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Harley Cylinders and Parts

Harley Cylinders and Parts

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

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
  • DRAG SPECIALTIES Cylinder - Front - 1200cc - 1966-1980 Shovelhead 750605-BX-LB2

    DRAG SPECIALTIES Cylinder - Front - 1200cc - 1966-1980 Shovelhead 750605-BX-LB2

    DRAG SPECIALTIES

    $204.53
    If you're running a 1966-1980 Shovelhead and want reliable power without compromise, this DRAG SPECIALTIES front cylinder delivers the thermal stability and pressure tolerance your engine needs. Cast-iron construction meets or exceeds OEM specs while...
    DS750605
    SKU:
    DS750605
    Availability:
    Ships Same Business Day
    Weight:
    11.63 LBS
    UNITS:
    EACH
    BORE SIZE IMPERIAL:
    3.435'
    DISPLACEMENT:
    1200 CC
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CAST
    RIDING STYLE:
    STREET
    TYPE:
    FRONT
    COLOR/FINISH:
    BLACK
    MATERIAL:
    IRON
    PRODUCT NAME:
    CYLINDER
    $204.53
    Qty in Cart: 0
    Quantity:
    Price:
    $204.53
    Subtotal:
  • DRAG SPECIALTIES Cylinder - Rear - 74" - 1948-1965 Panhead 750606-BX-LB2

    DRAG SPECIALTIES Cylinder - Rear - 74" - 1948-1965 Panhead 750606-BX-LB2

    DRAG SPECIALTIES

    $204.53
    If you're running a vintage Panhead and pushing your engine beyond stock parameters, OEM cylinders become a liability. This DRAG SPECIALTIES rear cylinder is cast-iron construction engineered to meet or exceed original tolerance specifications while...
    DS750606
    SKU:
    DS750606
    Availability:
    Ships Same Business Day
    Weight:
    11.63 LBS
    DISPLACEMENT:
    74'
    MATERIAL:
    IRON
    PRODUCT NAME:
    CYLINDER
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    TYPE:
    REAR
    BORE SIZE IMPERIAL:
    3.435'
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CAST
    RIDING STYLE:
    STREET
    $204.53
    Qty in Cart: 0
    Quantity:
    Price:
    $204.53
    Subtotal:
  • DRAG SPECIALTIES Cylinder - Front - 74" - 1948-1965 Panhead 750607-BX-LB2

    DRAG SPECIALTIES Cylinder - Front - 74" - 1948-1965 Panhead 750607-BX-LB2

    DRAG SPECIALTIES

    $204.53
    If you're running a classic Panhead and want to push beyond stock performance limits, upgrading to quality cylinders is non-negotiable. The DRAG SPECIALTIES front cylinder delivers the durability and heat resistance necessary for sustained...
    DS750607
    SKU:
    DS750607
    Availability:
    Ships Same Business Day
    Weight:
    11.81 LBS
    DISPLACEMENT:
    74'
    MATERIAL:
    IRON
    PRODUCT NAME:
    CYLINDER
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    TYPE:
    FRONT
    BORE SIZE IMPERIAL:
    3.435'
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CAST
    RIDING STYLE:
    STREET
    $204.53
    Qty in Cart: 0
    Quantity:
    Price:
    $204.53
    Subtotal:
  • DRAG SPECIALTIES Cylinder - Natural - 1986-2003 1200XL 16447-88-LB2

    DRAG SPECIALTIES Cylinder - Natural - 1986-2003 1200XL 16447-88-LB2

    DRAG SPECIALTIES

    $264.95
    Whether you're rebuilding a tired 1200XL or upgrading from an 883, these Drag Specialties cylinders deliver the displacement increase you need without compromising reliability. The ductile cast-iron sleeves bonded to aluminum castings provide superior...
    DS750506
    SKU:
    DS750506
    Availability:
    Ships Same Business Day
    Weight:
    6.94 LBS
    TYPE:
    REAR
    MATERIAL:
    IRON
    PRODUCT NAME:
    CYLINDER
    UNITS:
    EACH
    BORE SIZE IMPERIAL:
    3.498'
    DISPLACEMENT:
    1200 CC
    COLOR/FINISH:
    ALUMINUM
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CAST
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    3-13/16'
    TYPE:
    FRONT
    $264.95
    Qty in Cart: 0
    Quantity:
    Price:
    $264.95
    Subtotal:
  • DRAG SPECIALTIES Cylinder - 1200cc- 1988-2003 - XL - Black 09310018BLK-LB2

