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
-
REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-111W
REVOLUTION PERFORMANCE, LLC
$1,479.95A quality cylinder kit is essential for maintaining peak engine performance and reliability during high-demand racing or heavy-duty applications. The REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-111W delivers the precision engineering and durability...09311029- SKU:
- 09311029
- Availability:
- Ships Same Business Day
- Weight:
- 22.81 LBS
- COMPRESSION RATIO IMPERIAL:
- 9.3:1
- BORE SIZE IMPERIAL:
- 3.9375'
- COLOR/FINISH:
- BLACK
- UNITS:
- KIT
- COLOR/FINISH:
- HIGHLIGHTED FINS
- PRODUCT NAME:
- CYLINDER KIT
- STROKE LENGTH IMPERIAL:
- 4'
- DISPLACEMENT:
- 98'
- RIDING STYLE:
- STREET
$1,479.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-140TM
REVOLUTION PERFORMANCE, LLC
$1,599.95A precision cylinder kit is essential for anyone building or rebuilding a high-performance engine—it directly impacts compression ratio, displacement, and overall power output. The REVOLUTION PERFORMANCE, LLC RP201-140TM delivers the dimensional accuracy...09311036- SKU:
- 09311036
- Availability:
- Ships Same Business Day
- Weight:
- 21.86 LBS
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- HIGHLIGHTED FINS
- DISPLACEMENT:
- 124'
- PRODUCT NAME:
- CYLINDER KIT
$1,599.95Qty in Cart: 0Quantity:Price:$1,599.95Subtotal: -
REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-608W
REVOLUTION PERFORMANCE, LLC
$1,529.95If you're serious about extracting maximum performance from your engine, a quality cylinder kit is non-negotiable. The REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-608W delivers precision-engineered components built to handle sustained high-RPM...09311041- SKU:
- 09311041
- Availability:
- Ships Same Business Day
- Weight:
- 24.41 LBS
- BORE SIZE IMPERIAL:
- 4.250'
- COLOR/FINISH:
- BLACK
- COMPRESSION RATIO IMPERIAL:
- 11.3:1
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- DISPLACEMENT:
- 128'
- UNITS:
- KIT
$1,529.95Qty in Cart: 0Quantity:Price:$1,529.95Subtotal: -
REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-171W
REVOLUTION PERFORMANCE, LLC
$1,529.95A quality cylinder kit is foundational to any high-performance engine build, directly impacting displacement, compression, and overall power output. The REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-171W delivers the precision engineering and durability...09311042- SKU:
- 09311042
- Availability:
- Ships Same Business Day
- Weight:
- 21.26 LBS
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 4.125'
- COLOR/FINISH:
- HIGHLIGHTED FINS
- PRODUCT NAME:
- CYLINDER KIT
- DISPLACEMENT:
- 117'
- STROKE LENGTH IMPERIAL:
- 4-3/8'
$1,529.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-171WG
REVOLUTION PERFORMANCE, LLC
$1,529.95A cylinder kit is one of the most critical upgrades for serious engine builders looking to maximize displacement, compression, and overall performance potential. Whether you're building a high-revving race engine or restoring a classic with modern power,...09311043- SKU:
- 09311043
- Availability:
- Ships Same Business Day
- Weight:
- 21.31 LBS
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- COLOR/FINISH:
- GRANITE
- COLOR/FINISH:
- HIGHLIGHTED FINS
- DISPLACEMENT:
- 117'
- BORE SIZE IMPERIAL:
- 4.125'
- UNITS:
- KIT
$1,529.95Qty in Cart: 0Quantity:Price:$1,529.95Subtotal: -
REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-172WB
REVOLUTION PERFORMANCE, LLC
$1,529.95Whether you're rebuilding a high-revving two-stroke or pushing displacement limits on a precision-tuned engine, a quality cylinder kit is the foundation of reliable power delivery and longevity. The REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-172WB...09311044- SKU:
- 09311044
- Availability:
- Ships Same Business Day
- Weight:
- 21.51 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- HIGHLIGHTED FINS
- DISPLACEMENT:
- 117'
- BORE SIZE IMPERIAL:
- 4.125'
- UNITS:
- KIT
- STROKE LENGTH IMPERIAL:
- 4-3/8'
$1,529.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-129W
REVOLUTION PERFORMANCE, LLC
$1,599.95A quality cylinder kit is the foundation of any high-performance engine build, directly impacting compression ratio, displacement, and overall reliability under sustained load. The REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-129W delivers...09311048- SKU:
