MSD Pro-Billet Distributor | 85551 | Chevy V8 | CNC Machined 6061-T6 Aluminum

MSD Pro-Billet Distributor – Part #85551

Upgrade your Chevy V8 ignition system with the MSD Pro-Billet Distributor — precision-engineered for maximum accuracy, high-RPM stability, and long-term reliability. CNC-machined from 6061-T6 billet aluminum to exact tolerances, this distributor is built for serious street and performance applications where ignition timing accuracy directly impacts power and consistency.

Key Features

• CNC-machined 6061-T6 billet aluminum housing — exact tolerances for precise fit and long-term durability
• 0.500 in steel shaft — supported by a sealed ball bearing and long sintered bushing for high-RPM stability
• QPQ-coated shaft — friction reduction and corrosion resistance for extended service life
• Precision-machined reluctor — triggers the high-output magnetic pickup for accurate ignition timing
• High-output magnetic pickup — no moving parts, maintenance-free, and the most accurate way to trigger your ignition
• Adjustable mechanical advance assembly — dial in your advance curve for your specific application

Specifications

• Brand: MSD
• Part Number: 85551
• Type: Pro-Billet Distributor
• Housing Material: 6061-T6 Billet Aluminum (CNC-machined)
• Shaft Diameter: 0.500 in steel, QPQ coated
• Trigger: High-output magnetic pickup
• Advance: Adjustable mechanical advance
• Application: Chevy V8
• Weight: 4.3 lbs
• Sold As: Each