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Unpublished Item

MSD Ignition 8558 - MSD Ignition Crank Trigger Distributor



MSD Ignition 8558 - MSD Ignition Crank Trigger Distributor

Part Number: 121-8558

Crank Trigger Distributor
  • Chevy V8 Low Profile
  • Tall Block
  • $295.95

    Ships
    from Manufacturer
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    MSD Ignition 8558 - MSD Ignition Crank Trigger Distributor Details

    Chevy w/HEI-Style Terminals

    The unique design of this distributor fits tight intake systems while still transferring the high volt­age of the MSD racing ignition to the spark plugs. The high voltage carrying capabilities are the re­sult of several features which have been designed into this distributor. This includes a large diameter cap with wide spaced terminals and an injection moulded Rynite rotor with thick vanes to stur up the air inside the cap. The high dielectric Rynite base also prevents arcing to the billet housing which is fitted with a slip collar. The distributor has an oversized steel shaft that is guided with a sealed ball-bearing assembly and extra long sintered bushing for smooth operation.

  • Designed to fit low in the block to clear firewall and intake combinations
  • Adjustable slip collar mounting flange for engines with modified deck heights
  • Special oil tract improves lubrication to the distributor and cam gear
  • O-ring seals can be added to modified blocks to improve oil pressure control
  • Must be used with an MSD Crank Trigger and MSD 6, 7 or 8 Series Ignition Control
  • Supplied with large diameter HEI style distributor cap and rotor
  • Supplied with bronze gear for roller cam usage
  • Not legal for use on a pollution controlled vehicle

  • Specifications:

    Engine Make/Size
    Chevy Big Block (396-454)
    Engine Make/Size
    Chevy Small Block (262-400)
    Distributor Type
    Crank Type w/Mech. Tach Drive
    Housing Material
    billet aluminum
    Advance Type
    None
    Cap Style
    Male/HEI
    Computer-Controlled Compatible
    No
    Distributor Gear Rotation
    Standard
    Gear Material
    Bronze
    Housing Finish
    Natural
    Ignition Box Required
    Yes
    Marine Use
    No
    Mechanical Tach Drive
    No
    Quantity
    Sold individually
    Slip Collar
    Yes
    Trigger Style
    Crank trigger
    Manufacturer's Part Number:
    8558

    MSD Ignition Crank Trigger distributors are designed for racing engines that use a crankshaft triggered ignition. Their low profile lets them fit in tight quarters and still accurately deliver the sparks. Built around a CNC-machined billet aluminum housing. This machining process produces a strong, non-porous housing with tolerances within .001''. Inside the housing, a sealed ball bearing and long sintered bushing, guide a QPQ coated .500'' shaft for accurate spark delivery throughout high rpm. The QPQ coating reduces friction loss and wards off corrosion. The base of the low profile distributors are injection molded from a glass reinforced material called Rynite. This produces an extremely strong base that dampens vibrations and is highly resistant to sparks. A large low profile distributor cap with brass terminals clamps onto the housing covering the racing rotor featuring deep vanes to stir up the air reducing the chance of spark scatter. Since these distributors are for racing applications, bronze gears are supplied.

    Features:
  • Designed to fit low in the block to clear firewall and intake combinations
  • Must be used with an MSD Crank Trigger and MSD 6, 7 or 8-Series Ignition Control

  • Does this fit your vehicle?

    Narrow Results

    1959-1967 CHEVROLET IMPALA

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8

    1973-1974 CHEVROLET IMPALA

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1973 CHEVROLET CAMARO

    • CC: 5737
    • Liter: 5.7
    • Aspiration: N
    • SubModel: RS
    • Engine Vin: H
    • CUI: 350
    • EngineType: V8

    1969-1973 GMC C35/C3500 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1961-1966 CHEVROLET K20 PICKUP

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8

    1968-1969 CHEVROLET CAMARO

    • Liter: 5.4
    • EngineType: V8
    • SubModel: RS

    1968 CHEVROLET CHEVELLE

    • Liter: 5.3
    • EngineType: V8
    • SubModel: 300

    1968 GMC K25/K2500 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1968 CHEVROLET C20 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1972 CHEVROLET CAMARO

