Fuel & Air

Horsepower, Inc HPI-55MF6-18B - Throttle Body - Black - 55/1.80

Completely replaces OEM throttle body and manifold; fully compatible with OEM components Specifically designed for larger cubic inch motors that require substantial airflow Equipped with a sealed double roller bearing for smooth throttle operation ...

Horsepower, Inc HPI-58D6-18B - Throttle Body - Black - 58/1.80

Completely replaces OEM throttle body and manifold; fully compatible with OEM components Specifically designed for larger cubic inch motors that require substantial airflow Equipped with a sealed double roller bearing for smooth throttle operation ...

Horsepower, Inc HPI-58D6-76B - Throttle Body - Black - 58/1.76

Completely replaces OEM throttle body and manifold; fully compatible with OEM components Specifically designed for larger cubic inch motors that require substantial airflow Equipped with a sealed double roller bearing for smooth throttle operation ...

Horsepower, Inc HPI-IF-6L - Intake Flange - '06-'17 Big Twin

FeaturesCNC-machined 6061 billet aluminum constructionWill not crack or warp like some forged flangesMade in the U.S.A.Includes sealsSpecs Finish: Raw Riding Style: Street Features: Includes Gaskets Type: Flange Color/Finish: Raw Material: Aluminum...

HSR 42/4548 Smoothbore Carburetors Filter

FeaturesMade in JapanSpecs Filter Media Material: Cotton Gauze Riding Style: Street Filter Shape: Round Mounting Flange/Inside Diameter: 2.50" Units: Each Product Name: Air Filter Style: Clamp-OnApproximate Package Weight & Dimensions Weight: 0.81...

HSR 45Carburetor - 99-06 Twin Cam

FeaturesIncludes a performance intake manifold, rubber flange, 45mm carb, high-flow K&N filter, air cleaner cover, breather kit and hardwareIncrease throttle response and power, acceleration and gas mileageUse stock throttle cables for easier...

HSR 45Carburetor - Polish Finish

FeaturesFor the high-performance engine builder who needs a carb for specific custom applicationsHSR smoothbore carbs offer excellent throttle response and controlWell made for years of dependable serviceMade in JapanSpecs Bore Size: 45.00 mm...

HSR 45Carburetor - Standard Finish

FeaturesFor the high-performance engine builder who needs a carb for specific custom applicationsHSR smoothbore carbs offer excellent throttle response and controlWell made for years of dependable serviceMade in JapanSpecs Units: Each Color/Finish:...

HSR Series 45Total Kit Big Twin Evolution

FeaturesIncludes a performance intake manifold, rubber flange, 45mm carb, high-flow K&N filter, air cleaner cover, breather kit and hardwareIncrease throttle response and power, acceleration and gas mileageUse stock throttle cables for easier...

Injector Fuel - 6.2 gm/sec - Pair

FeaturesRecommended for "Big Inch" engines with large plenums (120 hp or greater)43% increase in flow over stock injectors6.2 gps (grams per second)Made in the U.S.A.Specs Riding Style: Street Flow Rate: 6.20 g/s Model: Yellow Band Product Name: Fuel...

Intake Flange - 01-05 Big Twin

FeaturesCNC-machined 6061 billet aluminum constructionWill not crack or warp like some forged flangesMade in the U.S.A.Includes sealsSpecs Material: Aluminum Riding Style: Street Units: Set Color/Finish: Raw Type: Flange Features: Includes Gaskets...

James Gasket JGI-29241-08 - Air Cleaner Gasket - '08-'16 FLT

FeaturesSelection of high-quality Genuine James gaskets, seals and O-ringsMade in the U.S.A.Specs Material: Paper Riding Style: Street Product Name: Air Cleaner Backplate Units: 10 Pack Model: Big TwinApproximate Package Weight & Dimensions Weight: 0...

