Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Vehicle Info NeededJEGSPART NUMBER: 555-402028
8.5mm Black Ultra Pow'r Wires for Big Block Chevy Under Headers
$8199$88.49You Save$6.50
1 left in stock
Ships Tomorrow
Lowest Price GuaranteeGM
8.5mm Black Ultra Pow'r WiresBig Block Chevy Under Headers 90 degree Socket Distributor Terminals 90 degree Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
Features:
- Greatly exceeds OE specs for RFI and conductivity at 500 ohms per foot resistance
- Spark plug boots and outer jackets are made of high-tear heat-resistant silicone
- The two outer jacket layers are separated by nylon pull tape for added pull strength & terminal retention
- Silicone Jacketed to resist high temperature, fuels & oils
- Stainless steel terminals connected using fold-over crimping that won't vibrate loose like core crimping
- Wires include wire separators, numbered wire markers, and dielectric grease
- Sets include coil wire (except where noted)
- Made in the USA
Ultra Pow'r High-Performance Spark Plug Wires
JEGS 8.5 mm Ultra Pow'r Spark Plug Wires are developed by racing experts to provide excellent performance at a budget-friendly price. Using Kevlar spiral-wound core conductors wrapped with a stainless alloy-coated fiberglass strand, these spark plug wires increase strength and deliver high and even energy spark levels. Each wire set includes heat-resistant spark plug boots and silicone outer jackets to ensure a long life for your street or severe-duty vehicle.
Part TypeSpark Plug Wire
Product LineJEGS 8.5 mm Ultra Pow'r Wires
BrandJEGS
Package Height3.8
Package Width9.4
Package Length9.5
Weight2.19 PG
Part CategoryPerformance Parts
Diameter (Mm)8.5
Distributor Boot MaterialSilicone
PositionN/A
Wire ColorBlack
AssembledYes
Spark Plug Boot EndsEight 90 degree
Spark Plug Boot ColorBlack
Distributor Terminal EndsFemale/Socket
Spark Plug Boot MaterialSilicone
Distributor Boot ColorBlack
Coil Wire IncludedYes
Rfi SuppressionYes
Conductor StyleSpiral core
Part FitmentSemi Universal
Boot Type90 Degree
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Heavy-Duty Nitrile Gloves [7 mils Thick, Large]](https://www.jegs.com/images/mini_200/500/555/555-1124.jpg)
![Spark Plug Wire Boot Guards, Black [Set of 8]](https://www.jegs.com/images/mini_200/500/555/555-40300.jpg)
![Spark Plug Wire Boot Guards, Red [Set of 8]](https://www.jegs.com/images/mini_200/500/555/555-40302.jpg)
![Spark Plug Wire Boot Guards, Blue [Set of 8]](https://www.jegs.com/images/mini_200/500/555/555-40304.jpg)
![Spark Plug Wire Boot Guards, Silver [Set of 8]](https://www.jegs.com/images/mini_200/500/555/555-40310.jpg)
![Fender Cover with Pocket [23 in. W x 31 1/2 in. L]](https://www.jegs.com/images/mini_200/500/555/555-65010.jpg)
JEGS
Fender Cover with Pocket [23 in. W x 31 1/2 in. L]
Part Number : 555-65010
$1499$16.99
You Save$2.00
![Round Magnetic Parts Tray [5 1/2 in. Round]](https://www.jegs.com/images/mini_200/500/555/555-80080.jpg)
ITEM YOU MAY ALSO CONSIDER
JEGS
8.5mm Blue Ultra Pow'r Wires for Big Block Chevy Under Headers
Part Number : 555-412028
$9299$102.99
You Save$10.00
JEGS
Part Number : 555-412028
$9299$102.99
You Save$10.00
Some parts are not legal for use in California or other states with similar laws / regulations
