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Chevy V8 Pro-Billet Distributor
This is our most popular performance distributor! Must be used with an MSD 6, 7 or 8-series ignition.
Overview
The housing is machined from a billet of 6061-T6 aluminum on a state-of-the-art CNC machine producing exact tolerances. For high rpm stability, a .500” steel shaft is supported by a sealed ball bearing and a long sintered bushing. This shaft also receives a QPQ coating for friction reduction and resistance to corrosion. A precision machined reluctor is attached to the shaft which triggers the magnetic pick-up mounted in the housing. This high output magnetic pick-up is the most accurate way to trigger your ignition. Plus, with no moving parts to wear or adjust, the pick-up is maintenancefree! Just above the pick-up is MSD’s adjustable mechanical advance assembly.
Different springs and stop bushings are supplied so you can tune an advance curve to match your application.
Must be used with an MSD 6, 7 or 8-series ignition.
Features:
- CNC machined billet aluminum housing and billet aluminum base
- Will not accept a vacuum advance canister
- Must be used with an MSD Ignition Control
- Supplied with an HEI style distributor cap and rotor (accepts Cap-A-Dapts)
- O-ring seals can be added to modified blocks to improve oil pressure control
- Special oil tract improves lubrication to the distributor and cam gear
- Nylon pads ensure smooth operation of the advance weights
- Advance weight pins are staked and tig welded to the plate
- Mechanical advance assembly can be locked out for crank trigger systems
- Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction
- Polished steel shaft is QPQ coated and guided by a sealed ball bearing and extra long sintered bushing
- Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range
- Easy-to-adjust mechanical advance with supplied springs and stop bushings
- No CARB Exemption Order Number
Specifications
| Brand | MSD |
|---|---|
| Distributor Type | Magnetic Pickup |
| Emission Code | 1 |
| Product Type | Distributor |
| Part Number | 85551 |
| Categories | Ignition & Electrical |
|---|---|
| Weight | 5.0000 |
| Manufacturer Part Number | 85551 |
| Brand | MSD |
| Part Type | Distributors |
| Cylinders | V8 |
| Interchange Part Number | 85551 |
| Vehicle Make | Chevrolet |
| Engine Type | Big Block |
| Distributor Type | Magnetic Pickup |
| Dimensions | Width: 17.78cm x Length: 17.78cm x Height: 45.72cm |
| GTIN | 085132855513 |
| Engine | Chevy Big Block (396-454) |
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