Jet Kit - Big Twin 89-99 80"

FeaturesDetailed instructions for jetting your motor from stock to modifiedIncludes two slow jets, two main jets and a jet needleGenuine Keihin partsNo need for drillingSpecs Model: Big Twin Product Name: Jet Kit Jet Size: 45 Units: Kit Jet Size: 180 Jet...

Jet Kit - Twin Cam

FeaturesRecalibrate your stock CV carb to make the most out of the air cleaner, exhaust and cam changes or head workKit contains a #5 MAHR needle, 08 B00 jet holder, #45, #48 and #50 slow jets, and #190, #195, #200 and #205 main jetsSuggested jetting...

Jet Kit - XL 04-06

FeaturesDetailed instructions for jetting your motor from stock to modifiedIncludes two slow jets, two main jets and a jet needleGenuine Keihin partsNo need for drillingSpecs Jet Size: 190 Model: Sportster Jet Size: 45 Product Name: Jet Kit Units: Kit...

Jet Kit - XL 1200 88-03

FeaturesDetailed instructions for jetting your motor from stock to modifiedIncludes two slow jets, two main jets and a jet needleGenuine Keihin partsNo need for drillingSpecs Jet Size: 180 Model: Sportster Units: Kit Jet Size: 175 Jet Size: 45 Jet Size:...

Jet Kit - XL 1200S

FeaturesDetailed instructions for jetting your motor from stock to modifiedIncludes two slow jets, two main jets and a jet needleGenuine Keihin partsNo need for drillingSpecs Jet Size: 180 Riding Style: Street Jet Size: 200 Model: Sportster Jet Size: 45...

Jet Kit for 88-99 Harley-Davidsonwith CV Carburetors

FeaturesKit has all the components for dialing in a CV carb with or without an accelerator pumpSuper high-quality recalibration kit for CV carbsSpecs Units: Kit Product Name: Recalibration Kit Riding Style: StreetApproximate Package Weight &...

Joker Machine 02-142C - Fin Air Cleaner - Chrome - Twin Cam

FeaturesHas Joker's exclusive "baffle plate" crankcase breathing system, held all together with high-strength 12-point alloy mounting boltsSuper-clean design features all-CNC-machined billet aluminum construction throughoutImproves leg clearance over the...

Joker Machine 02-21F - Flame Air Cleaner Cover - Twin Cam '99-'17

FeaturesMade in the U.S.A.Specs Finish: Chrome Product Name: Insert Color/Finish: Chrome Material: Aluminum Riding Style: Street Type: Air Cleaner Units: Each Design: FlameApproximate Package Weight & Dimensions Weight: 0.63 Height: 0.74 Length: 11...

Joker Machine 02-21FN - Finned Air Cleaner Insert

FeaturesMade in the U.S.A.Specs Finish: Chrome Design: Finned Material: Aluminum Product Name: Insert Riding Style: Street Color/Finish: Chrome Type: Air Cleaner Units: EachApproximate Package Weight & Dimensions Weight: 0.65 Height: 0.68 Length: 12...

Joker Machine 02-21S - Smooth Air Cleaner Cover - Twin Cam '99-'17

FeaturesMade in the U.S.A.Specs Finish: Chrome Design: Smooth Product Name: Insert Color/Finish: Chrome Material: Aluminum Riding Style: Street Type: Air Cleaner Units: EachApproximate Package Weight & Dimensions Weight: 0.63 Height: 0.86 Length: 11...

Joker Machine 02-21TC - Finned Air Cleaner Insert - Black

FeaturesMade in the U.S.A.Specs Design: Finned Material: Aluminum Product Name: Insert Riding Style: Street Type: Air Cleaner Units: EachApproximate Package Weight & Dimensions Weight: 0.53 Height: 0.86 Length: 11.92 Width: 8.93Fitments Years Make...

Joker Machine 02-220-1 - Finned Air Cleaner Cover - Black

FeaturesCovers the outside of the air filter when replacing the existing air cleaner coverFits over a 5.5" area; overall outside diameter is 5.75"All necessary mounting hardware includedCNC-machined from billet aluminumMade in the U.S.A.Specs Product...