Jet Kits
Harley-Davidson jet kits provide carburetor tuning components for adjusting fuel delivery across a range of carbureted motorcycle applications. The category includes Harley-Davidson jet kits, main jets, pilot jets, slow jets, jet needles and complete tuning kits for Keihin CV, S&S, Mikuni, Bendix and Linkert carburetors. Options cover Sportster, Dyna, Softail, Touring, Evolution, Twin Cam and other Harley-Davidson applications. Carburetor type, jet size, engine configuration and motorcycle application are important when selecting the correct Harley-Davidson carburetor jet kit.
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V-Twin - 35-0312 - Carburetor Main Jet .062
V-Twin Mfg
$13.72V-Twin - 35-0312 - Carburetor Main Jet .062DescriptionCarburetor main jet is .062mm. Use when installing new exhaust system or just tuning for better performance and mileage. Fits:Replacement...$13.72 -
V-Twin - 35-0307 - Carburetor Main Jet .052
V-Twin Mfg
$13.72V-Twin - 35-0307 - Carburetor Main Jet .052DescriptionCarburetor main jet is .052mm. Use when installing new exhaust system or just tuning for better performance and mileage. Fits:Replacement...$13.72 -
V-Twin - 35-0304 - Carburetor Main Jet .046
V-Twin Mfg
MSRP: $11.86$11.74V-Twin - 35-0304 - Carburetor Main Jet .046DescriptionCarburetor main jet is .046mm. Use when installing new exhaust system or just tuning for better performance and mileage. Fits:Replacement...MSRP: $11.86$11.74 -
V-Twin - 35-0301 - Carburetor Main Jet .042
V-Twin Mfg
$15.70V-Twin - 35-0301 - Carburetor Main Jet .042DescriptionCarburetor main jet is .042mm. Use when installing new exhaust system or just tuning for better performance and mileage. Fits:Replacement...$15.70 -
V-Twin - 35-0300 - Carburetor Main Jet .040
V-Twin Mfg
$13.72V-Twin - 35-0300 - Carburetor Main Jet .040DescriptionCarburetor main jet is .040mm. Use when installing new exhaust system or just tuning for better performance and mileage. Fits:Replacement...$13.72 -
V-Twin - 35-0299 - Keihin Carburetor Slow Jet - Fits 1976-1984 Harley-Davidson FL, 1976-1989 XL, 1984-1989 FXST, 1982-1984 FXR, 1976-1984 FX, 1986-1989 FLST, 1979-1989 FLT
V-Twin Mfg
$23.52Keihin carburetor slow jet is .88mm.Sold as a pack of 5. Fits:FL 1976-1984XL 1976-1989FXST 1984-1989FXR 1982-1984FX 1976-1984FLST 1986-1989FLT 1979-1989Additional Information$23.52 -
V-Twin - 35-0298 - Keihin Carburetor Slow Jet - Fits 1976-1984 Harley-Davidson FL, 1976-1989 XL, 1984-1989 FXST, 1982-1984 FXR, 1976-1984 FX, 1984-1989 FLT
V-Twin Mfg
$15.70Keihin carburetor slow jet is 1.00mm Fits:FL 1976-1984XL 1976-1989FXST 1984-1989FXR 1982-1984FX 1976-1984FLT 1984-1989Additional Information$15.70 -
V-Twin - 35-0297 - Keihin Carburetor Slow Jet - Fits 1976-1984 Harley-Davidson FL, 1976-1989 XL, 1984-1989 FXST, 1982-1984 FXR, 1976-1984 FX, 1986-1989 FLST, 1979-1989 FLT
V-Twin Mfg
$17.01Keihin carburetor slow jet is .65mm. Fits:FL 1976-1984XL 1976-1989FXST 1984-1989FXR 1982-1984FX 1976-1984FLST 1986-1989FLT 1979-1989Additional Information$17.01 -
V-Twin - 35-0295 - Keihin Carburetor Slow Jet - Fits 1976-1984 Harley-Davidson FL, 1976-1989 XL, 1984-1989 FXST, 1982-1984 FXR, 1976-1984 FX, 1986-1989 FLST, 1979-1989 FLT
V-Twin Mfg
$15.42Keihin carburetor slow jet is .75mm. Fits:FL 1976-1984XL 1976-1989FXST 1984-1989FXR 1982-1984FX 1976-1984FLST 1986-1989FLT 1979-1989Additional Information$15.42 -
