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Moroso

Moroso GM LS/LT 8.5mm Ultra 40 9.75in Long Wire Set w/o Alum Heatshield - Red

$250.16

SKU: M00R 73741

In Stock
In Stock
Ships by Jun 19
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Moroso Ultra 40 wire set is an 8.5mm ignition wire set designed for GM LS/LT series engines. It features a spiral-wound conductor with 40 ohms of resistance per foot, encased in red silicone wire. The set includes straight plug boots and a coil style terminal.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandMoroso
Part NumberM00R 73741

Videos

How to build your own custom spark plug wires! | Moroso Performance

How to build your own custom spark plug wires! | Moroso Performance

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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