Fuel & Air

Hiflofiltro HFA6401 - Air Filter

Precision engineered to perfectly fit the factory airbox, these filters meet or exceed OEM specifications Direct replacement of original equipment filter with no need to change carburetor jets or settings

Hiflofiltro HFF6011 - Foam Air Filter

Feature two layers of special Hiflo foam, providing dual advantages of high air flow for top engine performance and maximum filtration Filter can be used over and over again without any loss of performance

High Flow Injector

FeaturesOEM replacement partsSpecs Units: Each Product Name: Fuel Injector Flow Rate: 46.83 lb/h Riding Style: StreetApproximate Package Weight & Dimensions Weight: 0.1 Height: 1.25 Length: 3.77 Width: 2.71Fitments Years Make Model 2004 - 2005...

High Volume Single Fuel Inlet

FeaturesFlow more fuel than the stock OEM nipplesInclude removal toolMade in the U.S.A.Specs Units: Kit Color/Finish: Polished Product Name: Fuel Nipple Riding Style: Street Finish: Polished Material: Brass Model: High-FlowApproximate Package Weight...

Horsepower, Inc HPI-51D6-16B - Throttle Body - Black - 51mm/1.66

Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges and seals Flow bench-tested and dyno-proven to deliver increased airflow, horsepower and torque Brass throttle blade resists deflection, which helps maintain...

Horsepower, Inc HPI-51D6-17B - Throttle Body - Black - 51mm/1.71

FeaturesIncludes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges and sealsFlow bench-tested and dyno-proven to deliver increased airflow, horsepower and torqueBrass throttle blade resists deflection, which helps...

Horsepower, Inc HPI-55D6-16B - Throttle Body - Black - 55mm/1.66

Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges and seals Flow bench-tested and dyno-proven to deliver increased airflow, horsepower and torque Brass throttle blade resists deflection, which helps maintain...

Horsepower, Inc HPI-55D6-18B - Throttle Body - Black - 55mm/1.80

Includes throttle body, CNC ported intake manifold, throttle cable bracket, intake flanges and seals Flow bench-tested and dyno-proven to deliver increased airflow, horsepower and torque Brass throttle blade resists deflection, which helps maintain...

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...

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...