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Harley Carburetor Kits

Harley Carburetor Kits

Harley Carburetor Kits

Harley-Davidson Carburetor Kits at JJ Motorsports

Upgrade your Harley's carburetion with premium kits from JJ Motorsports, featuring high-performance Mikuni HSR 48mm race kits and S&S Super E carbs for massive power gains and crisp throttle response on Sportster XL, Shovelhead, and Evo Big Twin models. These complete kits deliver reliable tuning and easy bolt-on installation.

Shop Mikuni and S&S Cycle carburetor kits for race-proven quality. Explore related categories such as Harley air and fuel for jets and rebuild kits, or Harley for exhaust and cams to complete your intake upgrades and unleash V-Twin potential.

Top Harley-Davidson Carburetor Kits

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 Super G Carburetor with Stealth Air Cleaner Kit - Chrome - Twin Cam 110-0152 S&S CYCLE Super G Carburetor with Stealth Air Cleaner Kit - Chrome - Twin Cam 110-0152

    S&S CYCLE Super G Carburetor with Stealth Air Cleaner Kit - Chrome - Twin Cam 110-0152

    S&S CYCLE

    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    If you're running a Twin Cam 110 and want responsive throttle control without sacrificing reliability, the S&S Cycle Super G Carburetor delivers measurable fuel and air flow improvements in a bolt-on package. The adjustable accelerator pump ensures...
    10010092
    SKU:
    10010092
    Availability:
    Ships Same Business Day
    Weight:
    7.80 LBS
    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    Subtotal:
  • On Sale
    S&S CYCLE Super E Carburetor with Stealth Air Cleaner Kit - Chrome - Evolution Big Twin 110-0145 S&S CYCLE Super E Carburetor with Stealth Air Cleaner Kit - Chrome - Evolution Big Twin 110-0145

    S&S CYCLE Super E Carburetor with Stealth Air Cleaner Kit - Chrome - Evolution Big Twin 110-0145

    S&S CYCLE

    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    The S&S CYCLE Super E Carburetor transforms your Evolution Big Twin's fuel delivery and throttle response with precision engineering designed for real-world performance gains. Whether you're chasing consistency on the strip or demanding crisp...
    10010085
    SKU:
    10010085
    Availability:
    Ships Same Business Day
    Weight:
    8.25 LBS
    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    Subtotal:
  • On Sale
    S&S CYCLE Super E Carburetor with Stealth Air Cleaner Kit - Gloss Black - Evolution Big Twin 110-0146 S&S CYCLE Super E Carburetor with Stealth Air Cleaner Kit - Gloss Black - Evolution Big Twin 110-0146

    S&S CYCLE Super E Carburetor with Stealth Air Cleaner Kit - Gloss Black - Evolution Big Twin 110-0146

    S&S CYCLE

    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    The S&S Cycle Super E Carburetor transforms your Evolution Big Twin's fuel delivery and throttle response with precision engineering and increased flow capacity. This complete kit combines a tunable carburetor with a matched air cleaner system, giving...
    10010086
    SKU:
    10010086
    Availability:
    Ships Same Business Day
    Weight:
    8.20 LBS
    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    Subtotal:
  • On Sale
    S&S CYCLE Super G Carburetor with Stealth Air Cleaner Kit - Chrome - Evolution Big Twin 110-0147 S&S CYCLE Super G Carburetor with Stealth Air Cleaner Kit - Chrome - Evolution Big Twin 110-0147

    S&S CYCLE Super G Carburetor with Stealth Air Cleaner Kit - Chrome - Evolution Big Twin 110-0147

    S&S CYCLE

    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    If you're running an Evolution Big Twin and want seamless throttle response with improved fuel and air delivery, the S&S Cycle Super G Carburetor is engineered to give you exactly that. This bolt-on kit eliminates the guesswork of carburetor tuning with...
    10010087
    SKU:
    10010087
    Availability:
    Ships Same Business Day
    Weight:
    7.75 LBS
    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    Subtotal:
  • On Sale
    S&S CYCLE Super G Carburetor with Stealth Air Cleaner Kit - Gloss Black - Evolution Big Twin 110-0148 S&S CYCLE Super G Carburetor with Stealth Air Cleaner Kit - Gloss Black - Evolution Big Twin 110-0148

    S&S CYCLE Super G Carburetor with Stealth Air Cleaner Kit - Gloss Black - Evolution Big Twin 110-0148

