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#54785561
MSD 85561 Chevy Billet Distributor with Slip Collar
2 Reviews
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1 Question
- Has a CNC machined billet aluminum housing and Dupont Rynite base
- Special nylon pads ensure smooth operation of the advance weights
- Features an easy-to-adjust mechanical advance is mounted on top of the shaft
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$413.95
each
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Product Summary
Chevy Small Block V8, Chevy Big Block V8, Slip Collar
- Has a CNC machined billet aluminum housing and Dupont Rynite base
- Special nylon pads ensure smooth operation of the advance weights
- Features an easy-to-adjust mechanical advance is mounted on top of the shaft
- The advance plate and weights are fine blanked from Chromoly steel and QPQ coated for friction reduction
- A maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range
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Key Specs
MFG. Part # | 85561 |
Brand | MSD |
Cap Type | HEI / Male |
Advance Type | Mechanical |
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MSD 85561 Details
If you have a slightly taller block or have decked the heads, the distance between the distributor mounting pad and the cam gear/oil pump drive may be different. MSD offers these Distributor with an adjustable slip collar with 1.5” of adjustment so you can be sure the distributor is installed correctly. The distributor shares the same features of the standard Pro-Billet Chevrolet model including a ball bearing guide, long sintered lower bushing, oil seal, and an adjustable mechanical advance assembly. The maintenance-free magnetic pick-up in the billet base of the distributor triggers the MSD CD Ignition box (not included). Fits Small Block or Big Block Chevy V8.
- CNC machined billet aluminum housing and billet aluminum base
- Easy-to-adjust mechanical advance with supplied springs and stop bushings
- Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the RPM range
- Polished steel shaft is QPQ coated and guided by a sealed ball bearing and extra long sintered bushing
- Advance plate and weights are fine blanked from Chromoly steel and QPQ coated for friction reduction
- Mechanical advance assembly can be locked out for crank trigger systems
- Advance weight pins are staked and tig welded to the plate
- Nylon pads ensure smooth operation of the advance weights
- Special oil tract improves lubrication to the distributor and cam gear
- O-ring seals can be added to modified blocks to improve oil pressure control
- Supplied with an HEI style distributor cap and rotor (accepts MSD Cap-A-Dapts)
Charts
547-5561 Instructions (PDF)
Specs
- Cap has HEI-style terminals
- Slip collar has 1.5" of adjustment
- Iron distributor gear
Warranties
Guides & Documents
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
CARB Warning
For race/ off road use or for use on pre-1966 vehicles.
MSD 85561 Specifications
MSD 85561 Specifications
KEY SPECS | |
---|---|
MFG. Part # | 85561 |
Brand | MSD |
Cap Type | HEI / Male |
Advance Type | Mechanical |
GENERAL | |
Speedway Motors Catalog Part # | 547-85561 |
External Ignition Box Required | Yes |
Cap Terminal Style | HEI / Male |
Trigger Style | Magnetic |
Hall Effect | No |
Sync Signal | No |
Trigger Sensors | Single |
Gear Material | Iron |
Gear Rotation | Standard |
Ignition Box Required | Yes |
Mechanical Tach Drive | No |
Slip Collar | Yes |
Housing Material | Billet Aluminum |
Housing Finish | Natural |
Rotor Rotation | Clockwise |
Marine Use | No |
Sold in Quantity | Each |
GTIN Code | 085132855612 |