- 09311048
- Availability:
- Ships Same Business Day
- Weight:
- 21.21 LBS
- BORE SIZE IMPERIAL:
- 4.250'
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- HIGHLIGHTED FINS
- DISPLACEMENT:
- 131'
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- UNITS:
- KIT
$1,599.95Qty in Cart: 0Quantity:Price:$1,599.95Subtotal: -
REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-135W
REVOLUTION PERFORMANCE, LLC
$1,599.95A precision cylinder kit is essential for any serious engine build or rebuild—it directly impacts compression ratio, displacement, and overall engine longevity. The RP201-135W delivers OEM-quality construction with tight tolerances, ensuring reliable...09311049- SKU:
- 09311049
- Availability:
- Ships Same Business Day
- Weight:
- 21.26 LBS
- DISPLACEMENT:
- 131'
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 4.250'
- COLOR/FINISH:
- GRANITE
- COLOR/FINISH:
- HIGHLIGHTED FINS
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-5/8'
$1,599.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-611W
REVOLUTION PERFORMANCE, LLC
$1,899.95A quality cylinder kit is fundamental to engine reliability and performance consistency. Whether you're rebuilding a worn powerplant or upgrading to tighter tolerances, the REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-611W delivers the precision...09311050- SKU:
- 09311050
- Availability:
- Ships Same Business Day
- Weight:
- 23.56 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-3/8'
- BORE SIZE IMPERIAL:
- 4.500'
- COLOR/FINISH:
- HIGHLIGHTED FINS
- UNITS:
- KIT
- DISPLACEMENT:
- 139'
$1,899.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-616W
REVOLUTION PERFORMANCE, LLC
$1,899.95A precision cylinder kit is essential for builders pushing displacement or compression limits—whether you're restoring a vintage engine or maximizing modern performance. The Revolution Performance RP201-616W delivers OEM-quality tolerances and...09311052- SKU:
- 09311052
- Availability:
- Ships Same Business Day
- Weight:
- 23.51 LBS
- COLOR/FINISH:
- BLACK
- DISPLACEMENT:
- 143'
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-1/2'
- BORE SIZE IMPERIAL:
- 4.500'
- COLOR/FINISH:
- HIGHLIGHTED FINS
- UNITS:
- KIT
$1,899.95Qty in Cart: 0Quantity:Price:$1,899.95Subtotal: -
REVOLUTION PERFORMANCE, LLC Cylinder Kit - 85" - Natural Silver RP201-213W
REVOLUTION PERFORMANCE, LLC
$1,479.95If you're looking to unlock genuine horsepower gains without pulling your engine apart for machine work, the Revolution Performance 85" Cylinder Kit delivers. The aerospace-grade aluminum construction with nickel-silicon-carbide electroplated bores...09311057- SKU:
- 09311057
- Availability:
- Ships Same Business Day
- Weight:
- 20.96 LBS
- COLOR/FINISH:
- SILVER
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3-9/16'
- PRODUCT NAME:
- BIG BORE CYLINDER KIT
- FEATURES:
- FLAT TOP
- RIDING STYLE:
- STREET
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- DISPLACEMENT:
- 85'
$1,479.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit - 85" - Black with Highlighted Fins RP201-212W
REVOLUTION PERFORMANCE, LLC
$1,479.95If you're serious about extracting maximum horsepower from your big-bore build, the Revolution Performance 85" Cylinder Kit eliminates the machine work and guesswork. The aerospace-grade aluminum construction with nickel-silicon-carbide electroplated...09311058- SKU:
- 09311058
- Availability:
- Ships Same Business Day
- Weight:
- 22.00 LBS
- COLOR/FINISH:
- HIGHLIGHTED FINS
- STROKE LENGTH IMPERIAL:
- 4-1/4'
- BORE SIZE IMPERIAL:
- 3-9/16'
- DISPLACEMENT:
- 85'
- PRODUCT NAME:
- BIG BORE CYLINDER KIT
- COMPRESSION RATIO IMPERIAL:
- 9.0:1
- COLOR/FINISH:
- BLACK
- FEATURES:
- FLAT TOP
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$1,479.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit - 109" - Black with Highlighted Fins RP201-216W
REVOLUTION PERFORMANCE, LLC
$1,455.95A 109" displacement demands cylinders engineered for serious power output—Revolution Performance delivers with aerospace-grade aluminum construction and nickel-silicon-carbide bores that eliminate the need for traditional sleeving, letting you push...09311064- SKU:
- 09311064
- Availability:
- Ships Same Business Day
- Weight:
- 19.36 LBS
- UNITS:
- KIT
- BORE SIZE IMPERIAL:
- 3-7/8'
- DISPLACEMENT:
- 109'
- MODEL:
- MONSTER
- PRODUCT NAME:
- BIG BORE CYLINDER KIT
