Holley 7.00IN,12-1X CRANK TRIGGER WHEEL, SBC

HOLLEY Holley
SKU #HLY-556-181
Holley 7.00IN, 12-1X CRANK TRIGGER WHEEL, SBCThe Holley 7.00IN, 12-1X CRANK TRIGGER WHEEL, SBC is a high-precision replacement trigger wheel designed for Small Block Chevy engines. Engineered to provide an exceptionally accurate crank speed and position signal, this wheel is essential for high-performance and racing applications where precise ignition timing is critical for maximum power and engine safety.
SKU HLY-556-181
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Holley 7.00IN, 12-1X CRANK TRIGGER WHEEL, SBC

The Holley 7.00IN, 12-1X CRANK TRIGGER WHEEL, SBC is a high-precision replacement trigger wheel designed for Small Block Chevy engines. Engineered to provide an exceptionally accurate crank speed and position signal, this wheel is essential for high-performance and racing applications where precise ignition timing is critical for maximum power and engine safety.

Key Features

  • Provides the most accurate way possible to trigger your electronic fuel injection (EFI)
  • Constructed from 3/8-inch thick billet 6061-T6 aluminum for maximum durability
  • Features powerful rare earth magnets embedded in the wheel for a reliable signal
  • Supports 12-1 or 12x signal configurations for versatile tuning options
  • Rigid design ensures no flex to prevent timing fluctuations at high RPM

Fitment

  • Small Block Chevrolet (SBC) Engines
  • Designed for use with standard ATI or Fluidamper style balancers

Note: This is the trigger wheel only; a compatible 3-wire Hall-effect sensor and mounting bracket are required for a complete installation. Please verify balancer diameter and compatibility before ordering.

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