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#5478517
MSD 8517 Buick V8 400-455 Billet Distributor
$552.95
/each
Factory Shipped
$614.95
Save $62.00
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Product Summary
External Ignition Box Required, HEI / Male Cap Type
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Return PolicyMSD 8517 Details
MSD 8517 Details
- 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
- Advance plate and weights are fine blanked from chrome moly 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
- Supplied with an HEI style distributor cap and rotor (accepts Cap-A-Dapts)
- Must be used with an MSD Ignition Control
- No CARB Exemption Order Number
Charts
Rebates
Holley Fuel Up Spring Savings Event 2026

Save 10% instantly on select products across the Holley family of performance brands during the annual Holley Fuel Up Spring Savings Event 2026. Instant rebate period runs from March 30, 2026 through April 19, 2026.
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 8517 Specifications
MSD 8517 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 8517 |
| Brand | MSD |
| Cap Type | HEI / Male |
| Advance Type | Mechanical |
| GENERAL | |
| 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 | No |
| Housing Material | Billet Aluminum |
| Housing Finish | Natural |
| Marine Use | No |
| Sold in Quantity | Each |
| GTIN Code | 085132085170 |
Ratings & Reviews
Ratings & Reviews
Fitment
Fitment
1971-1973 Buick Centurion
Buick 455
1973-1974 Buick Century
Buick 455
1967-1969 Buick Electra
Buick 430
1970-1976 Buick Electra
Buick 455
1970-1976 Buick Estate Wagon
Buick 455
1967 Buick Gran Sport
Buick 400
1968-1969 Buick GS 400
Buick 400
1970-1972 Buick GS 455
Buick 455
1967-1969 Buick LeSabre
Buick 430
1970-1974 Buick LeSabre
Buick 455
1975 Buick LeSabre
Buick 400
Buick 455
1976 Buick LeSabre
Buick 455
1973-1974 Buick Regal
Buick 455
1967-1969 Buick Riviera
Buick 430
1970-1976 Buick Riviera
Buick 455
1967-1969 Buick Skylark
Buick 400
1970-1972 Buick Skylark
Buick 455
1968-1969 Buick Special
Buick 400
Buick 455
1968-1969 Buick Sportwagon
Buick 400
1970-1972 Buick Sportwagon
Buick 455
1967-1969 Buick Wildcat
Buick 430
1970 Buick Wildcat
Buick 455