    DRAG SPECIALTIES Cylinder - 1200cc- 1988-2003 - XL - Black 09310018BLK-LB2

    DRAG SPECIALTIES

    $304.17
    If you're running an 883cc Harley and ready to step up displacement without a complete engine rebuild, these 1200cc cylinders deliver the straightforward path to more cubic inches. The ductile iron sleeves are precision-cast into aluminum, then finished...
    09310018
    SKU:
    09310018
    Availability:
    Ships Same Business Day
    Weight:
    7.29 LBS
    DISPLACEMENT:
    1200 CC
    MATERIAL:
    CAST
    PRODUCT NAME:
    CYLINDER
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.500'
    COLOR/FINISH:
    HIGHLIGHTED FINS
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALUMINUM
    MATERIAL:
    IRON
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $304.17
    Subtotal:
  • DRAG SPECIALTIES Cylinder - 1340cc - 1984-1999 Big Twin 16510-83A-LB2

    DRAG SPECIALTIES Cylinder - 1340cc - 1984-1999 Big Twin 16510-83A-LB2

    DRAG SPECIALTIES

    $254.35
    If your 1340cc Big Twin is experiencing cylinder wear, scoring, or damage, a factory-spec replacement is the most reliable path to restored compression and consistent performance. DRAG SPECIALTIES cylinders are engineered for direct fitment on 1984-1999...
    DS750507
    SKU:
    DS750507
    Availability:
    Ships Same Business Day
    Weight:
    8.44 LBS
    BORE SIZE IMPERIAL:
    3.498'
    DISPLACEMENT:
    1340 CC
    STROKE LENGTH IMPERIAL:
    4-1/4'
    TYPE:
    REAR
    MATERIAL:
    ALUMINUM
    MATERIAL:
    CAST
    MATERIAL:
    IRON
    COLOR/FINISH:
    ALUMINUM
    PRODUCT NAME:
    CYLINDER
    RIDING STYLE:
    STREET
    TYPE:
    FRONT
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $254.35
    Subtotal:
  • DRAG SPECIALTIES Cylinder - 1340cc - 1984-1999 Evolution - Black 09310017BLK

    DRAG SPECIALTIES Cylinder - 1340cc - 1984-1999 Evolution - Black 09310017BLK

    DRAG SPECIALTIES

    $334.91
    If your Evolution engine is showing signs of wear or you're rebuilding from the ground up, factory-spec replacement cylinders are essential to restoring reliable power and proper ring sealing. Drag Specialties cylinders feature ductile cast-iron sleeves...
    09310017
    SKU:
    09310017
    Availability:
    Ships Same Business Day
    Weight:
    8.41 LBS
    MATERIAL:
    CAST
    PRODUCT NAME:
    CYLINDER
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.500'
    COLOR/FINISH:
    HIGHLIGHTED FINS
    COLOR/FINISH:
    ALUMINUM
    COLOR/FINISH:
    BLACK
    DISPLACEMENT:
    1340 CC
    MATERIAL:
    ALUMINUM
    MATERIAL:
    IRON
    UNITS:
    EACH
    $334.91
    Qty in Cart: 0
    Quantity:
    Price:
    $334.91
    Subtotal:
  • On Sale
    S&S CYCLE Cylinder Kit 910-0690

    S&S CYCLE Cylinder Kit 910-0690

    S&S CYCLE

    MSRP: $1,077.95
    Now: $970.16
    Was: $1,077.95
    If you're building a high-displacement Harley engine and need reliable, precision-engineered internals, the S&S Cycle 1250cc Cylinder Kit delivers the bore and piston combination that serious builders trust. This complete kit eliminates the guesswork of...
    09310529
    SKU:
    09310529
    Availability:
    Ships Same Business Day
    Weight:
    22.95 LBS
    COLOR/FINISH:
    SILVER
    COMPRESSION RATIO IMPERIAL:
    11.2:1
    MATERIAL:
    ALUMINUM
    MATERIAL:
    IRON
    STYLE:
    BIG BORE
    BORE SIZE IMPERIAL:
    3.562'
    DISPLACEMENT:
    1250 CC
    MATERIAL:
    CAST
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    3-13/16'
    PRODUCT NAME:
    CYLINDER KIT
    TYPE:
    DOMED
    UNITS:
    KIT
    MSRP: $1,077.95
    Now: $970.16
    Was: $1,077.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,077.95
    Now: $970.16
    Was: $1,077.95
    Subtotal:
  • On Sale
    S&S CYCLE Cylinders - 4.25" - M8 - Black 910-0683