V-Twin - 35-0294 - Keihin Carburetor Slow Jet - Fits 1976-1984 Harley-Davidson FL, 1976-1989 XL, 1984-1989 FXST, 1982-1984 FXR, 1976-1984 FX, 1986-1989 FLST, 1979-1989 FLT
V-Twin Mfg
$23.84Keihin carburetor slow jet is .68mm.Sold as a pack of 5. Fits:FL 1976-1984XL 1976-1989FXST 1984-1989FXR 1982-1984FX 1976-1984FLST 1986-1989FLT 1979-1989Additional Information$23.84 -
V-Twin - 35-0179 - Shorty Carburetor Thunder Jet Kit Black
Zippers Performance
$90.59V-Twin - 35-0179 - Shorty Carburetor Thunder Jet Kit BlackDescriptionShorty carburetor Thunder Jet kit increases fuel delivery and includes extra jets for Super "E", Super "B" carburetors. Kit...$90.59 -
Mikuni - J8-8DDY01-98 - Jet Needle - Leaner - HSR 42
Mikuni
$17.59Mikuni - J8-8DDY01-98 - Jet Needle - Leaner - HSR 42FeaturesGenuine Mikuni jet needlesMade in JapanSpecs$17.59 -
Mikuni - KHS-025 - Carburetor Jet Kit - HSR42
Mikuni
$144.95Mikuni - KHS-025 - Carburetor Jet Kit - HSR42FeaturesMade in JapanSpecsRiding StyleStreet<$144.95 -
Mikuni - J8-8DDY01-97 - Jet Needle - Standard - HSR 42
Mikuni
$17.59Mikuni - J8-8DDY01-97 - Jet Needle - Standard - HSR 42FeaturesGenuine Mikuni jet needlesMade in JapanSpecs$17.59 -
Mikuni - J8-8DDY01-96 - Jet Needle - Richer - HSR 42
Mikuni
$17.59Mikuni - J8-8DDY01-96 - Jet Needle - Richer - HSR 42FeaturesGenuine Mikuni jet needlesMade in JapanSpecs$17.59 -
Mikuni - J8-8CFY02-96 - Jet Needle - Richer - HSR 45/48
Mikuni
$17.59Mikuni - J8-8CFY02-96 - Jet Needle - Richer - HSR 45/48FeaturesGenuine Mikuni jet needlesMade in JapanSpecs$17.59 -
Mikuni - J8-8DDY01-95 - Jet Needle - Richest - HSR 42
Mikuni
$17.59Mikuni - J8-8DDY01-95 - Jet Needle - Richest - HSR 42FeaturesGenuine Mikuni jet needlesMade in JapanSpecs$17.59 -
Mikuni - 990-605-065 - Replacement Short Idle Screw Adjuster
Mikuni
$26.95Mikuni - 990-605-065 - Replacement Short Idle Screw AdjusterFeaturesMade in JapanSpecsColor/FinishWhite<$26.95 -
Mikuni - KHS-034 - Main Jet Extension Kit
Mikuni
$34.99Mikuni - KHS-034 - Main Jet Extension KitFeaturesCompletely submerges main jet within extender, eliminating chance of air bubbles getting throughIncreases amount of fuel to float bowlMade in...$34.99 -
Mikuni - J8-8CFY15-96 - Needle Jet - HSR 45/48
Mikuni
$17.59Mikuni - J8-8CFY15-96 - Needle Jet - HSR 45/48FeaturesMade in JapanSpecsJet Size96$17.59 -
Goodridge - PB592-03C - Banjo - 3/8"/10mm - Straight - Stainless Steel
Goodridge
$13.95Goodridge - PB592-03C - Banjo - 3/8"/10mm - Straight - Stainless Steel Features Fittings designed for Goodridge universal brake lines All Big Twin and pre-04 XL models use standard 3/8" and...$13.95 -
Ebc - HJK27B - Dealer Main Jet Kit - Mikuni Hex Head
EBC Brakes
$134.96Ebc - HJK27B - Dealer Main Jet Kit - Mikuni Hex HeadFeaturesBrass carburetor jets are high-precision and flow-calibrated for extremely accurate fuel flow rateDealer Kits include multiple main jet...$134.96 -
Ebc - HJK27A - Dealer Main Jet Kit - Mikuni Hex Head
EBC Brakes
$134.96Ebc - HJK27A - Dealer Main Jet Kit - Mikuni Hex HeadFeaturesBrass carburetor jets are high-precision and flow-calibrated for extremely accurate fuel flow rateDealer Kits include multiple main jet...$134.96 -
Ebc - CRK32B - Dealer Main Jet Kit - Keihin Hex Head
EBC Brakes
$158.96Ebc - CRK32B - Dealer Main Jet Kit - Keihin Hex HeadFeaturesBrass carburetor jets are high-precision and flow-calibrated for extremely accurate fuel flow rateIncludes multiple main jet sizes and...$158.96 -