    S&S CYCLE

    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    The S&S Cycle Super G Carburetor transforms your Evolution Big Twin's fuel and air delivery, unlocking responsive throttle control and reliable cold starts without compromising the factory dual-cable safety system. This carb's adjustable accelerator pump...
    10010088
    SKU:
    10010088
    Availability:
    Ships Same Business Day
    Weight:
    7.70 LBS
    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    Subtotal:
  • On Sale
    S&S CYCLE Super E Carburetor with Stealth Air Cleaner Kit - Chrome - Twin Cam 110-0149 S&S CYCLE Super E Carburetor with Stealth Air Cleaner Kit - Chrome - Twin Cam 110-0149

    S&S CYCLE Super E Carburetor with Stealth Air Cleaner Kit - Chrome - Twin Cam 110-0149

    S&S CYCLE

    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    The S&S Cycle Super E Carburetor transforms your Twin Cam engine's fuel delivery and throttle response with precision engineering and proven reliability. This bolt-on upgrade delivers measurable gains in mid-range power and startability while maintaining...
    10010089
    SKU:
    10010089
    Availability:
    Ships Same Business Day
    Weight:
    8.25 LBS
    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    Subtotal:
  • On Sale
    S&S CYCLE Super G Carburetor with Stealth Air Cleaner Kit - Chrome - Twin Cam 110-0150 S&S CYCLE Super G Carburetor with Stealth Air Cleaner Kit - Chrome - Twin Cam 110-0150

    S&S CYCLE Super G Carburetor with Stealth Air Cleaner Kit - Chrome - Twin Cam 110-0150

    S&S CYCLE

    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    The S&S CYCLE Super G Carburetor transforms your Twin Cam engine's fuel delivery and throttle response with precision engineering and adjustable tuning that adapts to your riding style. Whether you're chasing consistent power gains or dialing in the...
    10010090
    SKU:
    10010090
    Availability:
    Ships Same Business Day
    Weight:
    7.80 LBS
    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    Subtotal:
  • On Sale
    S&S CYCLE Super E Carburetor with Stealth Air Cleaner Kit - Chrome - Twin Cam 110-0151 S&S CYCLE Super E Carburetor with Stealth Air Cleaner Kit - Chrome - Twin Cam 110-0151

    S&S CYCLE Super E Carburetor with Stealth Air Cleaner Kit - Chrome - Twin Cam 110-0151

    S&S CYCLE

    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    If you're running a Twin Cam engine, carburetor selection directly impacts throttle response, cold-start reliability, and overall driveability. The S&S Cycle Super E delivers precision fuel metering and seamless air integration, eliminating the guesswork...
    10010091
    SKU:
    10010091
    Availability:
    Ships Same Business Day
    Weight:
    8.30 LBS
    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    Subtotal:
  • MIKUNI HSR Series 48 Race Custom - Polished 48-2P

    MIKUNI HSR Series 48 Race Custom - Polished 48-2P

    MIKUNI

    $670.00
    If you're running a custom or race engine over 120ci, the MIKUNI HSR Series 48 delivers the throttle response and fuel delivery precision that separates competitive builds from the rest. This smoothbore carb eliminates the restriction of standard units,...
    482P
    SKU:
    482P
    Availability:
    Ships Same Business Day
    Weight:
    3.65 LBS
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    BASE FINISH:
    CHROME
    BASE FINISH:
    POLISHED
    STYLE:
    SMOOTH BORE
    CARBURETOR SIZE METRIC:
    48.00 MM
    COLOR/FINISH:
    POLISHED
    PRODUCT NAME:
    CARBURETOR
    $670.00
    Qty in Cart: 0
    Quantity:
    Price:
    $670.00
    Subtotal:
  • MIKUNI HSR Series 48 Race Custom Kit 48-2

    MIKUNI HSR Series 48 Race Custom Kit 48-2

    MIKUNI

    $550.95
    If you're running a built engine over 120 cubic inches, the MIKUNI HSR Series 48 Race Custom Kit delivers the throttle response and fuel atomization your race application demands. The HSR's smoothbore design eliminates venturi restrictions, giving you...
    482X
    SKU:
    482X
    Availability:
    Ships Same Business Day
    Weight:
    3.55 LBS
    PRODUCT NAME:
    CARBURETOR
    CARBURETOR SIZE METRIC:
    48.00 MM
    COLOR/FINISH:
    NATURAL
    BASE FINISH:
    NATURAL
    STYLE:
    SMOOTH BORE
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    $550.95
    Qty in Cart: 0
    Quantity:
    Price:
    $550.95
    Subtotal:
  • MIKUNI HSR Series 45 Total Kit Big Twin Evolution 45-2

