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- JEGS 8.5 mm Ultra Pow'r Wires
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.
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Ford
8.5mm Black Ultra Pow'r WiresSmall Block Ford 302 with HEI Cap 90 degree Male Distributor Terminals Multi-Angle Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$88.49
$81.99
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8.5mm Blue Ultra Pow'r WiresSmall Block Ford 302 with HEI Cap 90 degree Male Distributor Terminals Multi-Angle Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$43.99
$39.99
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8.5mm Yellow Ultra Pow'r WiresFord 351W, 351C, 390/429/460 with HEI Cap 90° Male Distributor Terminals Multi-Angle Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$41.99
$39.12
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8.5mm Black Ultra Pow'r WiresFord 351W, 351C, 390, 429, 460 with HEI Cap 90 degree Male Distributor Terminals Multi-Angle Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$49.99
$44.99
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AMC/Jeep
JEGS 40387
JEGS
8.5mm Black Ultra Pow'r Wires for 1964-1990 AMC/JEEP 232 & 258 6-Cylinder w/HEI Distributor
8.5mm Black Ultra Pow'r Wires1964-1990 AMC/JEEP 232 & 258 6-Cylinder w/HEI Distributor 90-degree HEI Socket Distributor Terminals Multi-Angled Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$36.99
$35.34
SAVE $1.65
Ships on 01/25/27
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JEGS 40388
JEGS
8.5mm Red Ultra Pow'r Wires for 1964-1990 AMC/JEEP 232 & 258 6-Cylinder w/HEI Distributor
8.5mm Red Ultra Pow'r Wires1964-1990 AMC/JEEP 232 & 258 6-Cylinder w/HEI Distributor 90-degree HEI Distributor Terminals Multi-Angled Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$48.99
$46.78
SAVE $2.21
Ships on 01/25/27
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Ford
8.5mm Blue Ultra Pow'r WiresFord 351W, 351C, 390, 429, 460 with HEI Cap 90 degree Male Distributor Terminals Multi-Angle Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$47.99
$42.89
SAVE $5.10
Ships on 07/31/26
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GM
JEGS
8.5 mm Ultra Pow'r 11 in. Truck Spark Plug Wires for GM Gen III/IV LS, Gen V LT Engines [Black]
JEGS 40240
JEGS
8.5 mm Ultra Pow'r 11 in. Truck Spark Plug Wires for GM Gen III/IV LS, Gen V LT Engines [Black]
8.5 mm Ultra Pow'r WiresGM Gen III/IV LS GM Gen V LT Coil-Near-Plug Length: 11 in. Fully-Assembled Set of 8 Black
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$75.99
$68.99
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AMC/Jeep
8.5mm Red Ultra Pow'r Wires1967-1991 AMC/JEEP 290-401 V8 w/HEI Distributor 90-degree HEI Socket Distributor Terminals Multi-Angled Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$46.99
$44.70
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GM
JEGS 40242
JEGS
8.5 mm Ultra Pow'r 11 in. Truck Spark Plug Wires for GM Gen III/IV LS, Gen V LT Engines [Red]
8.5 mm Ultra Pow'r WiresGM Gen III/IV LS GM Gen V LT Coil-Near-Plug Length: 11 in. Fully-Assembled Set of 8 Red
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$65.99
$59.99
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8.5mm Red Ultra Pow'r Wires1986-1995 Chevy 4.3L V6 90-degree HEI Socket Distributor Terminals 90-degree Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$46.99
$41.99
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8.5mm Yellow Ultra Pow'r WiresSmall Block Chevy Over Valve Covers For Coil-in-Cap System 90 Degree HEI Distributor, 90 Degree Plug Terminals Includes:
- (8) Wires
- Wire Markers
- Wire Separators
- Dielectric Grease
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$81.09
$74.99
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8.5mm Black Ultra Pow'r WiresSmall Block Chevy Over Valve Covers For coil-in-cap system 90 Degree HEI Distributor Terminals 90 Degree Plug Terminals Includes:
- (8) Wires
- Wire Markers
- Wire Separators
- Dielectric Grease
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$40.99
$37.99
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8.5mm Red Ultra Pow'r WiresSmall Block Chevy Over Valve Covers 90 degree HEI Distributor Terminals 90 degree Plug Terminals Includes:
- (8) Wires
- Wire Markers
- Wire Separators
- Dielectric Grease
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$42.99
$39.85
SAVE $3.14
Ships on 07/27/26
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8.5mm Blue Ultra Pow'r WiresSmall Block Chevy Over Valve Covers For Coil-in-Cap System 90 degree HEI Distributor Terminals 90 degree Plug Terminals Includes:
- (8) Wires
- Wire Markers
- Wire Separators
- Dielectric Grease
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$38.99
$36.38
SAVE $2.61
Ships on 07/31/26
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8.5mm Yellow Ultra Pow'r WiresSmall Block Chevy Under Headers 90° HEI Distributor Terminas 90° Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$40.99
$39.99
SAVE $1.00
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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
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$42.99
$38.99
SAVE $4.00
Ships on 08/10/26
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8.5mm Red Ultra Pow'r WiresSmall Block Chevy Under Headers 90° HEI Distributor Terminals 90° Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$34.99
$32.53
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8.5mm Blue Ultra Pow'r WiresSmall Block Chevy Under Headers 90 degree HEI Distributor Terminals 90 degree Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$43.99
$36.38
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8.5mm Yellow Ultra Pow'r WiresSmall Block Chevy Under Headers 90° Socket Distributor Terminals 90° Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$45.89
$42.19
SAVE $3.70
Ships in 24hrs
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8.5mm Black Ultra Pow'r WiresSmall Block Chevy Under Headers 90° Socket Distributor 90° Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$43.99
$41.58
SAVE $2.41
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8.5mm Blue Ultra Pow'r WiresSmall Block Chevy Under Headers 90 degree Socket Distributor 90 degree Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$43.99
$41.58
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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
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$44.99
$42.21
SAVE $2.78
Ships on 07/30/26
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8.5mm Black Ultra Pow'r Wires1985-1995 Small Block Chevy Truck 5.0L, 5.7L 90 degree Male Distributor Terminals , 90 degree Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$40.99
$37.99
SAVE $3.00
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8.5mm Blue Ultra Pow'r Wires1985-1995 Small Block Chevy Truck 5.0L, 5.7L 90 degree Male Distributor Terminals 90 degree Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$37.99
$36.38
SAVE $1.61
Ships in 24hrs
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8.5mm Yellow Ultra Pow'r Wires1996-2000 GM Small Block Chevy Truck Vortec 5.7L LT1 Distributor, 90° Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$40.99
$36.03
SAVE $4.96
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8.5mm Black Ultra Pow'r Wires1996-2000 GM Small Block Chevy Truck Vortec 5.7L LT1 Distributor Terminals 90° Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$64.99
$59.99
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8.5mm Red Ultra Pow'r Wires1996-2000 GM Small Block Chevy Truck Vortec 5.7L LT1 Straight Distributor Terminals 90 degree Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
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$45.99
$41.58
SAVE $4.41
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8.5mm Blue Ultra Pow'r Wires1996-2000 GM Small Block Chevy Truck Vortec 5.7L LT1 Straight Distributor Terminals 90 degree Plug Terminals Includes:
- Wire Markers
- Wire Separators
- Dielectric Grease
View Details
$51.99
$40.54
SAVE $11.45
Ships on 07/31/26
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