylinder Kit 910-0692
S&S CYCLE
$1,008.95Forged pistons - coated piston skirts with measurement window and S&S logo, Forged pistons have larger than stock valve pockets and accepts up to 2.00" valves, Kit includes S&S 1250cc pistons with rings and wristpins, S&S 3-9/16" bore cylinders, MLS...09310528- SKU:
- 09310528
- Availability:
- Ships Same Business Day
- Weight:
- 22.96 LBS
- TYPE:
- DOMED
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- BORE SIZE IMPERIAL:
- 3.562'
- DISPLACEMENT:
- 1250 CC
- MATERIAL:
- CAST
- COLOR/FINISH:
- BLACK
- COMPRESSION RATIO IMPERIAL:
- 11.2:1
- MATERIAL:
- IRON
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- UNITS:
- KIT
$1,008.95 -
S&S CYCLE Top End Kit - Big Twin 90-0098
S&S CYCLE
$3,659.95Include a set of S&S Shovelhead-style cylinder heads, a pair of S&S stock bore cylinders (3-7/16" for 74" engines or 3-1/2" for 80"), forged 8:1 compression pistons complete with rings and wrist pins, manifold clamps, manifold seals, all required...09031270- SKU:
- 09031270
- Availability:
- Ships Same Business Day
- Weight:
- 60.10 LBS
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- BORE SIZE IMPERIAL:
- 3.500'
- COMPRESSION RATIO IMPERIAL:
- 8.0:1
- PRODUCT NAME:
- CYLINDER KIT
- UNITS:
- KIT
- DISPLACEMENT:
- 80'
- RIDING STYLE:
- STREET
- STYLE:
- SHOVELHEAD
$3,659.95 -
S&S CYCLE Cylinders - 4.25" - M8 - Black Highlighted Fins 910-0682
S&S CYCLE
$970.95Bolt-on cylinder set, For 4.375" stroke motors, Made in the U.S.A.09310838- SKU:
- 09310838
- Availability:
- Ships Same Business Day
- Weight:
- 26.61 LBS
- BORE SIZE IMPERIAL:
- 4.250'
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- HIGHLIGHTED FINS
- COLOR/FINISH:
- WRINKLE BLACK
- PRODUCT NAME:
- CYLINDER
- STYLE:
- BIG BORE
- UNITS:
- PAIR
$970.95Qty in Cart: 0Quantity:Price:$970.95Subtotal: -
S&S CYCLE Cylinders with Pistons - Black 910-0324
S&S CYCLE
$1,643.95Kit includes fitted forged pistons, pins, clips, rings, cylinders, head gaskets, base, and exhaust gaskets, 10.9cc dished pistons; 10.6:1 compression ratio w/stock 85cc cylinder heads, For use with stock heads or S&S heads with stock bolt pattern, 4.625"...09310686- SKU:
- 09310686
- Availability:
- Ships Same Business Day
- Weight:
- 24.90 LBS
- PRODUCT NAME:
- BIG BORE CYLINDER KIT
- RIDING STYLE:
- STREET
- STYLE:
- BIG BORE
- COLOR/FINISH:
- WRINKLE BLACK
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- STROKE LENGTH IMPERIAL:
- 4.625'
- DISPLACEMENT:
- 124'
$1,643.95 -
S&S CYCLE Cylinders and Pistons - 84" Stroker 91-9017
S&S CYCLE
$1,995.95Cylinder and piston kit can be used to build 84", 86" or 88" stroker engines, or to replace the cylinders and piston in an engine with an existing S&S® stock bore kit, Includes 3.4375" bore high tensile cast iron cylinders, 8.4:1 forged pistons with...09310689- SKU:
- 09310689
- Availability:
- Ships Same Business Day
- Weight:
- 35.44 LBS
- COMPRESSION RATIO IMPERIAL:
- 8.4:1
- PRODUCT NAME:
- CYLINDER AND PISTON KIT
- RIDING STYLE:
- STREET
- TYPE:
- STOCK BORE CYLINDER
- BORE SIZE IMPERIAL:
- 3.4375'
- DISPLACEMENT:
- 88'
- UNITS:
- KIT
- DISPLACEMENT:
- 84'
- DISPLACEMENT:
- 86'
- MATERIAL:
- CAST IRON
- COLOR/FINISH:
- GLOSS BLACK
$1,995.95Qty in Cart: 0Quantity:Price:$1,995.95Subtotal: -
S&S CYCLE Big Bore Cylinder and Stroker Piston Kit 91-9001
S&S CYCLE
$1,995.95Cylinder and piston kit can be used to build an 88" engine, or to replace the cylinders and piston in an engine with an existing S&S stock bore stroker kit, Includes 3-5/8" bore high tensile cast iron cylinders, forged pistons with rings and wristpins,...09310690- SKU:
- 09310690
- Availability:
- Ships Same Business Day
- Weight:
- 32.30 LBS
- DISPLACEMENT:
- 88'
- MATERIAL:
- IRON
- STROKE LENGTH IMPERIAL:
- 4.250'
- PRODUCT NAME:
- CYLINDER AND PISTON KIT
- COLOR/FINISH:
- GLOSS BLACK
- COMPRESSION RATIO IMPERIAL:
- 7.5:1
- STYLE:
- BIG BORE
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.625'
- MATERIAL:
- CAST
- RIDING STYLE:
- STREET
$1,995.95 -
S&S CYCLE Cylinder Kit - 100" - Silver 910-0642
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...09310739- SKU:
- 09310739
- Availability:
