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

 

Looking to unleash serious horsepower from your 2017+ 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

GEN 1: 2017 to 2023

GST-020STBR M8 6-RIB INSIDE INTER. PULLEY WINDOWED / RAW

GST-018STBR M8 6-RIB CRANK PULLEY WINDOWED / RAW

GST-010B M8 FLOOR BOARD SPACER LH

GST-017STB M8 6-RIB COMP. BOLT

GST-CB0100 M8 COMP. BOLT SHIM .0100″ THICK FEELING

GST-024STB M8 6-RIB INTER. SHAFT REVERSE THREAD

GST-007STB 3/8 x 16 x 1 REVERSE THREAD

GST-008STB 3/8 x 16 x 3/4 HEX BOLT

GST-009STB 3/8″ EXTRA THICK FLAT WASHER QTY.2

GST-006STB 3/8 x 16 x 3/4 FLAT HEAD CAP SCREW

GST-005STB 3/8″ COUNTER SUNK WASHER

GST-022STBR M8 6-RIB OUTSIDE INTER. RAW

GST-2.8STBR M8 B1 / C1R 10LB. PULLEY RAW

GST-025STB M8 6-RIB INSIDE IDLER WHEEL

GST-026STB M8 6-RIB OUTSIDE TENSIONER WHEEL

GST-027STB M8 6-RIB INSIDE TENSIONER WHEEL

DS190540 BOLTS-SOCKET-HEAD-KNURLED ¼-20 X 1-¾ QTY.15

GST-036B M8 TOURING 6-RIB SHIFTER SHAFT

GST-029STBR 6 RIB BELT COVER RAW

6005-2NSE9C3 M8 INTER. INSIDE BEARING

6203-2NSE9C3 M8 INTER. OUTSIDE BEARING

6205-C3 M8 COMP. BOLT BEARING

GST-K060295-STB 6-RIB MICRO V-BELT

GST-K060305-STB 6-RIB MICRO V-BELT

GEN 2: 2023.5 to Present

GST-4.30 INTER. INSIDE PULLEY

GST-018STBR M8 6-RIB CRANK PULLEY WINDOWED / RAW

GST-010B M8 FLOOR BOARD SPACER LH

GST-017STB M8 6-RIB COMP. BOLT

GST-CB0100 M8 COMP. BOLT SHIM .0100″ THICK FEELING

GST-024STB M8 6-RIB INTER. SHAFT REVERSE THREAD

GST-007STB 3/8 x 16 x 1 REVERSE THREAD

GST-008STB 3/8 x 16 x 3/4 HEX BOLT

GST-009STB 3/8″ EXTRA THICK FLAT WASHER QTY.2

GST-006STB 3/8 x 16 x 3/4 FLAT HEAD CAP SCREW

GST-005STB 3/8″ COUNTER SUNK WASHER

GST-2.15 INTER. OUTSIDE PULLEY

GST-2.8STBR M8 B1 / C1R 10LB. PULLEY RAW

GST-025STB M8 6-RIB INSIDE IDLER WHEEL

GST-026STB M8 6-RIB OUTSIDE TENSIONER WHEEL

GST-027STB M8 6-RIB INSIDE TENSIONER WHEEL

DS190540 BOLTS-SOCKET-HEAD-KNURLED ¼-20 X 1-¾ QTY.15

GST-036B M8 TOURING 6-RIB SHIFTER SHAFT

GST-029STBR 6 RIB BELT COVER RAW

6005-2NSE9C3 M8 INTER. INSIDE BEARING

6203-2NSE9C3 M8 INTER. OUTSIDE BEARING

6205-C3 M8 COMP. BOLT BEARING

GST-K060295-STB 6-RIB MICRO V-BELT

GST-K060305-STB 6-RIB MICRO V-BELT

 

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