LS Truck Spark Plug Wire Set 10mm for 4.8L-6.2L Trucks - Performance

In this review the LS Truck Spark Plug Wire Set is judged on fit, durability and noise suppression for LS-based truck engines. The set is aimed at owners of Silverado, Sierra, Tahoe, Yukon and Escalade models running factory-style coil locations who need a tidy, heat-resistant wire set that cleans up the engine bay and reduces ignition noise. The single biggest reason to buy is the combination of a 10mm low-resistance core with a high-temp silicone and fiberglass sleeve, which balances performance and protection for everyday driving and moderate performance upgrades.

Key Features

• 10mm construction: Offers low electrical resistance and strong noise suppression for clean ignition performance across LS engines.
• High-temp sleeve: The silicone and fiberglass blend sleeve resists engine bay heat and abrasion to protect the core over time.
• Angled boots: Boots are angled at both ends to improve fitment with aftermarket headers compared to OEM straight boots.
• Set of 8, 10 in length: Includes eight wires sized for truck applications with stock coil locations for a neat installation.
• Multiple color options: Available in Black, Gray, Blue, Red, Orange, Purple, Green, Pink or White to match or contrast the engine bay.

Who It's For

The wires are best for owners of LS-based trucks and SUVs with stock coil locations - examples include Silverado and Sierra owners who want better noise suppression and a more durable sleeve than aged factory wires. Enthusiasts fitting mild headers will also appreciate the angled boots for improved routing.

Those who need longer lead lengths or custom routing for heavily modified engines should look elsewhere, as several buyers reported the 10 in length can be tight on some installations. Also, users needing integrated boots or special retention features for non-stock plugs may prefer a different wire set.

Pros & Cons

Pros

• Good balance of heat resistance and electrical performance for LS truck engines.
• Durable sleeve material reduces abrasion and aging in a hot engine bay.
• Angled boots improve fitment with aftermarket headers versus factory straight boots.
• Color options let owners customize the engine bay appearance.

Cons

• Some customers report the 10 in length is too short for certain truck layouts, limiting fitment in a few cases.
• A small number of users noted plug retention concerns on specific plug or coil combinations.

Specifications

Brand	Michigan Motorsports
Wire diameter	10mm
Set quantity	8 wires
Length	10 in (truck applications)
Sleeve material	High-temp silicone and fiberglass blend
Boot style	Angled boots at both ends
Color options	Black, Gray, Blue, Red, Orange, Purple, Green, Pink, White

Our Verdict

The LS Truck Spark Plug Wire Set is a practical upgrade for most LS-based truck owners who want improved noise suppression, heat protection and cleaner looks without changing coil locations. It represents good value for stock-location installs and mild header use, but buyers needing extra length or specific retention features should verify fitment before purchasing.

Frequently Asked Questions

Will these wires fit my 5.3L Silverado?
Yes, they are sized for LS-based truck applications with stock coil locations and are commonly used on 4.8L, 5.3L, 6.0L and 6.2L engines.

Are the boots suitable for aftermarket headers?
The angled boots improve clearance and routing with many aftermarket headers compared to factory wires, though fitment should be checked for tight builds.

Do the wires resist engine bay heat?
Yes, the high-temp silicone and fiberglass blend sleeve is designed to resist heat and abrasion in the engine bay.