    S&S CYCLE Cylinders - 4.25" - M8 - Black 910-0683

    S&S CYCLE

    MSRP: $929.95
    Now: $836.96
    Was: $929.95
    If you're running a 4.375" stroke big-twin, displacement is everything—and these S&S Cycle cylinders deliver the bore you need for serious power gains. A bolt-on solution that transforms your engine's potential without requiring extensive machine work,...
    09310837
    SKU:
    09310837
    Availability:
    Ships Same Business Day
    Weight:
    26.61 LBS
    BORE SIZE IMPERIAL:
    4.250'
    COLOR/FINISH:
    NON-HIGHLIGHTED FINS
    PRODUCT NAME:
    CYLINDER
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    WRINKLE BLACK
    STYLE:
    BIG BORE
    UNITS:
    PAIR
    MSRP: $929.95
    Now: $836.96
    Was: $929.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $929.95
    Now: $836.96
    Was: $929.95
    Subtotal:
  • On Sale
    S&S CYCLE Cylinders and Pistons - 80" - Low Compression 91-9024

    S&S CYCLE Cylinders and Pistons - 80" - Low Compression 91-9024

    S&S CYCLE

    MSRP: $1,995.95
    Now: $1,796.36
    Was: $1,995.95
    If you're rebuilding a 80" Shovelhead and need to maintain reliable stock compression without sacrificing durability, S&S Cycle's cylinder and piston kit delivers the precision engineering your engine demands. This complete assembly eliminates the...
    09310688
    SKU:
    09310688
    Availability:
    Ships Same Business Day
    Weight:
    33.00 LBS
    MATERIAL:
    CAST IRON
    PRODUCT NAME:
    CYLINDER AND PISTON KIT
    COLOR/FINISH:
    POWDER-COATED
    STROKE LENGTH IMPERIAL:
    4-1/4'
    BORE SIZE IMPERIAL:
    3.500'
    COMPRESSION RATIO IMPERIAL:
    8.0:1
    STYLE:
    STOCK
    UNITS:
    KIT
    DISPLACEMENT:
    80'
    RIDING STYLE:
    STREET
    TYPE:
    REPLACEMENT
    MSRP: $1,995.95
    Now: $1,796.36
    Was: $1,995.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,995.95
    Now: $1,796.36
    Was: $1,995.95
    Subtotal:
  • On Sale
    S&S CYCLE Cylinder/Piston Kit - Natural 910-0179

    S&S CYCLE Cylinder/Piston Kit - Natural 910-0179

    S&S CYCLE

    MSRP: $1,155.95
    Now: $1,040.36
    Was: $1,155.95
    S&S Cycle cylinder and piston kits deliver the displacement increase your engine needs to unlock serious power gains without requiring a complete engine rebuild. The 3-1/2" bore design is engineered to work seamlessly with stock heads or S&S Performance...
    09310737
    SKU:
    09310737
    Availability:
    Ships Same Business Day
    Weight:
    27.65 LBS
    STROKE LENGTH IMPERIAL:
    4.250'
    PRODUCT NAME:
    CYLINDER AND PISTON KIT
    COMPRESSION RATIO IMPERIAL:
    8.8:1
    DISPLACEMENT:
    80'
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.500'
    COLOR/FINISH:
    NATURAL ALUMINUM
    UNITS:
    KIT
    MSRP: $1,155.95
    Now: $1,040.36
    Was: $1,155.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,155.95
    Now: $1,040.36
    Was: $1,155.95
    Subtotal:
  • On Sale
    S&S CYCLE Cylinder/Piston Kit - Black 910-0182

    S&S CYCLE Cylinder/Piston Kit - Black 910-0182

    S&S CYCLE

    MSRP: $1,231.95
    Now: $1,108.76
    Was: $1,231.95
    If you're serious about big-inch performance on a Harley platform, you need a cylinder and piston kit engineered for reliability at elevation. The S&S CYCLE 80" kit delivers the displacement and compression you need without sacrificing durability—these...
    09310738
    SKU:
    09310738
    Availability:
    Ships Same Business Day
    Weight:
    27.71 LBS
    PRODUCT NAME:
    CYLINDER AND PISTON KIT
    BORE SIZE IMPERIAL:
    3.500'
    COLOR/FINISH:
    WRINKLE BLACK
    UNITS:
    KIT
    COMPRESSION RATIO IMPERIAL:
    8.8:1
    DISPLACEMENT:
    80'
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4.250'
    MSRP: $1,231.95
    Now: $1,108.76
    Was: $1,231.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,231.95
    Now: $1,108.76
    Was: $1,231.95
    Subtotal:
  • On Sale
    S&S CYCLE Cylinder - Evolution 91-7210

    S&S CYCLE Cylinder - Evolution 91-7210

    S&S CYCLE

    MSRP: $840.95
    Now: $756.86
    Was: $840.95
    If you're rebuilding an 80" or 89" Evolution engine, cylinder wear directly impacts compression, ring seal, and overall engine reliability. The S&S Cycle Cylinder 91-7210 delivers OEM-quality performance with a proven cast-iron liner design that resists...
    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: $840.95
    Now: $756.86
    Was: $840.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $840.95
    Now: $756.86
    Was: $840.95
    Subtotal:
  • On Sale
    S&S CYCLE Cylinder and Piston Kit 910-0199