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 4-5/8'
- COLOR/FINISH:
- HIGHLIGHTED FINS
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
$1,455.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-404W
REVOLUTION PERFORMANCE, LLC
$1,343.95A quality cylinder kit is fundamental to any serious engine build or rebuild—it directly impacts compression, sealing integrity, and overall engine longevity. The Revolution Performance RP201-404W delivers precision-engineered components that meet tight...09311065- SKU:
- 09311065
- Availability:
- Ships Same Business Day
- Weight:
- 18.06 LBS
- BORE SIZE IMPERIAL:
- 3.5625'
- DISPLACEMENT:
- 1250 CC
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- NATURAL
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- UNITS:
- KIT
$1,343.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-405W
REVOLUTION PERFORMANCE, LLC
$1,343.95A high-quality cylinder kit is essential for maintaining or upgrading your engine's core performance and reliability. The REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-405W delivers precision-engineered components that restore or enhance compression,...09311066- SKU:
- 09311066
- Availability:
- Ships Same Business Day
- Weight:
- 18.16 LBS
- BORE SIZE IMPERIAL:
- 3.5625'
- COLOR/FINISH:
- HIGHLIGHTED FINS
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- DISPLACEMENT:
- 1250 CC
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- UNITS:
- KIT
$1,343.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-406W
REVOLUTION PERFORMANCE, LLC
$1,343.95REVOLUTION PERFORMANCE, LLC Cylinder Kit09311067- SKU:
- 09311067
- Availability:
- Ships Same Business Day
- Weight:
- 18.16 LBS
- BORE SIZE IMPERIAL:
- 3.5625'
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- DISPLACEMENT:
- 1250 CC
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- CYLINDER KIT
- RIDING STYLE:
- STREET
- STROKE LENGTH IMPERIAL:
- 3-13/16'
- UNITS:
- KIT
$1,343.95 -
REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-414W
REVOLUTION PERFORMANCE, LLC
$1,343.95A quality cylinder kit is fundamental to building reliable engine performance, whether you're refreshing a worn powerplant or assembling a high-revving race engine. The Revolution Performance RP201-414W cylinder kit delivers precision-engineered...09311068- SKU:
- 09311068
- Availability:
- Ships Same Business Day
- Weight:
- 17.96 LBS
$1,343.95Qty in Cart: 0Quantity:Price:$1,343.95Subtotal: -
REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-411W
REVOLUTION PERFORMANCE, LLC
$1,479.95If you're serious about maximizing displacement and extracting real power gains, a precision cylinder kit is non-negotiable. The REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-411W delivers the bore and stroke geometry you need for measurable horsepower...09311072- SKU:
- 09311072
- Availability:
- Ships Same Business Day
- Weight:
- 17.61 LBS
$1,479.95 -
On Sale
S&S CYCLE Big Bore Cylinder Set 910-0739
S&S CYCLE
MSRP: $929.95Now: $873.86Was: $929.95The S&S Cycle Big Bore Cylinder Set delivers measurable displacement gains and combustion efficiency improvements for M8-powered machines. This bolt-on upgrade increases engine capacity without requiring complete engine teardown, making it an accessible...09310877- SKU:
- 09310877
- Availability:
- Ships Same Business Day
- Weight:
- 25.70 LBS
- COLOR/FINISH:
- BLACK GRANITE
- STYLE:
- BIG BORE
- DISPLACEMENT:
- 124'
- RIDING STYLE:
- STREET
- BORE SIZE IMPERIAL:
- 4.250'
- COLOR/FINISH:
- HIGHLIGHTED FINS
- PRODUCT NAME:
- CYLINDER KIT
- UNITS:
- KIT
MSRP: $929.95Now: $873.86Was: $929.95Qty in Cart: 0Quantity:Price:MSRP: $929.95Now: $873.86Was: $929.95Subtotal: -
DRAG SPECIALTIES Cylinder - Rear - 1200cc - 1966-1980 Shovelhead 750604-BX-LB2
DRAG SPECIALTIES
$226.79If you're rebuilding or upgrading a classic Shovelhead, cylinder condition is non-negotiable—worn or stock cylinders will limit your engine's potential and reliability. These DRAG SPECIALTIES rear cylinders are cast-iron units engineered to OEM...DS750604- SKU:
- DS750604
- Availability:
- Ships Same Business Day
- Weight:
- 12.13 LBS
- MATERIAL:
- IRON
- PRODUCT NAME:
- CYLINDER
- UNITS:
- EACH
- BORE SIZE IMPERIAL:
- 3.435'
- DISPLACEMENT:
- 1200 CC
- COLOR/FINISH:
- BLACK
- TYPE:
- REAR
- MATERIAL:
- ALUMINUM
- MATERIAL:
- CAST
- RIDING STYLE:
- STREET
$226.79
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.