    MIKUNI HSR Series 45 Total Kit Big Twin Evolution 45-2

    MIKUNI

    $955.95
    The MIKUNI HSR Series 45 Total Kit delivers a complete carburetor system engineered to unlock measurable gains in throttle response, acceleration, and overall engine efficiency on Big Twin Evolution platforms. This bolt-on solution eliminates guesswork...
    452X
    SKU:
    452X
    Availability:
    Ships Same Business Day
    Weight:
    8.45 LBS
    BASE FINISH:
    CHROME
    BORE SIZE METRIC:
    45.00 MM
    UNITS:
    KIT
    COLOR/FINISH:
    NATURAL
    FEATURES:
    INCLUDES CHROME AIR CLEANER COVER
    FEATURES:
    INCLUDES MANIFOLD
    PRODUCT NAME:
    CARBURETOR KIT
    STYLE:
    SMOOTH BORE
    BASE FINISH:
    NATURAL
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    STREET
    $955.95
    Qty in Cart: 0
    Quantity:
    Price:
    $955.95
    Subtotal:
  • MIKUNI HSR 42 Carburetor - Polish Finish TM42-6PK

    MIKUNI HSR 42 Carburetor - Polish Finish TM42-6PK

    MIKUNI

    $530.00
    The MIKUNI HSR 42 Carburetor delivers the precision fuel metering and crisp throttle response that custom engine builders demand. Its smoothbore design minimizes restriction while maintaining stable idle and consistent performance across the RPM band. If...
    TM426P
    SKU:
    TM426P
    Availability:
    Ships Same Business Day
    Weight:
    3.40 LBS
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    CARBURETOR
    UNITS:
    EACH
    BASE FINISH:
    POLISHED
    BORE SIZE METRIC:
    42.00 MM
    COLOR/FINISH:
    POLISHED
    BASE FINISH:
    CHROME
    RIDING STYLE:
    STREET
    STYLE:
    SMOOTH BORE
    $530.00
    Qty in Cart: 0
    Quantity:
    Price:
    $530.00
    Subtotal:
  • On Sale
    S&S CYCLE "G"  Carburetor Kit for '93-'99 80" Big-Twin 11-0434

    S&S CYCLE "G" Carburetor Kit for '93-'99 80" Big-Twin 11-0434

    S&S CYCLE

    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    The S&S Cycle "G" Super E carburetor delivers precise fuel metering and responsive throttle control for Big Twin engines up to 100 cubic inches. This bolt-on kit eliminates stock carburetor limitations, giving you the air-fuel atomization needed for...
    DS0434
    SKU:
    DS0434
    Availability:
    Ships Same Business Day
    Weight:
    6.69 LBS
    UNITS:
    KIT
    BASE COLOR:
    SILVER
    COLOR/FINISH:
    NATURAL
    STYLE:
    SUPER G
    COLOR/FINISH:
    CHROME
    FEATURES:
    INCLUDES MANIFOLD
    PRODUCT NAME:
    CARBURETOR KIT
    RIDING STYLE:
    STREET
    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    Subtotal:
  • On Sale
    S&S CYCLE "E" Carburetor without Manifold - '93-'99 11-0442

    S&S CYCLE "E" Carburetor without Manifold - '93-'99 11-0442

    S&S CYCLE

    MSRP: $695.95
    Now: $626.36
    Was: $695.95
    The S&S Cycle "E" Carburetor delivers precise fuel metering and responsive throttle control for Big Twin and Sportster engines, eliminating the guesswork of carb selection for builds up to 100 cubic inches. Its proven 1-7/8" butterfly throat and 1-9/16"...
    DS0442
    SKU:
    DS0442
    Availability:
    Ships Same Business Day
    Weight:
    6.38 LBS
    BASE COLOR:
    SILVER
    COLOR/FINISH:
    NATURAL
    UNITS:
    KIT
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    CARBURETOR
    STYLE:
    SUPER E
    FEATURES:
    WITHOUT MANIFOLD
    RIDING STYLE:
    STREET
    MSRP: $695.95
    Now: $626.36
    Was: $695.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $695.95
    Now: $626.36
    Was: $695.95
    Subtotal:
  • On Sale
    S&S CYCLE "E" Carburetor - '99-'05 Twin Cam 11-0450

