MSD 8539 Adjustable Slip Collar for Pro-Billet Distributors

The MSD 8539 Adjustable Slip Collar is a replacement distributor collar designed to fit all MSD slip collar distributors, including Pro-Billet models. This collar allows precise height adjustment between the engine deck and the bottom gear of the distributor, ensuring proper distributor positioning regardless of engine block modifications.

Key Features:

• Replacement adjustable collar compatible with all MSD slip collar distributors
• Allows accurate height adjustment from the deck to the distributor's bottom gear
• Features two Allen head set screws for secure and repeatable adjustment
• Ideal for tall deck engine blocks or engines that have been decked
• Steel construction with a natural finish for durability
• Sold individually

The MSD 8539 is legal for use on emissions-controlled vehicles, non-emissions-controlled vehicles, and racing applications, as it does not affect vehicle emissions and is not subject to emissions regulations.