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Complete 1.5" Open Belt Drive Kit for Big Twins with 4 Speed Transmissions

Complete 1.5" Open Belt Drive Kit for Big Twins with 4 Speed Transmissions

Complete BDL 1.5” Open Belt Drive setup for Harley Big Twins ’70-’99 that are running a 4-speed transmission. This kit includes everything that you need to replace your enclosed primary drive with an open belt drive system.

Built for choppers, performance-builds, or any other custom bike where a clean, open primary look is desired.

Please read all language below in "What's in the box" for complete parts list and "Installation & Fitment". Also look at the photos.

Key Details:

  • 8mm 1.5" Belt
  • 5 Finger Clutch Hub
  • Dry Clutch Open Primary
Regular price $1,250.00 USD
Regular price Sale price $1,250.00 USD
Sale Sold out

WHY IT RULES

  • Gives you everything you need for a clean primary setup. 
  • Perfect for new builds or upgrading your current bike
  • Dry clutch eliminates the need for primary oil

WHAT'S iN THE BOX

(1) BDL 8MM 1.5” Clutch Basket

(1) BDL 8MM 1.5” Front Pulley

(1) BDL 8MM 1.5” 132T Belt

(1) Front Pulley washer and nut

(1) 5 Finger Clutch Hub

(1) Clutch Hub Retainer

(1) BDL Clutch Disc Pack

(5) Friction Plates

(4) Steel Plates

(1) Steel Clutch Release Disc

(1) Pack of Heavy Duty Clutch Springs

(1) Clutch Pressure Plate

(5) Clutch Hub Nuts

Installation

This kit includes BDL part #62-39SK-2 for ‘55-’64 Kickstart motorcycles

  • This kit works on all 4-speed open belt drive setups from ‘55-’84, but may not fit inside a closed primary outside of ‘55-’64. Please contact BDL for fitment in an enclosed primary.
  • This kit also works on Evo Choppers running a 4-Speed transmission with our 4-into-5 transmission plate 

IMPORTANT: If you are running an ‘84-’86 rotary top transmissions with a longer mainshaft, you will need a 1” spacer behind your clutch hub nut.

  • See chart to tell your mainshaft length

Install to factory specs and torques listed in your bike’s service manual

Click here for our installation video (coming soon)

SHIPPING

  • Packed securely to protect the part during transit
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