Ebc - CRK32A - Dealer Main Jet Kit - Keihin Hex Head
EBC Brakes
$158.96Ebc - CRK32A - Dealer Main Jet Kit - Keihin Hex HeadFeaturesBrass carburetor jets are high-precision and flow-calibrated for extremely accurate fuel flow rateIncludes multiple main jet sizes and...$158.96 -
Ebc - KJK30 - Dealer Main Jet Kit - Keihin Slot Head
EBC Brakes
$341.91Ebc - KJK30 - Dealer Main Jet Kit - Keihin Slot HeadFeaturesBrass carburetor jets are high-precision and flow-calibrated for extremely accurate fuel flow rateIncludes multiple main jet sizes and...$341.91 -
Ebc - SJK36 - Dealer Main Jet Kit - Mikuni Slot Head
EBC Brakes
$419.89Ebc - SJK36 - Dealer Main Jet Kit - Mikuni Slot HeadFeaturesBrass carburetor jets are high-precision and flow-calibrated for extremely accurate fuel flow rateDealer Kits include multiple main jet...$419.89 -
All Balls - 26-10056 - Carburetor Jet Kit - Mikuni 48 Series
All Balls
$95.21All Balls - 26-10056 - Carburetor Jet Kit - Mikuni 48 SeriesFeaturesInclude all the necessary parts for tuning a Mikuni HSR carburetorIncludes a range of main, pilot, accelerator pump jets and slide...$95.21 -
Motion Pro - 01-0075 - Replacement Choke Cable Knob - 10-32 Pitch
Motion Pro
$19.79Motion Pro - 01-0075 - Replacement Choke Cable Knob - 10-32 PitchFeaturesBlack replacement knobSold to dealers in packs of five; sold to consumer as eachMade in the U.S.A.Replacement Part for OEM...$19.79 -
Motion Pro - 01-0074 - Replacement Choke Cable Knob - 8-32 Pitch - Fits 1973-1981 FX/FL (except FXWG), 1967-1970 FL/FLH (8-32 thread pitch); repl. OEM #29214-67A
Motion Pro
$19.79Motion Pro - 01-0074 - Replacement Choke Cable Knob - 8-32 PitchFeaturesBlack replacement knobSold to dealers in packs of five; sold to consumer as eachMade in the U.S.A.Replacement Part for OEM...$19.79 -
La Choppers - LA-7608-01 - Bottle Cap Choke Cable Knob - Fits 2000-2006 Big Twin, 1988-2006 XL w/ stock choke cable; 1990-1999 Evolution Big Twin w/ stock choke cable
LA Choppers
$47.49La Choppers - LA-7608-01 - Bottle Cap Choke Cable KnobFeaturesPersonalize your choke knob with the bottle cap from your favorite beverageInstalls in minutes and can be changed as often as you...$47.49 -
Joker Machine - 02-57B - Billet Choke Cable Knob - Knurled - Black
Joker Machine
$47.95Joker Machine - 02-57B - Billet Choke Cable Knob - Knurled - BlackFeaturesA quick and easy replacement for the stock plastic choke knobAttach with included set screwMade in the U.S.A.Specs$47.95 -
Joker Machine - 02-59 - Billet Choke Cable Knob - Eight Ball - Black
Joker Machine
$47.95Joker Machine - 02-59 - Billet Choke Cable Knob - Eight Ball - BlackFeaturesA quick and easy replacement for the stock plastic choke knobAttach with included set screwMade in the U.S.A.Specs$47.95 -
Joker Machine - 02-58 - Billet Choke Cable Knob - Eight Ball - Chrome
Joker Machine
$52.95Joker Machine - 02-58 - Billet Choke Cable Knob - Eight Ball - Chrome Features A quick and easy replacement for the stock plastic choke knob Attach with included set screw Made in the U.S.A...$52.95 -
Dynojet - 8731 - Thunderslide Jet Kit - Twin Cam
Dynojet
$277.77Dynojet - 8731 - Thunderslide Jet Kit - Twin CamFeaturesUnique set of lift holes moderate how the slide moves with respect to throttle position; the faster the slide opens, the quicker the throttle...$277.77 -
