2017-2023 Harley-Davidson M8 Touring Supercharger Complete 6-Ribbed ProCharger Pulley Kit

Looking to unleash serious horsepower from your 2017–2023 Harley-Davidson Milwaukee-Eight (M8) Touring bike? The Supercharger Complete 6-Ribbed ProCharger Pulley Kit available at Gilby’s Street Dept. in Hudson, WI delivers the high-performance boost, throttle response, and acceleration your bagger deserves. Built for riders who demand more power without sacrificing reliability or rideability, this ProCharger-ready pulley kit is engineered to handle major torque gains while maintaining consistent belt grip—even under extreme load.

Designed specifically for M8 Touring models, this 6-ribbed pulley system enhances belt traction, eliminates slip, and maximizes blower efficiency, resulting in smoother, harder pulls across the entire RPM range. Riders throughout the world choose Gilby’s because they want proven performance parts backed by expert support and real-world experience. Whether you’re building a highway-dominant touring machine or a weekend power cruiser, Gilby’s Street Dept. is the region’s trusted source for high-output supercharger upgrades.

This complete ProCharger pulley kit offers precision-machined construction, long-lasting durability, and the necessary compatibility for a clean and reliable installation. It’s the ideal upgrade for riders planning a full ProCharger build or enhancing an existing setup with a stronger, more dependable drive system. If your goal is to push your M8 Touring bike into a new performance tier—without compromising street manners—this kit is the foundation you need.

Gilby’s Street Dept. makes upgrading easy with professional installation, friendly local service, and premium parts selection that keeps Midwest riders coming back. Customers searching for Harley supercharger kits near Hudson, WI, M8 performance upgrades in Wisconsin, or ProCharger pulley kits for Harley Touring will find the best products and expertise right here. Stop by the shop, request a quote, or call today to kick off your build.

Ready to transform your M8 Touring bagger?
Visit Gilby’s Street Dept. in Hudson, Wisconsin, for the Supercharger Complete 6-Ribbed ProCharger Pulley Kit—built for real riders who want real horsepower.

Harley M8 Touring 6-Ribbed Pulley Complete Kit Components – Recommended for 124-inch and Up engines

6-Ribbed Outer Primary Cover 

Raw/Polished/Gloss Black

1.5” Floor Board Spacer

3 Bearings (Nachi)

6203-2NSE9C3 Intermediate Shaft

6005-2NSE9C3 Intermediate Shaft

6205C3 Compensator Bolt

Intermediate Shaft w/ Left Hand Thread

Compensator Bolt

0.100” Shim

Grade 8 ⅜-16×1 w/ Machine ⅜ Washer

Grade 8 ⅜-16×1 w/ Machine ⅜ Washer w/ Reverse Threads

⅜”x16 Bolt w/ Counter Sunk Head 1 inch

Counter Sunk Machine Washer

Crank Pulley

Raw/Gold Anodized Upper Intermediate Pulley

Raw/Gold Anodized

Upper Inside Intermediate Pulley

Raw/Gold Anodized

15lbs. Pulley

Raw/Gold Anodized

K060295 Gates Micro V-Belt

K060305 Gates Micro V-Belt

Outside Tensioner Idler Wheel 6 Rib

Inside Tensioner Idler Wheel 6 Rib

Secondary Tensioner Idler Wheel

Green Lock Tite 15002 or 49CF73

Shifter Shaft

Make sure to check out our PARTS page!

Contact Gilby’s Street Dept.

Gilby’s Street Dept. serves riders across Wisconsin, Minnesota, and the greater Midwest.

Gilby’s Street Dept. Address: 634 Glover Rd, Hudson, WI 54016