MSD's Holden Ready-to-Run distributor includes a built-in ignition module, so no separate MSD ignition control is required — just connect three wires, the coil, and fire it up. Adjustable mechanical advance lets you tailor the ignition curve, a vacuum advance canister helps economy, and a separate tach circuit is ideal for triggering aftermarket EFI such as an Atomic EFI system.
Specifications:
- Color: Red
- Distributor Type: Ready-to-Run, Built-In Ignition Module
- Gear Material: Cast Iron, Melonized QPQ Coated
- Housing: CNC-Machined Billet Aluminum
- Output: 7.5 Amp Single Spark
- Cap/Rotor: HEI Style (Accepts Cap-A-Dapts)
- Category: Ignition, Distributor and Magneto
- Warranty: Manufacturer's Limited 1 Year Warranty
- Part Number: 85891
Includes a built-in rev limiter and a separate tach circuit suited to triggering aftermarket EFI systems such as Atomic EFI.
FAQ
Does the MSD 85891 require a separate ignition control?
No. It has a built-in ignition module, so no MSD ignition control is required.
How many wires does installation require?
Just three wires plus the coil connection for a simple, clean installation.
Can this trigger an aftermarket EFI system?
Yes, it includes a separate tach circuit ideal for triggering aftermarket EFI such as an Atomic EFI system.
Does it include a rev limiter?
Yes, a built-in rev limiter is included.
