What is the advantage of a spiral core wire?

A spiral core wire has lower electrical resistance compared to standard copper wires. This allows for a stronger, more consistent spark to reach the spark plug, which can improve engine performance and efficiency.

What does the 7mm silicone jacket do?

The 7mm silicone jacket protects the ignition wire from the high heat and potential abrasion found in the engine bay. This helps to ensure the longevity and reliable performance of the wires.

Do these wires come with new spark plugs?

This product is a set of ignition wires only. Spark plugs are sold separately and should be checked for wear and replaced if necessary during the same service.

Specifications

Brand: Granatelli Motor Sports
Part #: 28-1609S
UPC: 802735031645

Granatelli 99-10 GMC Sierra Pickup 6Cyl 4.3L Performance Ignition Wires

Name: Granatelli 99-10 GMC Sierra Pickup 6Cyl 4.3L Performance Ignition Wires
Brand: Granatelli Motor Sports
SKU: granatelli-motor-sports-granatelli-99-10-gmc-sierra-pickup-6cyl-4-3l-performance-t14-584830
Price: 164.59 USD
Availability: BackOrder

$164.59

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Fits 1999-2010 GMC Sierra 1500. Granatelli performance ignition wires for the 4.3L V6 engine, improving spark delivery.

Key Features

Fits 1999-2010 GMC Sierra 1500 and 2007 GMC Sierra 1500 Classic.
Designed for the 4.3L V6 engine.
Features a 7mm silicone jacket for heat and abrasion resistance.
Utilizes a high-performance spiral core wire for improved spark delivery.
Direct fit installation, no modifications required.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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Will it fit your car?

Fits these vehicles

GMC Sierra 1500 1999-2010
GMC Sierra 1500 Classic 2007

About this part

Product Details

These Granatelli ignition wires are built with a 7mm silicone jacket and a high-performance spiral core, which helps deliver a strong spark to your 1999-2010 GMC Sierra 1500's 4.3L V6 engine. The silicone jacket is designed to resist heat and abrasion, keeping the wires protected from the engine bay environment. This construction helps ensure consistent electrical performance, which can translate to a smoother running engine.

When you're looking to replace worn-out spark plug wires, this set from Granatelli is a solid option. They are made to fit your Sierra 1500 directly, meaning no modifications are needed for installation. The spiral core wire construction is a step up from standard copper wires, offering lower resistance for better energy transfer. This can make a noticeable difference in how your engine performs, especially if your old wires are starting to degrade.

This set is specifically for the 4.3L V6 engine found in the Sierra 1500 and the 2007 Sierra 1500 Classic. Make sure you're getting the right set for your specific engine configuration to ensure a direct fit and optimal performance.