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![8.5mm Black Ultra Pow'r Wires Small Block Chevy [Under Headers]](https://www.jegs.com/images/mini_750/500/555/555-402021.jpg)
Vehicle Info NeededJEGSPART NUMBER: 555-402021
8.5mm Black Ultra Pow'r Wires Small Block Chevy [Under Headers]
$3899$42.99You Save$4.00
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8.5mm Black Ultra Pow'r WiresSmall Block Chevy [Under Headers] 90 Degree HEI Distributor Terminals 90 Degree Plug Terminals Includes:
- (9) Wires
- Wire Markers
- Wire Separators
- Dielectric Grease
JEGS Spark Plug Wire Dimension Chart
JEGS 555-402021 Black 8.5mm Ultra Pow'r Wires Features:
- Fits Small Block Chevy applications including 283, 307, 327, 350, 383 (stroker) and 400 as well as others based on the popular platform
- Greatly exceeds OE specs for RFI and conductivity at 500 ohms per foot resistance
- Designed to fit under the headers and attaches to the spark plugs with 90 degree boots
- Black wires with black boots for great looks under the hood of your vehicle
- 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
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 Height3.7
Package Width9.4
Package Length9.5
Weight2.05 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 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
