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Holley EFI 556-121 - Cam Sync Kit, +600/1.0 inch Raised Cam

Big Block Chevy w/ +600/1.0 Inch Raised Cam Height; For external, dry timing-belt, cam drive systems

Specifically designed for use w/ JESEL and similar external, dry timing-belt, cam drive systems. Includes 3 wire hall-effect sensor (8-20 volts), anodized billet aluminum bracket, mounting hardware, mating connector, and stainless steel 1/4"-20 "flying magnet" screw w/ high-temp, rare-earth magnet.
Availability: Call to check stock.
Shipping: Free Shipping* On Orders Over $99!
Pricing: $257.95
Free U.S. Continental Shipping

California Proposition 65

California Prop 65WARNING: Cancer & Reproductive Harm -


  • 556-121
  • 556-121
  • 090127725054
  • Holley EFI
  • Call to check stock.
  • New

Shipping Information

  • Item Requires Shipping
  • 1.0 lbs.
  • W3.2500” x H3.2500” x L6.0000”
  • Free U.S. Continental Shipping
  • Free Shipping* On Orders Over $99!


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