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Vehicle Info NeededHOLLEYPART NUMBER: 510-556-182
556-182 EFI Crank Trigger Wheel for Chevy Small Block, GM Gen III/IV LS Engines (7.250 in.)
$31195
Ships on Sep 03, 2026
Lowest Price GuaranteeGM
- Hall-Effect 7.250 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 556-182 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
Powerful Magnets for an Accurate Trigger
These Holley EFI Crank Trigger Wheels are compatible replacements for Holley EFI Crank Trigger Kits or an accurate wheel for a custom ignition system.
Part TypeIgnition Crank Trigger Wheel
Product LineHolley EFI Crank Trigger Wheels
BrandHOLLEY
Package Height0.6
Package Width8.95
Package Length12.1
Weight1.02 PG
Hardware IncludedNo
QuantitySold individually
Crankshaft Wheel MaterialAluminum
Vendor Part Number556-182
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
