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Harley Cylinders and Parts

Harley Cylinders and Parts

Harley Cylinders and Parts

Revamp your engine with top-quality Harley performance cylinders. These parts are meticulously crafted to boost power, enhance cooling efficiency, and provide high durability for long-lasting use.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • COLONY Cylinder Stud Set 8858-8

    COLONY Cylinder Stud Set 8858-8

    COLONY

    $37.95
    COLONY Cylinder Stud Set 8858-8Heat-treated for strength and durability, Equal or surpass original equipment, Made in the U.S.A.
    DS189954
    SKU:
    DS189954
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    TYPE:
    CYLINDER
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    STUD SET
    RIDING STYLE:
    STREET
    UNITS:
    8 PACK
    $37.95
    Qty in Cart: 0
    Quantity:
    Price:
    $37.95
    Subtotal:
  • COLONY Cylinder Stud Set 9424-8

    COLONY Cylinder Stud Set 9424-8

    COLONY

    $101.95
    COLONY Cylinder Stud Set 9424-8Heat-treated for strength and durability, Equal or surpass original equipment
    DS189953
    SKU:
    DS189953
    Availability:
    Ships Same Business Day
    Weight:
    1.44 LBS
    PRODUCT NAME:
    STUD SET
    RIDING STYLE:
    STREET
    UNITS:
    8 PACK
    TYPE:
    CYLINDER
    $101.95
    Qty in Cart: 0
    Quantity:
    Price:
    $101.95
    Subtotal:
  • COLONY Cylinder Stud Set 9507-8

    COLONY Cylinder Stud Set 9507-8

    COLONY

    $88.95
    COLONY Cylinder Stud Set 9507-8Heat-treated for strength and durability, Equal or surpass original equipment
    DS189952
    SKU:
    DS189952
    Availability:
    Ships Same Business Day
    Weight:
    1.25 LBS
    RIDING STYLE:
    STREET
    TYPE:
    CYLINDER
    UNITS:
    8 PACK
    PRODUCT NAME:
    STUD SET
    $88.95
    Qty in Cart: 0
    Quantity:
    Price:
    $88.95
    Subtotal:
  • EASTERN MOTORCYCLE PARTS Cylinder Base Studs - XL A-16830-54

    EASTERN MOTORCYCLE PARTS Cylinder Base Studs - XL A-16830-54

    EASTERN MOTORCYCLE PARTS

    $10.95
    EASTERN MOTORCYCLE PARTS Cylinder Base Studs XL A-16830-542-5/16” long, Sold in a set of four for one cylinder, Made in the U.S.A.
    09310317
    SKU:
    09310317
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    STUD SET
    UNITS:
    4 PACK
    TYPE:
    CYLINDER
    RIDING STYLE:
    STREET
    $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • COLONY Cylinder Stud Set - 1930-1977 Big Twin 8856-8

    COLONY Cylinder Stud Set - 1930-1977 Big Twin 8856-8

    COLONY

    $39.95
    COLONY Cylinder Stud Set 1930-1977 Big Twin 8856-8Heat-treated for strength and durability, Equal or surpass original equipment, Made in the U.S.A.
    DS189956
    SKU:
    DS189956
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    UNITS:
    8 PACK
    TYPE:
    CYLINDER
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    STUD SET
    RIDING STYLE:
    STREET
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • COLONY Cylinder Stud Set - 1978-1984 Big Twin 8857-8

    COLONY Cylinder Stud Set - 1978-1984 Big Twin 8857-8

    COLONY

    $39.95
    COLONY Cylinder Stud Set 1978-1984 Big Twin 8857-8Heat-treated for strength and durability, Equal or surpass original equipment, Made in the U.S.A.
    DS189955
    SKU:
    DS189955
    Availability:
    Ships Same Business Day
    Weight:
    0.69 LBS
    TYPE:
    CYLINDER
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    STUD SET
    RIDING STYLE:
    STREET
    UNITS:
    8 PACK
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-101W

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-101W

    REVOLUTION PERFORMANCE, LLC

    $1,479.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-101WREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311026
    SKU:
    09311026
    Availability:
    Ships Same Business Day
    Weight:
    22.70 LBS
    STROKE LENGTH IMPERIAL:
    4'
    UNITS:
    KIT
    COMPRESSION RATIO IMPERIAL:
    10.3:1
    DISPLACEMENT:
    98'
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.9375'
    COLOR/FINISH:
    NATURAL
    PRODUCT NAME:
    CYLINDER KIT
    $1,479.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,479.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-103W

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-103W

    REVOLUTION PERFORMANCE, LLC

    $1,479.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-103WREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311027
    SKU:
    09311027
    Availability:
    Ships Same Business Day
    Weight:
    23.00 LBS
    COLOR/FINISH:
    HIGHLIGHTED FINS
    COMPRESSION RATIO IMPERIAL:
    10.3:1
    DISPLACEMENT:
    98'
    BORE SIZE IMPERIAL:
    3.9375'
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    CYLINDER KIT
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4'
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $1,479.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-110W

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-110W

    REVOLUTION PERFORMANCE, LLC

    $1,479.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-110WREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311028
    SKU:
    09311028
    Availability:
    Ships Same Business Day
    Weight:
    22.70 LBS
    COLOR/FINISH:
    NATURAL
    COMPRESSION RATIO IMPERIAL:
    9.3:1
    BORE SIZE IMPERIAL:
    3.9375'
    RIDING STYLE:
    STREET
    DISPLACEMENT:
    98'
    PRODUCT NAME:
    CYLINDER KIT
    STROKE LENGTH IMPERIAL:
    4'
    UNITS:
    KIT
    $1,479.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,479.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-111W

