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MSD Performance Parts
MSD 85551
MSD 85551 Distributor Chevy V8 Pro-Billet w/Cap Rotor 261x600
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MSD 85551
Chevy V8 Pro-Billet Distributor

• 6061-T6 aluminum housing
• Polished steel shaft
• Special oil tract
• Easy-to-adjust mechanical advance
• Made in USA
Retail Price: $283.95
Our Price: $254.95
UPC 085132855513
Free Shipping and Handling for orders over $99!
(US only. Excluding any oversize charges.)
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1Estimated Shipping Dates are based on available inventory and the nearest warehouse.
Performance Parts is a MSD authorized performance retailer
Product Info Related Items
Chevy V8 Pro-Billet Distributor

• 6061-T6 aluminum housing
• Polished steel shaft
• Special oil tract
• Easy-to-adjust mechanical advance
• Made in USA

MSD 85551 features CNC-machined billet aluminum housing and billet aluminum base. MSD 85551 has easy-to-adjust mechanical advance with supplied springs and stop bushings; and, the maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range. MSD 85551 also has a .500” polished steel shaft supported by a sealed ball bearing and a long sintered bushing that is QPQ coated. 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 and the advance weight pins are staked and TIG welded to the plate. MSD 85551 comes with different springs and stop bushings, so you can tune an advance curve to match your application. MSD 85551 also includes 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.


Requires the use of an MSD 6, 7, 8, or 10 Series ignition control.
Will not accept a vacuum advance canister.
Not legal for sale or use on pollution controlled vehicles.
Shipping Weight/Dimensions:
Weight:5.50 lbs
Height:18.00 in.
Length:7.00 in.
Width:7.00 in.
Shipping from warehouses in the U.S. and Canada!
Performance Parts has over 20 warehouses in the U.S. and Canada so you can get your parts duty free! Call for availability.
Pro Recommends
The Pro Recommends this part be used for the following applications:
EnginePerformance Level
Chevy 396-454 Big Block Oval Port Pro Street
Chevy 396-454 Big Block Oval Port Bracket
1969-1985 Chevy 350 Pro Street
1969-1985 Chevy 350 Bracket
1972-1976 Chevy 400 Small Block Pro Street
1972-1976 Chevy 400 Small Block Bracket
1986-1995 Chevy 350 Pro Street
1986-1995 Chevy 350 Bracket
Note: This part is only assumed to function properly for the given engine and performance level IF the whole package is purchased. Mis-matching parts may DECREASE your engine's performance.
None listed.
- Last Updated: 2016-06-07 09:53:55 -
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