Fuel & Air Systems

594 products

Shop the range of aftermarket motorcycle fuel & air system products at Pro Class Custom Parts.

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$343.99

Features & Benefits:- * Click-Slick Ball Bearing High Flow Petcock. * Distinctive audible click and easy to feel detent. * Spring-loaded ball plunges down on the seat securing any leak in t...

DAYTONA TWIN TEC

$324.99

* To connect all DTT modules to PC for tuning * Comes with all complete DTT Fuel Injection Modules * Does not come with base DTT Fuel Injection + Ignition Controllers * USB Interface provides USB...

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THUNDER MAX

$2,380.99

ThunderMax is an industry award winning, performance ECM designed specifically for EFI equipped Harley Davidson® motorcycles. This highly advanced, stand-alone tuning system utilizes proprietary A...

THUNDER MAX

$2,381.99

THUNDER MAX

$2,379.99

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$2,380.99

$2,380.99

$2,380.99

$2,381.99

$2,381.99

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THUNDER MAX

$2,380.99

Note: Trike Models an updated firmware file prior to installation (Due to traction control / RDRS) Please contact Rollies or support@thunder-max.com for this. Fitment 2024 Touring Models: Road K...

THUNDER MAX

$2,380.99

Does not fit 2019-2020 Trike Models (Due to traction control / RDRS) 2018 Model Trike should not have RDRS. Dealer to confirm BEFORE purchase. ThunderMax is an industry award winning, performance...

THUNDER MAX

$2,380.99

THUNDER MAX

$2,381.99

TECHNO RESEARCH TUNER

$1,819.99

Includes: * VCM-TR4 * 3-in-1 cable (Includes 4 pin, 6 pin & 2021 plug) * USB Cable * Digital Tune License Master Key * Case MFR PART No: TR4-001-009 ROLLIES PART No: TR4-001-009