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$296.95
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 February 15th.
Part # 54785557
$296.95
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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

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)

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

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