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EVIL ENERGY 8mm Spark Plug Wire Set Compatible with GM LS Truck SUV 4.8L V8 Engines, 45 Degree DD Plug Boots

$55.99
$55.99
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SKU: EVBWA0001003
Product Type: Spark Plug Wire Set
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EVIL ENERGY 8mm Spark Plug Wire Set Compatible with GM LS Truck SUV 4.8L V8 Engines, 45 Degree DD Plug Boots

EVIL ENERGY 8mm Spark Plug Wire Set Compatible with GM LS Truck SUV 4.8L V8 Engines, 45 Degree DD Plug Boots

$55.99
$55.99
EVIL ENERGY 8mm Spark Plug Wire Set Compatible with GM LS Truck SUV 4.8L V8 Engines, 45 Degree DD Plug Boots
EVIL ENERGY 8mm Spark Plug Wire Set Compatible with GM LS Truck SUV 4.8L V8 Engines, 45 Degree DD Plug Boots
EVIL ENERGY 8mm Spark Plug Wire Set Compatible with GM LS Truck SUV 4.8L V8 Engines, 45 Degree DD Plug Boots
EVIL ENERGY 8mm Spark Plug Wire Set Compatible with GM LS Truck SUV 4.8L V8 Engines, 45 Degree DD Plug Boots
EVIL ENERGY 8mm Spark Plug Wire Set Compatible with GM LS Truck SUV 4.8L V8 Engines, 45 Degree DD Plug Boots
EVIL ENERGY 8mm Spark Plug Wire Set Compatible with GM LS Truck SUV 4.8L V8 Engines, 45 Degree DD Plug Boots
EVIL ENERGY 8mm Spark Plug Wire Set Compatible with GM LS Truck SUV 4.8L V8 Engines, 45 Degree DD Plug Boots

EVIL ENERGY 8mm Spark Plug Wire Set Compatible with GM LS Truck SUV 4.8L V8 Engines, 45 Degree DD Plug Boots

$55.99
SPECIFICATIONS

Product Details

Specification Details
Brand EVIL ENERGY
Product Type Spark plug wire set / ignition wire set
Vehicle Applications Fits 1999–2014 GM platform vehicles — Cadillac Escalade/ESV/EXT; Chevrolet Silverado 1500–3500 (incl. HD/Classic), Suburban, Tahoe, Avalanche, Express, Trailblazer, SSR, W4500 Tiltmaster; GMC Sierra 1500–3500 (incl. HD/Classic), Yukon/Yukon XL, Savana, Envoy; and Hummer H2 — with 4.3L V6 and 4.8L/5.3L/6.0L/6.2L/8.1L V8 engines (gas, FLEX, CNG, bi-fuel, hybrid) plus the 6.6L turbo diesel V8.
Wire Outside Diameter 8 mm
Spark Plug Wire Conductor Material Stainless steel wire
Spark Plug Wire Insulation Material Silicone
Temperature Range -40°C to 220°C
Resistance
293–439 Ohms per foot
Spark Plug Boot Angle 45 degree DD style
EMI / RFI Suppression Yes
Thermal Sleeve Specification 22 mm inner diameter, 155 mm length, basalt material, 800°C continuous heat resistance, up to 2000°C instant heat reference
Package 8 x EVIL ENERGY 8mm spark plug wires; 8 x basalt spark plug wire heat sleeves; preinstalled coil-end and 45-degree DD-style spark-plug-end boots
Color Black performance ignition wire styling

DESCRIPTION

8mm GM LS Truck Spark Plug Wires for Heat-Aged Coil Connections

When GM LS truck owners deal with heat-aged plug wires, loose coil connections, ignition noise, or weak spark delivery, this EVIL ENERGY 8mm spark plug wire set helps restore a cleaner coil-to-plug path. It is suitable for GM LS truck and SUV drivers servicing 4.8L V8 daily vehicles, work trucks, tow rigs, and LS engine maintenance projects.

8mm GM LS Truck SUV Spark Plug Wire Set

LS truck and SUV specific fitment, not a universal cut to length kit: Built to the 5574 reference style for GM Truck and SUV LS engine generations, with worksheet fitment covering 294 and 4.8L V8 applications. Lengths are already routed for truck and SUV engine bays, so you skip the guesswork of trimming universal wire and hoping the loom still reaches.

Round and square LS coil reference before you buy: LS engines came with two coil housing styles, and ordering the wrong one is the number one reason a set goes back in the box. Confirm your coil style against the listing images first, then order once and install once.

Silicone insulation rated minus 40°C to 220°C: Truck and SUV LS engine bays cook wires from underneath. The silicone jacket on these 8mm spark plug wires resists heat cycling, surface cracking, abrasion against brackets, and the hardened, crumbling boot ends that make removal a knuckle busting job at 60,000 miles.