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: SS
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1967 GMC G25/G2500 VAN

    • EngineType: V8
    • SubModel: BASE

    1967 CHEVROLET K20 SUBURBAN

    • CC: 5358
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8

    1969 CHEVROLET K20 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1972 CHEVROLET CAMARO

    • Liter: 5.7
    • EngineType: V8
    • SubModel: Z28

    1969-1971 CHEVROLET C30 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1966-1969 CHEVROLET CAPRICE

    • Liter: 5.4
    • EngineType: V8
    • SubModel: BASE

    1972 CHEVROLET CHEVELLE

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1967 CHEVROLET K10 PICKUP

    • Liter: 4.6
    • EngineType: V8
    • SubModel: BASE

    1972 CHEVROLET CAPRICE

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1967-1968 GMC K35/K3500 PICKUP

    • CC: 5358
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8

    1972 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1969-1971 CHEVROLET BEL AIR

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1967 CHEVROLET C30 PICKUP

    • Liter: 4.6
    • EngineType: V8
    • SubModel: BASE

    1969-1971 CHEVROLET CAPRICE

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1971 GMC G35/G3500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1968 GMC K25/K2500 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1968 CHEVROLET K20 SUBURBAN

    • Liter: 5.4
    • EngineType: V8
    • SubModel: BASE

    1959-1967 CHEVROLET BEL AIR

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8

    1968 CHEVROLET K30 PICKUP

    • Liter: 5.4
    • EngineType: V8
    • SubModel: BASE

    1968 CHEVROLET CHEVELLE

    • Liter: 5.4
    • EngineType: V8
    • SubModel: MALIBU

    1970-1971 GMC G15/G1500 VAN

    • EngineType: ALL
    • SubModel: BASE

    1972-1973 CHEVROLET MONTE CARLO

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1973-1974 GMC JIMMY

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1967-1968 GMC K25/K2500 PICKUP

    • CC: 5358
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8

    1972 CHEVROLET CHEVELLE

    • CC: 5736
    • Liter: 5.7
    • SubModel: NOMAD
    • CUI: 350
    • EngineType: V8

    1968 CHEVROLET CHEVELLE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: 300

    1967-1968 CHEVROLET C30 PICKUP

    • Liter: 5.3
    • EngineType: V8
    • SubModel: BASE

    1974 CHEVROLET LAGUNA

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1970-1972 CHEVROLET CAPRICE

    • CC: 6556
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1969-1971 CHEVROLET CORVETTE

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1969-1973 GMC C15/C1500 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1972 CHEVROLET CHEVELLE

    • Liter: 5.7
    • SubModel: CONCOURS
    • CUI: 350
    • EngineType: V8

    1967 CHEVROLET K10 SUBURBAN

    • CC: 5358
    • Liter: 5.3
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8

    1974 CHEVROLET EL CAMINO

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1964-1967 CHEVROLET IMPALA

    • Liter: 5.4
    • EngineType: V8
    • SubModel: SS

    1973 CHEVROLET CAPRICE

    • CC: 5736
    • Liter: 5.7
    • SubModel: CLASSIC
    • CUI: 350
    • EngineType: V8

    1972-1973 GMC SPRINT

    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8

    1971 PONTIAC VENTURA

    • CC: 5733
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1961-1966 CHEVROLET C10 PICKUP

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8

    1972-1973 CHEVROLET CAMARO

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • EngineType: V8

    1971 PONTIAC VENTURA

    • CC: 5733
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1970-1972 CHEVROLET BEL AIR

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8

    1971-1974 GMC G25/G2500 VAN

    • EngineType: V8
    • SubModel: RALLY

    1955-1957 CHEVROLET BEL AIR

    • EngineType: V8
    • SubModel: NOMAD

    1964-1967 CHEVROLET CHEVY II

    • EngineType: V8
    • SubModel: NOVA SS

    1972-1973 CHEVROLET C20 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1967-1971 CHEVROLET CAMARO

