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$281.95
$253.76
MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap
MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap

MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap

Chevy Small Block V8, Chevy Big Block V8, HEI / Male Cap Type, Mechanical Advance Type, Black

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MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap
MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap
MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap
MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap
MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap
MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap
MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap
MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap
MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap
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MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap
MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap
MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap
MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap
MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap
MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap
MSD 85557 Chevy V8 Pro-Billet Distributor with Black Cap
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We estimate this item will ship on or before January 14th.
Part # 54785557
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$253.76
$281.95
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Important Messages:

  • This item ships directly from the manufacturer. It may take an additional 21 business days for MSD to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.

Details

Cap Type:
HEI / Male
Advance Type:
Mechanical
Trigger Style:
Magnetic
Gear Material:
Iron
Gear Rotation:
Standard
Distributor Cap Color:
Black
Ignition Box Required:
Yes
Mechanical Tach Drive:
No
Slip Collar:
No
Housing Material:
Billet Aluminum
Housing Finish:
Natural
Mounted Height:
6.938"
Marine Use:
No
MFG. Part #:
85557
Sold in Quantity:
Each
GTIN Code:
085132855575

Rebates

HolleyDays INSTANT REBATE. Select Holley, MSD, Mr Gasket, Earl's Performance, Demon Carburetion, Weiand, Lakewood, Superchips, Diablo Sport, RacePak, Hooker, NOS, Flowtech, Frostbite Performance Cooling, Mallory Ignition, STS Turbo, Hays, Accel, Quick Time, Edge, Quick Fuel, Anvil, Bright Earth, Flowmaster, Hurst, B&M, APR, Dinan, XDR discounted up to 10% through December 31, 2019.

Info

MSD's most popular performance distributor is now available with a black cap that includes 316 Stainless Steel Terminals. 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.
  • CNC machined billet aluminum housing and billet aluminum base
  • Will not accept a vacuum advance canister
  • Must be used with an MSD 6, 7 or 8 Series Ignition Control
  • Supplied with an HEI style Black Cap w/316 Stainless Steel terminals 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

Installation Instructions (PDF)

Some parts are not legal for use in California or other states with similar laws/regulations

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