    S&S CYCLE Cylinder and Piston Kit 910-0199

    S&S CYCLE

    MSRP: $1,313.95
    Now: $1,182.56
    Was: $1,313.95
    The S&S Cycle 910-0199 Cylinder and Piston Kit is engineered to unlock significant displacement gains for Harley-Davidson big-twin engines, delivering the horsepower and torque increases serious riders demand. Whether you're building a 103" platform or...
    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: $1,313.95
    Now: $1,182.56
    Was: $1,313.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,313.95
    Now: $1,182.56
    Was: $1,313.95
    Subtotal:
  • On Sale
    S&S CYCLE Cylinder Kit - Twin Cam 910-0206

    S&S CYCLE Cylinder Kit - Twin Cam 910-0206

    S&S CYCLE

    MSRP: $1,287.95
    Now: $1,159.16
    Was: $1,287.95
    If you're serious about unlocking additional displacement and horsepower from your Twin Cam engine, the S&S Cycle Big Bore kit delivers a straightforward path to increased power without the complexity of case splitting or cylinder boring. Premium...
    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: $1,287.95
    Now: $1,159.16
    Was: $1,287.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,287.95
    Now: $1,159.16
    Was: $1,287.95
    Subtotal:
  • On Sale
    S&S CYCLE Cylinder Kit - Twin Cam 910-0202

    S&S CYCLE Cylinder Kit - Twin Cam 910-0202

    S&S CYCLE

    MSRP: $1,219.95
    Now: $1,097.96
    Was: $1,219.95
    If you're running a Twin Cam engine and want genuine power gains without a complete engine teardown, the S&S CYCLE Big Bore kit delivers real displacement increases with a straightforward cylinder swap. The cast-iron lined aluminum construction ensures...
    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: $1,219.95
    Now: $1,097.96
    Was: $1,219.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,219.95
    Now: $1,097.96
    Was: $1,219.95
    Subtotal:
  • On Sale
    S&S CYCLE Cylinder Kit - Twin Cam 910-0474

    S&S CYCLE Cylinder Kit - Twin Cam 910-0474

    S&S CYCLE

    MSRP: $1,643.95
    Now: $1,479.56
    Was: $1,643.95
    The S&S Cycle Big Bore cylinder kit delivers measurable displacement gains without the complexity of case splitting or cylinder boring. If you're running stock heads and want straightforward bolt-on performance, this kit eliminates custom fabrication...
    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: $1,643.95
    Now: $1,479.56
    Was: $1,643.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,643.95
    Now: $1,479.56
    Was: $1,643.95
    Subtotal:
  • On Sale
    S&S CYCLE Cylinder Kit - Twin Cam 910-0469

    S&S CYCLE Cylinder Kit - Twin Cam 910-0469

    S&S CYCLE

    MSRP: $1,643.95
    Now: $1,479.56
    Was: $1,643.95
    If you're running stock Twin Cam cylinders and looking to unlock real power gains without a complete engine teardown, the S&S Cycle Big Bore Kit delivers measurable displacement increases while maintaining compatibility with your existing heads. The...
    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: $1,643.95
    Now: $1,479.56
    Was: $1,643.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,643.95
    Now: $1,479.56
    Was: $1,643.95
    Subtotal:
  • On Sale
    S&S CYCLE Cylinders - 4.125" - Black 910-0401

    S&S CYCLE Cylinders - 4.125" - Black 910-0401

    S&S CYCLE

    MSRP: $924.95
    Now: $832.46
    Was: $924.95
    If you're building a 124" big-bore stroker engine for your Twin Cam, these S&S Cycle cylinders are essential for unlocking serious displacement gains. The 4.125" bore provides the foundation for aggressive performance builds, while the...
    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
    MSRP: $924.95
    Now: $832.46
    Was: $924.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $924.95
    Now: $832.46
    Was: $924.95
    Subtotal:
  • On Sale
    S&S CYCLE 96" Big Bore Kit 91-7702

    S&S CYCLE 96" Big Bore Kit 91-7702

    S&S CYCLE

    MSRP: $1,489.95
    Now: $1,340.96
    Was: $1,489.95
    Increasing displacement is one of the most direct ways to unlock additional horsepower and torque on a Harley-Davidson. The S&S Cycle 96" Big Bore Kit delivers a substantial cubic-inch jump with premium construction, giving your engine the foundation for...
    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: $1,489.95
    Now: $1,340.96
    Was: $1,489.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,489.95
    Now: $1,340.96
    Was: $1,489.95
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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)

  1. 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.
  2. 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.
  3. 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).
  4. Are stud sets durable? Yes, heat-treated steel with chrome/black finishes provides high strength and perfect thread engagement for secure cylinder mounting.
  5. 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.
  6. 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.

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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