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Holley

Holley Crankshaft Trigger Wheels 556-181 Crank Wheels, EFI, Replacement, 12-1X LS, Hall Effect, 7.5 in. Diameter, Aluminum, Silver, Universal, Each

SKU: HLY556-181

Crank Trigger Replacement Wheels
Holley Crankshaft Trigger Wheels 556-181 Crank Wheels, EFI, Replacement, 12-1X LS, Hall Effect, 7.5 in. Diameter, Aluminum, Silver, Universal, Each

Holley

Holley Crankshaft Trigger Wheels 556-181 Crank Wheels, EFI, Replacement, 12-1X LS, Hall Effect, 7.5 in. Diameter, Aluminum, Silver, Universal, Each

SKU: HLY556-181

Crank Trigger Replacement Wheels
A$653.71
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.
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Description

Get the best possible sensor pickup with Holley crankshaft trigger wheels. These wheels have 60 notches, plus one TDC double notch. They are available in a number of different sizes to support the clearances on different engines from 5 in. to 8 1/2 in. in diameter. The center hole is 1 in. in diameter and may require machining for application.

Part Type

Crank Trigger Replacement Wheels

Data: v4.2 - Upd: 2026-10-13 18:47:41

Specifications

Product Attributes - Brand
Holley
Product Attributes - Manufacturer's Part Number
556-181
Product Attributes - Part Type
Crank Trigger Replacement Wheels
Product Attributes - Product Line
Holley Crankshaft Trigger Wheels
Product Attributes - UPC
090127297063
Product Attributes - Crankshaft Wheel Material
Aluminum
Product Attributes - Crankshaft Wheel Color
Natural
Product Attributes - Hardware Included
No
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Holley
StreetFX SKU hly556-181
SFX Item ID 4782970
Supplier Item Code 4782970
Manufacturer SKU 556-181
Manufacturer UPC 90127297063
Alternative References HOL556-181, 12-1X

Compatibility

Application Data
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1942
    Ending Year2003
    Engine TypeV8
    Engine Size5.7L/350
    Engine FamilyChevy small block Gen I
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1955
    Ending Year1957
    Engine TypeV8
    Engine Size4.3L/265
    Engine FamilyChevy small block Gen I
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1957
    Ending Year1967
    Engine TypeV8
    Engine Size4.6L/283
    Engine FamilyChevy small block Gen I
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1962
    Ending Year1969
    Engine TypeV8
    Engine Size5.4L/327
    Engine FamilyChevy small block Gen I
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1967
    Ending Year1969
    Engine TypeV8
    Engine Size4.9L/302
    Engine FamilyChevy small block Gen I
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1970
    Ending Year1980
    Engine TypeV8
    Engine Size6.6L/400
    Engine FamilyChevy small block Gen I
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1975
    Ending Year1976
    Engine TypeV8
    Engine Size4.3L/262
    Engine FamilyChevy small block Gen I
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1976
    Ending Year2002
    Engine TypeV8
    Engine Size5.0L/305
    Engine FamilyChevy small block Gen I
  • UniversalNo
    MakeCHEVROLET
    Beginning Year1979
    Ending Year1982
    Engine TypeV8
    Engine Size4.4L/267
    Engine FamilyChevy small block Gen I

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