Holley KIT, BBC CAM SYNC, +400 RAISED CAM

HOLLEY Holley
SKU #HLY-556-120
Holley KIT, BBC CAM SYNC, +400 RAISED CAMThe Holley KIT, BBC CAM SYNC, +400 RAISED CAM is a precision-engineered solution designed to provide a reliable plug-and-play cam position signal for Holley EFI systems. Essential for running sequential fuel injection, this kit is specifically tailored for Big Block Chevy engines featuring a .400-inch raised cam height and external dry timing-belt drive systems.
SKU HLY-556-120
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Holley KIT, BBC CAM SYNC, +400 RAISED CAM

The Holley KIT, BBC CAM SYNC, +400 RAISED CAM is a precision-engineered solution designed to provide a reliable plug-and-play cam position signal for Holley EFI systems. Essential for running sequential fuel injection, this kit is specifically tailored for Big Block Chevy engines featuring a .400-inch raised cam height and external dry timing-belt drive systems.

Key Features

  • Provides a digital, square-wave input cam signal for high-accuracy timing
  • Includes a versatile bracket assembly with five mounting positions to clear various accessories
  • Features a high-quality Hall Effect sensor and flying magnet target for consistent performance
  • Designed for seamless integration with Holley EFI and other compatible digital systems

Fitment

  • Big Block Chevy (BBC) engines with +.400" raised cam height
  • Requires Jesel or similar external, dry timing-belt cam drive systems

Note: Proper installation requires a 1/4-20 flying magnet screw placement on the upper cam pulley; professional installation is recommended to ensure correct sensor gap and signal timing.

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