    S&S CYCLE "E" Carburetor - '99-'05 Twin Cam 11-0450

    S&S CYCLE

    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    The S&S Cycle "E" Carburetor delivers precise fuel metering and responsive throttle control for Big Twin and Sportster engines, giving you the air-fuel mixture consistency that separates reliable power from guesswork. Whether you're tuning a stock build...
    DS0452
    SKU:
    DS0452
    Availability:
    Ships Same Business Day
    Weight:
    6.94 LBS
    BASE COLOR:
    SILVER
    COLOR/FINISH:
    NATURAL
    UNITS:
    KIT
    COLOR/FINISH:
    CHROME
    FEATURES:
    INCLUDES MANIFOLD
    PRODUCT NAME:
    CARBURETOR
    STYLE:
    SUPER E
    RIDING STYLE:
    STREET
    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    Subtotal:
  • On Sale
    S&S CYCLE "G" Carburetor - '99-'05 Twin Cam 11-0451

    S&S CYCLE "G" Carburetor - '99-'05 Twin Cam 11-0451

    S&S CYCLE

    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    The S&S Cycle "G" Carburetor is engineered for Big Twin and Sportster engines demanding reliable fuel delivery and precise throttle control. With a 1-7/8" butterfly throat and 1-9/16" venturi, this carb provides the flow capacity needed for engines up to...
    DS0453
    SKU:
    DS0453
    Availability:
    Ships Same Business Day
    Weight:
    6.88 LBS
    COLOR/FINISH:
    CHROME
    FEATURES:
    INCLUDES MANIFOLD
    RIDING STYLE:
    STREET
    BASE COLOR:
    SILVER
    COLOR/FINISH:
    NATURAL
    PRODUCT NAME:
    CARBURETOR KIT
    STYLE:
    SUPER G
    UNITS:
    KIT
    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $895.95
    Now: $806.36
    Was: $895.95
    Subtotal:
  • On Sale
    S&S CYCLE "E" for '91-'03 XL 11-0409

    S&S CYCLE "E" for '91-'03 XL 11-0409

    S&S CYCLE

    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    The S&S Cycle Super E carburetor delivers precise fuel metering and responsive throttle control across the entire RPM range, making it the go-to choice for Harley-Davidson Big Twin and Sportster engines demanding reliable performance. With its proven...
    DS0409
    SKU:
    DS0409
    Availability:
    Ships Same Business Day
    Weight:
    6.88 LBS
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    CARBURETOR
    BASE COLOR:
    SILVER
    COLOR/FINISH:
    CHROME
    COLOR/FINISH:
    NATURAL
    FEATURES:
    INCLUDES MANIFOLD
    STYLE:
    SUPER E
    UNITS:
    KIT
    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $795.95
    Now: $716.36
    Was: $795.95
    Subtotal:
  • On Sale
    S&S CYCLE "G" Carburetor - Black 110-0100

    S&S CYCLE "G" Carburetor - Black 110-0100

    S&S CYCLE

    MSRP: $540.95
    Now: $486.86
    Was: $540.95
    The S&S Cycle "G" Carburetor delivers precise fuel metering and responsive throttle control for Big Twin and Sportster engines, eliminating the guesswork of carb selection on builds up to 100 cubic inches. Its proven 1-7/8" butterfly throat and 1-9/16"...
    10010044
    SKU:
    10010044
    Availability:
    Ships Same Business Day
    Weight:
    2.40 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    STREET
    BASE COLOR:
    BLACK
    STYLE:
    SUPER G
    UNITS:
    EACH
    STYLE:
    BIG BORE
    PRODUCT NAME:
    CARBURETOR
    MSRP: $540.95
    Now: $486.86
    Was: $540.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $540.95
    Now: $486.86
    Was: $540.95
    Subtotal:
  • On Sale
    S&S CYCLE "E" Carburetor - '36-'84 11-0412