Suppression style core for clean spark and quiet electronics: Spark plug wire performance in this category is judged on two things, spark energy at the plug and electromagnetic noise control. Tired wires show up as rough idle, hesitation under load, radio static, and gauge or sensor noise. A suppression focused core targets exactly that failure pattern.

45 degree DD spark plug boots: The 45 degree DD boot angles the wire away from the cylinder head and exhaust, giving straight seating on the plug, an audible click, and less sidewall stress where LS wires normally fail first.

8mm profile that still routes in a crowded bay: The 8mm outside diameter gives you real insulation thickness without a wire so fat it fights the factory looms and boot clips on a full size truck or SUV.

SHIPPING & RETURN

Brand Summary

Policy Details
Cancellation Policy Orders can be canceled within 48 hours of placement. Refund processed in 3-5 business days.
Returns Policy Returns accepted within 180 days. Full refund within 90 days; 15% fee for 90-180 days.
Non-Returnable Items Only regular-priced items are eligible for refunds; sale items are non-refundable.
Refund Processing If no refund received, check your bank/credit card. For ongoing issues, contact support@ievilenergy.com.

Return Reasons

  1. Quality Issues: Provide photos/videos; we cover return shipping.
  2. Wrong Item Ordered: Buyer covers return shipping; email within 30 days.
  3. Change of Mind: Buyer covers return shipping; email within 30 days.
  4. Shipping Damage: Inspect packages; do not sign for damaged items.
  5. Incorrect Item Shipped: Contact within 7 days.

Price Protection Policy

Effective from August 25, 2024. Price drops within 7 days of purchase can be claimed.

Disclaimer

EVIL ENERGY reserves the right to interpret, modify, or terminate this policy in accordance with applicable laws and regulations.

If you need further information or assistance, feel free to ask!

FAQS

Q: Does the EVIL ENERGY 8mm spark plug wire set fit every GM 4.8L V8 truck and SUV?

A: No. This wire set is intended for selected GM 4.8L gasoline V8 truck and SUV applications. Confirm the vehicle year, make, model, engine, original wire length, coil-end terminal, and 45-degree plug boot geometry before ordering.

Q: Are EVIL ENERGY LS engine spark plug wires designed for GM 4.8L gasoline V8 applications?

A: Yes. These wires are designed for selected GM 4.8L LS-based gasoline V8 applications with a compatible coil-to-plug layout. An LS engine designation alone does not confirm fitment, so the wire length and both terminal ends must also match.

Q: Does the EVIL ENERGY 8mm wire kit include spark plugs and wires?

A: The kit includes spark plug wires but does not include spark plugs. The package contains eight 8mm spark plug wires, eight basalt heat sleeves, and preinstalled coil-end and 45-degree DD-style spark-plug-end boots.

Q: Are EVIL ENERGY 8mm spark plug wires better than thicker spark plug wires?

A: Not automatically. The 8mm measurement describes the wire’s outside diameter, while proper operation also depends on conductor construction, resistance, insulation, wire length, terminal type, and routing. Choose the wire set that matches the original connection geometry.

Q: What is the specified spark plug wire resistance for this 8mm set?

A: The specified resistance is 293–439 Ohms per Foot. Total resistance varies with the length of each wire, so test results should be evaluated by resistance per foot rather than one fixed reading for every cable.

Q: How to install spark plug wires on a GM 4.8L V8?

A: Replace one wire at a time and follow the original routing to preserve the correct cylinder connections. Press both terminals fully into position, place each basalt heat sleeve over the heat-exposed plug-end area, and keep the wires away from exhaust components, sharp edges, and moving parts.

Q: What are the symptoms of bad spark plug wires?

A: Common symptoms include rough idle, hesitation under load, cylinder misfires, visible arcing, damaged insulation, burned boots, loose terminals, or abnormal resistance. Spark plugs, ignition coils, injectors, wiring, and mechanical problems can produce similar symptoms, so diagnose the affected cylinder before replacing parts.

Q: When to replace spark plug wires on a GM 4.8L V8?

A: Replace the wires when the insulation is cracked, the boots are burned or hardened, the terminals no longer lock securely, or resistance testing identifies an abnormal wire. Service life varies with engine-bay heat, routing, mileage, and operating conditions.

Q: What do spark plug wires do on a GM 4.8L V8?

A: Spark plug wires carry ignition voltage from each ignition coil to its corresponding spark plug. This eight-wire set also provides EMI/RFI suppression to support voltage transfer while limiting electrical interference.

Q: Can the EVIL ENERGY spark plug wire set be used on a 4.3L V6 or Duramax diesel engine?

A: No. This is an eight-wire set intended for selected gasoline V8 applications, while a 4.3L V6 uses a six-cylinder ignition configuration. Duramax diesel engines do not use gasoline-engine spark plug wires.

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