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1972-1974 GMC G15/G1500 VAN

    • EngineType: V8
    • SubModel: VANDURA

    1970-1972 CHEVROLET CAPRICE

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8

    1972 CHEVROLET NOVA

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1972 CHEVROLET CHEVELLE

    • CC: 5737
    • Liter: 5.7
    • SubModel: GREENBRIER
    • EngineType: V8

    1972-1973 CHEVROLET EL CAMINO

    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8

    1971-1974 GMC G35/G3500 VAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: RALLY

    1968 GMC K25/K2500 SUBURBAN

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1970-1972 CHEVROLET KINGSWOOD

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1970-1972 CHEVROLET BEL AIR

    • CC: 6556
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1974 CHEVROLET LAGUNA

    • CC: 5736
    • Liter: 5.7
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: L
    • CUI: 350
    • EngineType: V8

    1970-1971 CHEVROLET CHEVELLE

    • Liter: 6.6
    • SubModel: MALIBU
    • CUI: 400
    • EngineType: V8

    1973 CHEVROLET LAGUNA

    • CC: 5736
    • Liter: 5.7
    • SubModel: ESTATE
    • CUI: 350
    • EngineType: V8

    1969-1971 CHEVROLET CHEVELLE

    • Liter: 5.7
    • EngineType: V8
    • SubModel: MALIBU

    1970-1972 CHEVROLET KINGSWOOD

    • Liter: 6.6
    • SubModel: ESTATE
    • CUI: 400
    • EngineType: V8

    1967 GMC G15/G1500 VAN

    • EngineType: V8
    • SubModel: BASE

    1974 CHEVROLET NOVA

    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8

    1968 CHEVROLET CHEVY II

    • Liter: 5.3
    • EngineType: V8
    • SubModel: NOVA

    1973 CHEVROLET MALIBU

    • Liter: 5.0
    • EngineType: V8
    • SubModel: ESTATE

    1969-1971 CHEVROLET BLAZER

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1971 CHEVROLET C10 PICKUP

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: BASE
    • Engine Vin: H
    • CUI: 307
    • EngineType: V8

    1972-1973 GMC SPRINT

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1972 CHEVROLET MONTE CARLO

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • EngineType: V8

    1971 CHEVROLET C10 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1955-1956 CHEVROLET BEL AIR

    • EngineType: V8
    • SubModel: BEAUVILLE

    1969-1973 GMC K25/K2500 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1971 CHEVROLET CHEVELLE

    • Liter: 6.6
    • SubModel: SS
    • CUI: 400
    • EngineType: V8

    1973-1974 CHEVROLET NOVA

    • CC: 5736
    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8

    1968 CHEVROLET CHEVELLE

    • EngineType: ALL
    • SubModel: BASE

    1970 CHEVROLET EL CAMINO

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8

    1974 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1970-1972 CHEVROLET MONTE CARLO

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8

    1973 CHEVROLET EL CAMINO

    • CC: 6555
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8

    1972 CHEVROLET CHEVELLE

    • Liter: 5.7
    • SubModel: NOMAD
    • CUI: 350
    • EngineType: V8

    1959 CHEVROLET BEL AIR

    • CC: 4638
    • Liter: 4.6
    • SubModel: BASE
    • CUI: 283
    • EngineType: V8

    1955-1957 CHEVROLET BEL AIR

    • EngineType: V8
    • SubModel: BASE

    1964-1967 CHEVROLET CHEVELLE

    • Liter: 4.6
    • EngineType: V8
    • SubModel: BASE

    1969-1973 GMC C25/C2500 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1968 GMC C25/C2500 PICKUP

    • Liter: 5.4
    • EngineType: V8
    • SubModel: BASE

    1969 CHEVROLET EL CAMINO

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1974 GMC C15/C1500 SUBURBAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1967 GMC C1500 PICKUP

    • EngineType: V8
    • SubModel: BASE

    1968 CHEVROLET K10 SUBURBAN

    • Liter: 5.3
    • EngineType: V8
    • SubModel: BASE

    1967 CHEVROLET CHEVELLE

    • Liter: 5.4
    • EngineType: V8
    • SubModel: DELUXE
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