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MSD Ignition 8486

Crank Trigger Distributor Chevy V8 Super Tall Block

MSD Ignition 8486

121-8486

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$276.95
$249.26
ON SALE - $27.69 OFF
MSD Ignition 8486 Crank Trigger Distributor Chevy V8 Super Tall Block $249.26
Crank Trigger Distributor
  • Chevy V8 Super Tall Block
  • With Crab Cap

  • MSD Ignition 8486 Details

    Chevy w/Crab Cap HEI-Style

    Built for racing engines and equipped with a special low-profile crab style distributor cap.

    Features:
  • Designed to fit low in the block to clear firewall and intake combinations
  • Adjustable slip collar for engines with modified deck heights
  • 0.500" taller for extra tall Chevrolet based engine blocks
  • 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
  • Supplied with small, low crab style distributor cap, rotor and bronze gear
  • Must be used with an MSD Crank Trigger and MSD 6, 7 or 8-Series Ignition Control

    Note: Not legal for sale or use on pollution-controlled vehicles.

  • 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:
    8486

    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

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