Dynojet - 8708 - Thunderslide Jet Kit - Big Twin
Dynojet
$277.77Dynojet - 8708 - Thunderslide Jet Kit - Big TwinFeaturesUnique set of lift holes moderate how the slide moves with respect to throttle position; the faster the slide opens, the quicker the throttle...$277.77 -
Dynojet - 8733 - Thunderslide Jet Kit - 44 mm Keihin CV - Fits Screamin' Eagle 44 mm Keihin CV Twin Cam 88
Dynojet
$277.77Dynojet - 8733 - Thunderslide Jet Kit - 44 mm Keihin CVFeaturesUnique set of lift holes moderate how the slide moves with respect to throttle position; the faster the slide opens, the quicker the...$277.77 -
Dynojet - 8111 - Recalibration Jet Kit - Buell
Dynojet
$188.88Dynojet - 8111 - Recalibration Jet Kit - BuellFeaturesInclude the jets, needles, instructions, etc. necessary to recalibrate stock engines with CV carbsRecalibrate your stock Keihin CV carb to make...$188.88 -
Dynojet - 8130 - Thunderslide Jet Kit - Dyna/Touring
Dynojet
$222.21Dynojet - 8130 - Thunderslide Jet Kit - Dyna/TouringFeaturesUnique set of lift holes moderate how the slide moves with respect to throttle position; the faster the slide opens, the quicker the...$222.21 -
Dynojet - 8108 - Thunderslide Jet Kit - Evolution Big Twin
Dynojet
$222.21Dynojet - 8108 - Thunderslide Jet Kit - Evolution Big TwinFeaturesUnique set of lift holes moderate how the slide moves with respect to throttle position; the faster the slide opens, the quicker the...$222.21
Harley-Davidson Jet Kits – Carburetor Main Jets, Pilot Jets & Tuning Kits
Harley-Davidson jet kits contain carburetor tuning components used to adjust fuel delivery and support proper carburetor calibration for different engine and intake configurations. The range includes Harley-Davidson carburetor jet kits, main jet kits, pilot and slow jet kits, jet needles, needle clips and complete tuning kits for Keihin CV, S&S, Mikuni, Bendix and other carburetor systems. Harley-Davidson service documentation identifies main jets, slow jets, needle jets and jet needles as service components within carburetor assemblies, while Dynojet tuning instructions show that different main jet sizes can be used as starting points for different engine and intake configurations.
The product selection covers Harley-Davidson main jets, pilot jets, slow jets, adjustable main jets, jet needles and complete carburetor tuning kits. Applications include Mikuni HSR42 and HSR45 jet kits, S&S carburetor jet kits, Keihin CV jet kits, Bendix main jets, Linkert fixed jets, ThunderJet kits, ThunderSlide kits and CV recalibration kits. Mikuni HSR jet kits, for example, include combinations of main jets, pilot jets, needles, needle clips, washers and accelerator-pump components, while individual Mikuni main and pilot jets are available in multiple sizes for tuning requirements.
Jet selection depends on the carburetor model, jet type, size, engine configuration, exhaust and intake setup and motorcycle application. The available range covers older Harley-Davidson carbureted motorcycles as well as later Sportster, Evolution, Dyna, Softail, Touring and Twin Cam applications. Harley-Davidson CV jet kits, Mikuni HSR jet kits, S&S tuning kits and individual main or pilot jets provide different approaches to carburetor calibration, while the correct jet size should be determined according to the specific carburetor and overall engine configuration.