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MSD

MSD 85555 Distributor

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Key item features

Durable Construction: Features a CNC machined billet aluminum housing and base, with a polished steel shaft that is QPQ coated for friction reduction and guided by a sealed ball bearing and extra-long sintered bushing.
Advanced Lubrication: Incorporates a special oil tract designed to improve lubrication to both the distributor and cam gear, enhancing component longevity and performance.
Precise Triggering: Equipped with a maintenance-free magnetic pickup and a precision reluctor, ensuring stable trigger signals across the entire RPM range for consistent ignition.
Adjustable Advance: Offers an easy-to-adjust mechanical advance assembly, complete with supplied springs and stop bushings, allowing for custom tuning of the advance curve.
Ignition Compatibility: Must be used in conjunction with an MSD 6, 7, or 8-series ignition control for proper operation and optimal performance.
Robust Internals: Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for reduced friction, with nylon pads ensuring smooth operation of the advance weights.

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Specs

Vehicle model
85555
Vehicle make
MSD Ignition
Vehicle fitment type
Specific
Automotive parts division
performance part
Brand
MSD
Automotive specialty part type
Distributor

Current price is $409.95

Price when purchased online

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Columbus, 43215

Arrives by Tue, Feb 3

Sold and shipped by Advance Cycle Parts

4.314621409921671 stars out of 5, based on 766 seller reviews(4.3)

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Starting from $409.95

About this item

Product details

Compatible with Small and Big Block Chevy®. This product is not created or sold by Chevy®. This is our most popular performance distributor! Must be used with an MSD 6, 7 or 8-series ignition.;

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 in. 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 reluctors the magnetic pick-up mounted in the housing. This high output magnetic pick-up is the most accurate way to reluctor 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.;

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

info:

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Specifications

Vehicle model

85555

Vehicle make

MSD Ignition

Vehicle fitment type

Specific

Automotive parts division

performance part

Warranty

Warranty information

90 Days

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Warranty url

https://www.nosoemparts.com/pages/returns

Warnings

Warning Text

California Proposition 65

WARNING: Cancer and Reproductive Harm - www.P65Warnings.com

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Comparison Chart:
Vehicle model	85555MSD 85555 Distributor	82131MSD 82131 Ignition Coil Mounting Bracket	V8MSD Cap/Rotor Kit; MSD Style (PN 8433; PN 8467)	8854MSD 8854 Spark Plug Boot Kit	-MSD 8745 Engine RPM Limiter	8170MSD 8170 6-Pin Weathertight Connector - Each	8825MSD 8825 Ignition Kit	7905MSD 7905 Generator Bracket	-MSD Ignition 8839 Ignition System Vibration Mount	8985MSD 8985 Engine Timing Tape
Vehicle make	MSD IgnitionMSD 85555 Distributor	MSD IgnitionMSD 82131 Ignition Coil Mounting Bracket	MSD IgnitionMSD Cap/Rotor Kit; MSD Style (PN 8433; PN 8467)	-MSD 8854 Spark Plug Boot Kit	MSD IgnitionMSD 8745 Engine RPM Limiter	-MSD 8170 6-Pin Weathertight Connector - Each	-MSD 8825 Ignition Kit	ChevroletMSD 7905 Generator Bracket	MSD IgnitionMSD Ignition 8839 Ignition System Vibration Mount	MSD IgnitionMSD 8985 Engine Timing Tape
Vehicle fitment type	SpecificMSD 85555 Distributor	SpecificMSD 82131 Ignition Coil Mounting Bracket	SpecificMSD Cap/Rotor Kit; MSD Style (PN 8433; PN 8467)	SpecificMSD 8854 Spark Plug Boot Kit	SpecificMSD 8745 Engine RPM Limiter	SpecificMSD 8170 6-Pin Weathertight Connector - Each	SpecificMSD 8825 Ignition Kit	SpecificMSD 7905 Generator Bracket	SpecificMSD Ignition 8839 Ignition System Vibration Mount	SpecificMSD 8985 Engine Timing Tape
Automotive parts division	performance partMSD 85555 Distributor	PerformanceMSD 82131 Ignition Coil Mounting Bracket	PerformanceMSD Cap/Rotor Kit; MSD Style (PN 8433; PN 8467)	performance partMSD 8854 Spark Plug Boot Kit	-MSD 8745 Engine RPM Limiter	PerformanceMSD 8170 6-Pin Weathertight Connector - Each	PerformanceMSD 8825 Ignition Kit	PerformanceMSD 7905 Generator Bracket	-MSD Ignition 8839 Ignition System Vibration Mount	PerformanceMSD 8985 Engine Timing Tape