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Vehicle Info NeededJEGSPART NUMBER: 555-40223
8.5mm Yellow Ultra Pow'r Wires 1985-95 Small Block Chevy Truck 5.0L/5.7L
$4221$44.99You Save$2.78
Ships on Oct 15, 2026
Lowest Price GuaranteeCurrently Unavailable
This product is currently not available. Please call customer service for assistance at 1-800-345-4545.
GM
8.5mm Yellow Ultra Pow'r Wires1985-95 Small Block Chevy Truck 5.0L/5.7L 90° Male Distributor Terminals 90° 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
Part TypeSpark Plug Wire
BrandJEGS
Package Height3.9
Package Width9.5
Package Length9.7
Weight2.1 PG
Part CategoryPerformance Parts
Diameter (Mm)8.5
Distributor Boot MaterialSilicone
PositionN/A
ColorYellow
Wire ColorYellow
AssembledYes
Spark Plug Boot EndsEight 90 degree
Spark Plug Boot ColorBlack
Distributor Terminal EndsMale/HEI
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
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Some parts are not legal for use in California or other states with similar laws / regulations