    S&S CYCLE "E" Carburetor - '36-'84 11-0412

    S&S CYCLE

    MSRP: $695.95
    Now: $626.36
    Was: $695.95
    The S&S Cycle "E" Carburetor is the trusted choice for serious Big Twin and Sportster builders who demand reliable fuel delivery and responsive throttle control. Its 1-7/8" throat diameter and optimized venturi geometry support engines up to 100 cubic...
    10010045
    SKU:
    10010045
    Availability:
    Ships Same Business Day
    Weight:
    6.35 LBS
    FEATURES:
    WITHOUT MANIFOLD
    UNITS:
    KIT
    BASE COLOR:
    SILVER
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    CHROME
    COLOR/FINISH:
    NATURAL
    PRODUCT NAME:
    CARBURETOR
    STYLE:
    SUPER E
    MSRP: $695.95
    Now: $626.36
    Was: $695.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $695.95
    Now: $626.36
    Was: $695.95
    Subtotal:
  • On Sale
    S&S CYCLE "G" Carburetor for T14-Style 110-0120

    S&S CYCLE "G" Carburetor for T14-Style 110-0120

    S&S CYCLE

    MSRP: $2,449.95
    Now: $2,204.96
    Was: $2,449.95
    The S&S Cycle "G" Carburetor delivers precise fuel metering and responsive throttle control that separates dialed-in performance machines from the rest. Whether you're tuning a Big Twin cruiser or maximizing Sportster efficiency, this carb provides the...
    10010046
    SKU:
    10010046
    Availability:
    Ships Same Business Day
    Weight:
    6.75 LBS
    STYLE:
    SUPER G
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK
    FEATURES:
    INCLUDES MANIFOLD
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    NATURAL
    FEATURES:
    NO AIR CLEANER COVER
    PRODUCT NAME:
    CARBURETOR KIT
    BASE COLOR:
    BLACK
    MSRP: $2,449.95
    Now: $2,204.96
    Was: $2,449.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,449.95
    Now: $2,204.96
    Was: $2,449.95
    Subtotal:
  • Total: items /

Adding your products to cart

Buying Guide and FAQs

Buying Guide: Factors to Consider When Choosing Harley Bike Carburetor Kits

  • Compatibility: Ensure the kit fits your Harley's model (e.g., Big Twin Evo 1993-1999, Twin Cam 1999-2005, XL Sportster 1991-2003, Shovelhead 1966-1978) and engine size (e.g., 80" to 100"). Use the vehicle selector for year-specific matches to avoid throttle or manifold issues.
  • Type of Use: For street cruising or touring, opt for Super E kits with 1-7/8" throat for smooth response; high-performance or race builds benefit from HSR 42/45/48 or Super G for maximum power and acceleration in demanding conditions.
  • Components and Upgrades: Select kits with carbs, manifolds, air cleaners, cables, and hardware; upgrade to polished or black finishes for style. Focus on smoothbore designs, adjustable accelerator pumps, and high-flow filters for better throttle and mileage.
  • Brand and Quality: Choose S&S Cycle for Super E/G kits with proven throttle response or Mikuni for HSR series with race-custom options. Prioritize made-in-USA/Japan quality with chrome/natural/polished finishes for durability and reliability.
  • Installation and Cost: Most kits are bolt-on with included hardware for easy DIY setup; prices range from $499.95 for standard carbs to $955.95 for total kits—factor in sales (up to 10% off) and free shipping over $99 for value.

Frequently Asked Questions (FAQs)

  1. What Harley models do these carburetor kits support? Kits support Big Twin (1993-1999), Twin Cam (1999-2005), XL Sportster (1991-2003), Shovelhead (1966-1978), and more—use the year/make/model filter for exact compatibility, including manifold inclusions.
  2. How do Super E/G carbs improve performance? They offer excellent throttle response, power gains, and mileage with 1-7/8" throat and 1-9/16" venturi, ideal for engines up to 100-cubic-inch.
  3. What is typically included in a kit? Most include carbs, manifolds, air cleaners (e.g., K&N), choke cables, hardware, and instructions; check details for polished finishes or race customs.
  4. Are these kits suitable for custom engines? Yes, HSR 48mm kits are designed for custom/race engines with high-flow features and tuning jets included.
  5. What if a kit doesn't fit my Harley? Verify engine size, carb type (Super E/G, HSR), and manifold requirements before buying. Our returns policy allows exchanges or refunds if it doesn't match.
  6. Can I find related air and fuel parts? Yes—explore jets, rebuild kits, or air cleaners in the Harley air and fuel category to complement your carb upgrade for optimal performance.

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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