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556-185 EFI Crank Trigger Wheel for Chevy Small Block, GM Gen III/IV LS Engines (6.250 in.)
InfoVehicle Info Needed
HOLLEYPART NUMBER: 510-556-185

556-185 EFI Crank Trigger Wheel for Chevy Small Block, GM Gen III/IV LS Engines (6.250 in.)

$31195
ShippingShips on 09/14/2026
Lowest PriceLowest Price Guarantee

GM
    Hall-Effect 6.250 in. Crank Trigger Wheel
  • Chevy Small Block, GM Gen III/IV LS Engines
  • Most Accurate way to Trigger EFI
  • Can be Installed as 12-1X or 12X
  • 3/8 in. Thick Billet 6061-T6 Aluminum
  • Silver
  • Sold Individually

    This Holley EFI 556-185 Hall-Effect Crank Trigger Wheel has powerful magnets embedded in thick billet aluminum for accurate triggering and to eliminate timing fluctuation.

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeIgnition Crank Trigger Wheel
BrandHOLLEY
Package Height0.65
Package Width9.0
Package Length12.05
Weight0.85 PG
Hardware IncludedNo
QuantitySold individually
Crankshaft Wheel MaterialAluminum
Vendor Part Number556-185
Package Qty1
Package TypeEA
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