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-111W

    REVOLUTION PERFORMANCE, LLC

    $1,479.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-111WREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311029
    SKU:
    09311029
    Availability:
    Ships Same Business Day
    Weight:
    22.80 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
    Qty in Cart: 0
    Quantity:
    Price:
    $1,479.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-119W

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-119W

    REVOLUTION PERFORMANCE, LLC

    $1,479.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-119WREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311030
    SKU:
    09311030
    Availability:
    Ships Same Business Day
    Weight:
    22.55 LBS
    BORE SIZE IMPERIAL:
    3.9375'
    COLOR/FINISH:
    BLACK
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    DISPLACEMENT:
    107'
    PRODUCT NAME:
    CYLINDER KIT
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4-3/8'
    COLOR/FINISH:
    HIGHLIGHTED FINS
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $1,479.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-119WD

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-119WD

    REVOLUTION PERFORMANCE, LLC

    $1,479.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-119WDREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311032
    SKU:
    09311032
    Availability:
    Ships Same Business Day
    Weight:
    22.65 LBS
    COMPRESSION RATIO IMPERIAL:
    10.6:1
    DISPLACEMENT:
    107'
    PRODUCT NAME:
    CYLINDER KIT
    STROKE LENGTH IMPERIAL:
    4-3/8'
    COLOR/FINISH:
    HIGHLIGHTED FINS
    BORE SIZE IMPERIAL:
    3.9375'
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $1,479.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-174W

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-174W

    REVOLUTION PERFORMANCE, LLC

    $1,479.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-174WREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311034
    SKU:
    09311034
    Availability:
    Ships Same Business Day
    Weight:
    22.20 LBS
    STROKE LENGTH IMPERIAL:
    4-3/8'
    DISPLACEMENT:
    113'
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    4.060'
    COLOR/FINISH:
    HIGHLIGHTED FINS
    COMPRESSION RATIO IMPERIAL:
    10.6:1
    PRODUCT NAME:
    CYLINDER KIT
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $1,479.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-177W

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-177W

    REVOLUTION PERFORMANCE, LLC

    $1,479.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-177WREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311035
    SKU:
    09311035
    Availability:
    Ships Same Business Day
    Weight:
    22.30 LBS
    COLOR/FINISH:
    BLACK GRANITE
    DISPLACEMENT:
    113'
    UNITS:
    KIT
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4-3/8'
    BORE SIZE IMPERIAL:
    4.060'
    COMPRESSION RATIO IMPERIAL:
    10.6:1
    PRODUCT NAME:
    CYLINDER KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $1,479.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-140TM

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-140TM

    REVOLUTION PERFORMANCE, LLC

    $1,599.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-140TMREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311036
    SKU:
    09311036
    Availability:
    Ships Same Business Day
    Weight:
    21.85 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
    $1,599.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,599.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-601W

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-601W

    REVOLUTION PERFORMANCE, LLC

    $1,529.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-601WREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311037
    SKU:
    09311037
    Availability:
    Ships Same Business Day
    Weight:
    24.45 LBS
    COLOR/FINISH:
    HIGHLIGHTED FINS
    COMPRESSION RATIO IMPERIAL:
    11.2:1
    BORE SIZE IMPERIAL:
    4.250'
    DISPLACEMENT:
    124'
    PRODUCT NAME:
    CYLINDER KIT
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4-3/8'
    COLOR/FINISH:
    BLACK
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $1,529.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-603W

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-603W

    REVOLUTION PERFORMANCE, LLC

    $1,529.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-603WREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311038
    SKU:
    09311038
    Availability:
    Ships Same Business Day
    Weight:
    24.40 LBS
    COMPRESSION RATIO IMPERIAL:
    11.2:1
    DISPLACEMENT:
    124'
    PRODUCT NAME:
    CYLINDER KIT
    STROKE LENGTH IMPERIAL:
    4-3/8'
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    4.250'
    $1,529.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,529.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-606W

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-606W

    REVOLUTION PERFORMANCE, LLC

    $1,529.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-606WREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311039
    SKU:
    09311039
    Availability:
    Ships Same Business Day
    Weight:
    24.25 LBS
    DISPLACEMENT:
    128'
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    4.250'
    COLOR/FINISH:
    HIGHLIGHTED FINS
    PRODUCT NAME:
    CYLINDER KIT
    STROKE LENGTH IMPERIAL:
    4-1/2'
    COLOR/FINISH:
    BLACK
    COMPRESSION RATIO IMPERIAL:
    11.3:1
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $1,529.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-607W

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-607W

    REVOLUTION PERFORMANCE, LLC

    $1,529.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-607WREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311040
    SKU:
    09311040
    Availability:
    Ships Same Business Day
    Weight:
    24.35 LBS
    DISPLACEMENT:
    128'
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK GRANITE
    BORE SIZE IMPERIAL:
    4.250'
    PRODUCT NAME:
    CYLINDER KIT
    STROKE LENGTH IMPERIAL:
    4-1/2'
    COMPRESSION RATIO IMPERIAL:
    11.3:1
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $1,529.95
    Subtotal:
  • REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-608W

    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-608W

    REVOLUTION PERFORMANCE, LLC

    $1,529.95
    REVOLUTION PERFORMANCE, LLC Cylinder Kit RP201-608WREVOLUTION PERFORMANCE, LLC Cylinder Kit
    09311041
    SKU:
    09311041
    Availability:
    Ships Same Business Day
    Weight:
    24.40 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
    $1,529.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,529.95
    Subtotal:
  • Total: items /

Adding your products to cart

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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