Fuel Injection & Components

110 products

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

$2,369.99

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

$2,369.99

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THUNDER MAX

$2,369.99

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 Kin...

THUNDER MAX

$2,369.99

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

$2,369.99

TECHNO RESEARCH TUNER

$1,958.99

This kit is intended to be used with TR200053-M01 USB keys. (To use Digital Licenses you MUST purchase TR200053-M07) Includes: * VCM-TR4 * 3-in-1 cable (Includes 4 pin, 6 pin & 2021 plug) * U...

QUANTUM FUEL SYSTEMS

$388.99

Features & Benefits:- * OEM or better performance * Polished corrosion-resistant case to help minimize seizing during non-operation * Specifically designed for quiet operation * Drop-in replac...

ROLLIES SPEED SHOP

$621.99

Features & Benefits: * Made in the USA using the latest injector technology * Sold in matched sets (two injectors) * Detailed test report included with each set * Grams Per Second @ 58 psi = 8...

ROLLIES SPEED SHOP

$631.99

Features & Benefits: * Made in the USA using the latest injector technology * Sold in matched sets (two injectors) * Detailed test report included with each set * Grams Per Second @ 58 psi = 7...

ROLLIES SPEED SHOP

$621.99

Features & Benefits: * Made in the USA using the latest injector technology * Sold in matched sets (two injectors) * Detailed test report included with each set * Grams Per Second @ 58 psi = 9...

ROLLIES SPEED SHOP

$592.99

Features & Benefits: * Made in the USA using the latest injector technology * Sold in matched sets (two injectors) * Detailed test report included with each set * Grams Per Second @ 58 psi = 7...

ROLLIES SPEED SHOP

$550.99

Features & Benefits: * Made in the USA using the latest injector technology * Sold in matched sets (two injectors) * Detailed test report included with each set * Grams Per Second @ 58 psi = 5...

ROLLIES SPEED SHOP

$560.99

Features & Benefits: * Made in the USA using the latest injector technology * Sold in matched sets (two injectors) * Detailed test report included with each set * Grams Per Second @ 58 psi = 7...

ROLLIES SPEED SHOP

$561.99

Features & Benefits: * Made in the USA using the latest injector technology * Sold in matched sets (two injectors) * Detailed test report included with each set * Grams Per Second @ 58 psi = 7...

ROLLIES SPEED SHOP

$561.99

Features & Benefits: * Made in the USA using the latest injector technology * Sold in matched sets (two injectors) * Detailed test report included with each set * Grams Per Second @ 58 psi = 5...