Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Moroso Chevrolet Big Block Ignition Wire Set - Ultra 40 - Unsleeved - HEI - Under Header - Black

SKU: MOR73712

Spark Plug Wire Sets

MOR Ignition - Wire Set...

Moroso Chevrolet Big Block Ignition Wire Set - Ultra 40 - Unsleeved - HEI - Under Header - Black

SKU: MOR73712

Spark Plug Wire Sets

MOR Ignition - Wire Set...

A$255.21
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
View cart 0
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

The new standard in ignition wires for racers on a budget! Moroso Ultra 40 unsleeved custom-fit ignition wire sets are the most powerful and RFI/EMI-resistant wires available for racing today. Plus, their closely woven fiberglass, silicone-impregnated insulation provides up to 8,000 extra volts of protection.

Features:

* Kevlar® core that's four times stronger than Aramid cores
* Class-leading 40 ohms of resistance per foot
* Nickel copper alloy conductors for superior spark energy transfer
* Extra-thick EPDM layer for greater dielectric strength
* High-temperature silicone boots that can withstand heat up to 600 degrees
* Locking stainless steel plug terminals

Product Overview

Moroso Chevrolet Big Block Ignition Wire Set - Ultra 40 - Unsleeved - HEI - Under Header - Black

Product Details

Description:Moroso Chevrolet Big Block Ignition Wire Set - Ultra 40 - Unsleeved - HEI - Under Header - Black
Part Number:mor73712

Part Type

Ultra 40 Plug Wire Set - BBC HEI

Data: v4.2 - Upd: 2026-10-23 20:35:26

Specifications

Product Attributes - Brand
Moroso
Product Attributes - Manufacturer's Part Number
73712
Product Attributes - Part Type
Spark Plug Wire Sets
Product Attributes - Product Line
Moroso Ultra 40 Unsleeved Custom-Fit Wire Sets
Product Attributes - UPC
084663737121
Product Attributes - Assembled
Yes
Product Attributes - Distributor Terminal Type
Male/HEI
Product Attributes - Distributor Boot Color
Gray
Product Attributes - Distributor Boot Material
Silicone
Product Attributes - Spark Plug Boot Ends
Eight 90 degree
Product Attributes - Spark Plug Boot Color
Gray
Product Attributes - Spark Plug Boot Material
Silicone
Product Attributes - Diameter (mm)
8.65mm
Product Attributes - Wire Color
Black
Product Attributes - RFI Suppression
Yes
Product Attributes - Coil Wire Included
Yes
Product Attributes - Conductor Style
Spiral core
Product Attributes - Spark Plug Wire Resistance
40 ohms/ft.
Product Attributes - Quantity
Sold as a set.

Reference Information

Brand Name/s Moroso
StreetFX SKU mor73712
SFX Item ID 4105029
Supplier Item Code 4105029
Manufacturer SKU 73712
Manufacturer UPC 84663737121

Compatibility

Application Data
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelBEL AIR
    SubmodelBASE
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelCAPRICE
    SubmodelCLASSIC
    Beginning Year1974
    Ending Year1976
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelCAPRICE
    SubmodelESTATE
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelCORVETTE
    SubmodelBASE
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelIMPALA
    SubmodelBASE
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelIMPALA
    SubmodelBASE
    Beginning Year1975
    Ending Year1976
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelIMPALA
    SubmodelCUSTOM
    Beginning Year1975
    Ending Year1976
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelIMPALA
    SubmodelCUSTOM
    Beginning Year1976
    Ending Year1976
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelIMPALA
    SubmodelCUSTOM LANDAU
    Beginning Year1976
    Ending Year1976
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelIMPALA
    SubmodelS
    Beginning Year1976
    Ending Year1976
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelIMPALA
    SubmodelSPORT
    Beginning Year1975
    Ending Year1976
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelLAGUNA
    SubmodelBASE
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelLAGUNA
    SubmodelTYPE S-3
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelMALIBU
    SubmodelBASE
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelMALIBU
    SubmodelCLASSIC
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelMALIBU
    SubmodelCLASSIC
    Beginning Year1974
    Ending Year1975
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelMALIBU
    SubmodelESTATE
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelMONTE CARLO
    SubmodelBASE
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelMONTE CARLO
    SubmodelLANDAU
    Beginning Year1974
    Ending Year1974
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454
  • UniversalNo
    MakeCHEVROLET
    ModelMONTE CARLO
    SubmodelS
    Beginning Year1975
    Ending Year1975
    Engine TypeV8
    Engine FamilyChevy big block Mark IV
    Engine Size7.4L/454

Loading compatibility information...

Keep shopping

More from Moroso