Customer Appreciation Week 2026
Customer Appreciation Week 2026
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#5457376
Moroso Ultra 40 Small Block Chevy Cust Wires
- Features a HEI/Male cap terminal style
- Made with a spiral core-style conductor
- Spark plug boot ends have a 90 degree bend
Starting from
$109.99
/each
In Stock
$121.48
Save $11.49
Quantity
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Product Summary
Spiral Core Conductor Style, 8.65" Diameter, Assembled
- Features a HEI/Male cap terminal style
- Made with a spiral core-style conductor
- Spark plug boot ends have a 90 degree bend
- Both the boot and ends are made of high grade silicone
- Has a 8.65 millimeter diameter and a resistance of 40 ohms/ft.
Key Specs
| MFG. Part # | Select Terminal Type, Wire Type, Application, Wire Color and Color |
| Conductor Style | Spiral Core |
| Diameter | 8.65" |
| Cap Terminal Style | HEI / Male |
| Cap Type | HEI / Male |
Need To Know
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Details
Moroso offers these new Ultra 40 unsleeved custom-fit ignition wire sets. These are some of the most powerful wires in racing today!
- HEI/Male cap terminal style
- 8.65 mm diameter
- Sold as a set of 8
Guides & Documents
Specifications
Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | Select Terminal Type, Wire Type, Application, Wire Color and Color to see |
| Brand | Moroso |
| Conductor Style | Spiral Core |
| Diameter | 8.65" |
| Cap Terminal Style | HEI / Male |
| Cap Type | HEI / Male |
| GENERAL | |
| Assembled | Yes |
| Spark Plug Wire Color | Black |
| Spark Plug Boot Ends | 90 Degree |
| Spark Plug Boot Material | Silicone |
| Spark Plug Boot Color | Gray |
| RFI Suppression | Yes |
| Distributor Terminal Ends | Male/HEI |
| Distributor Boot Material | Silicone |
| Distributor Boot Color | Gray |
| Coil Wire Included | Yes |
| Wire Routing Type | Under Header |
| Spark Plug Wire Resistance | 40 ohms/ft. |
| GTIN Code | Select Terminal Type, Wire Type, Application, Wire Color and Color to see |
| Sold in Quantity | Set |
Ratings & Reviews
5
5 Reviews
Customers appreciate the product's high quality and practicality. The wires provide low resistance, a feature confirmed by customers that adds to its efficiency. The wires come well-assembled, numbered, and sealed, enhancing usability. The product notably outperforms its competitors in terms of quality, reflected in its positive impact on the performance of vehicles. Customers expressed satisfaction with the product, marking it as a valuable purchase. Furthermore, the product's quality has led customers to consider repeat purchases.
Ratings & Reviews
5
5 Reviews
Customers appreciate the product's high quality and practicality. The wires provide low resistance, a feature confirmed by customers that adds to its efficiency. The wires come well-assembled, numbered, and sealed, enhancing usability. The product notably outperforms its competitors in terms of quality, reflected in its positive impact on the performance of vehicles. Customers expressed satisfaction with the product, marking it as a valuable purchase. Furthermore, the product's quality has led customers to consider repeat purchases.
5
5 reviews
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5
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Filter by Ratings
Great Plug wires!
5.0
a month ago
PwrTrip
Lincoln NE
Verified
Great wires for the 602 crate. Run them on both of our cars.
Would Recommend
Yes
5.0
4 months ago
Turbo
Bancroft Nebraska
Verified
Perfect fit great product
Would Recommend
i buy these
5.0
a year ago
evilrado
lincoln ne
Verified
good quality
Would Recommend
I will but again.
5.0
8 years ago
None
Kansas
Verified
These wires are truly a very low resistance wire. The assembled set that I purchased fits well and are numbered and sealed. Seem to be a great wire set for the money.
Would Recommend
very high quality
5.0
8 years ago
Rusty
Lake City Fl.
Verified
spark plug wires make my Henry J gasser even sweeter than it already is .... very happy with all of my speedway products
Would Recommend
Showing 5 of 5 reviews
Questions & Answers
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