- Ships Same Business Day
- Weight:
- 26.01 LBS
- BORE SIZE IMPERIAL:
- 4.000'
- DISPLACEMENT:
- 100'
- COLOR/FINISH:
- SILVER
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PRODUCT NAME:
- CYLINDER AND PISTON KIT
- RIDING STYLE:
- STREET
- MODEL:
- SIDEWINDER
- STROKE LENGTH IMPERIAL:
- 4'
- TYPE:
- BIG BORE
- UNITS:
- KIT
$1,540.95 -
S&S CYCLE Cylinder Kit - 110" - Silver 910-0650
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...09310741- SKU:
- 09310741
- Availability:
- Ships Same Business Day
- Weight:
- 25.51 LBS
- MODEL:
- SIDEWINDER
- PRODUCT NAME:
- CYLINDER AND PISTON KIT
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- COLOR/FINISH:
- SILVER
- DISPLACEMENT:
- 110'
- TYPE:
- BIG BORE
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 4.000'
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- RIDING STYLE:
- STREET
$1,540.95 -
S&S CYCLE Cylinder - Standard - 131" - Black - M8 910-0763
S&S CYCLE
$1,559.95Huge displacement increase means huge power increase, Works with stock crankcases, Original engine serial numbers are retained, Powder coat finish matches factory finish, 045" MLS (multi-layered steel) head gaskets, Retains stock engine height, Includes...09311011- SKU:
- 09311011
- Availability:
- Ships Same Business Day
- Weight:
- 28.91 LBS
- COLOR/FINISH:
- NON-HIGHLIGHTED FINS
- TYPE:
- STROKER
- COLOR/FINISH:
- WRINKLE BLACK
- DISPLACEMENT:
- 131'
- PRODUCT NAME:
- CYLINDER AND PISTON KIT
- UNITS:
- KIT
- COLOR/FINISH:
- POWDER-COATED
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- BORE SIZE IMPERIAL:
- 4.250'
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- STYLE:
- BIG BORE
$1,559.95 -
S&S CYCLE Cylinder - Evolution 91-7710
S&S CYCLE
$840.95Stock replacement cylinders, 3.5" bore with cast-iron liner, For 80" or 89" engines, Made in the U.S.A.09310260- SKU:
- 09310260
- Availability:
- Ships Same Business Day
- Weight:
- 24.75 LBS
- TYPE:
- ENGINE
- BORE SIZE IMPERIAL:
- 3.500'
- DISPLACEMENT:
- 80'
- MATERIAL:
- ALUMINUM
- UNITS:
- PAIR
- RIDING STYLE:
- STREET
- STYLE:
- EVOLUTION
- COLOR/FINISH:
- HIGHLIGHTED FINS
- COLOR/FINISH:
- WRINKLE BLACK
- PRODUCT NAME:
- CYLINDER
$840.95 -
S&S CYCLE Cylinder Kit - Twin Cam 910-0205
S&S CYCLE
$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...09310436- SKU:
- 09310436
- Availability:
- Ships Same Business Day
- Weight:
- 26.00 LBS
- BORE SIZE IMPERIAL:
- 3.927'
- COMPRESSION RATIO IMPERIAL:
- 9.7:1
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4'
- UNITS:
- KIT
- COLOR/FINISH:
- BLACK
- DISPLACEMENT:
- 97'
- MATERIAL:
- ALUMINUM
- STYLE:
- BIG BORE
$1,287.95 -
S&S CYCLE Cylinder Kit - Twin Cam 910-0201
S&S CYCLE
$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...09310437- SKU:
- 09310437
- Availability:
- Ships Same Business Day
- Weight:
- 26.07 LBS
- BORE SIZE IMPERIAL:
- 3.927'
- COLOR/FINISH:
- SILVER
- DISPLACEMENT:
- 97'
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- COMPRESSION RATIO IMPERIAL:
- 9.7:1
- PRODUCT NAME:
- CYLINDER KIT
- STROKE LENGTH IMPERIAL:
- 4'
- STYLE:
- BIG BORE
- UNITS:
- KIT
$1,219.95 -
S&S CYCLE Cylinder Kit - Twin Cam 910-0480
S&S CYCLE
$1,345.95The 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...09310535- SKU:
- 09310535
- Availability:
- Ships Same Business Day
- Weight:
- 25.32 LBS
- COLOR/FINISH:
- SILVER
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 9.9:1
- DISPLACEMENT:
- 107'
- PRODUCT NAME:
- CYLINDER KIT
- STYLE:
- BIG BORE
- BORE SIZE IMPERIAL:
- 3.937'
- MATERIAL:
- ALUMINUM
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
$1,345.95 -
S&S CYCLE Cylinder Kit 910-0204
S&S CYCLE
$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...09310432- SKU:
- 09310432
- Availability:
- Ships Same Business Day
- Weight:
- 26.30 LBS
- COLOR/FINISH:
- BLACK
- MATERIAL:
- ALUMINUM
- DISPLACEMENT:
- 95'
- STYLE:
- BIG BORE
- COMPRESSION RATIO IMPERIAL:
- 9.7:1
- PRODUCT NAME:
- CYLINDER KIT
- STROKE LENGTH IMPERIAL:
- 4'
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3.875'
- RIDING STYLE:
- STREET
$1,287.95Qty in Cart: 0Quantity:Price:$1,287.95Subtotal:
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.
