MSD ASY11108 Replacement Distributor Base for Crank Trigger Low Profile Distributors Chevy V8

The MSD ASY11108 is a genuine OEM replacement distributor base designed specifically for MSD's low-profile crank trigger distributors, including the MSD 8489. Built to restore your racing distributor to factory condition, this base is engineered for high-performance Chevrolet V8 engines where underhood clearance is at a premium.

Key Features:

• Direct replacement base for MSD crank trigger low-profile distributors, including MSD PN 8489
• Constructed from high-dielectric DuPont® Rynite material for superior insulation and durability
• Low-profile design engineered to clear firewall and tight intake combinations such as tunnel rams and blowers
• Compatible with standard Chevrolet V8 engine blocks
• Supports optional O-ring seals for improved oil pressure control on modified engine blocks
• Incorporates MSD's special oil bleed tract design to improve lubrication to distributor and camshaft gears, reducing wear
• Sold individually

This replacement base is the correct factory part for rebuilding or repairing MSD low-profile crank trigger distributors used in serious race applications. Note: The MSD 8489 distributor and its components are intended for racing use only and are not legal for use on emissions-controlled street vehicles.