Granatelli High Temp Spark Plug Wires - C8 Corvette LT2 – Corvette Parts from Custom Corvette Accessories

Granatelli high temp spark plug wire set in box for C8 Corvette LT2

Black Granatelli high temp spark plug wires with black fire sleeve for C8 Corvette LT2

Red Granatelli high temp spark plug wires with black fire sleeve for C8 Corvette LT2

Yellow Granatelli high temp spark plug wires with black fire sleeve for C8 Corvette LT2

Blue Granatelli high temp spark plug wires with black fire sleeve for C8 Corvette LT2

$309.75 $294.26 Save $15.49

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Color

Black and Black

Red and Black

Yellow and Black

Blue and Black

C8 Corvette Granatelli High Temp Spark Plug Wires (2020–2026)

The Granatelli High Temp Spark Plug Wires are a performance ignition upgrade for 2020–2026 C8 Corvette Stingray owners looking for stronger spark delivery, better heat protection, and a cleaner custom engine-bay look. Built around Granatelli’s patented 0-ohm wire technology, this C8 Corvette spark plug wire set is designed for LT2-powered cars and is a strong choice for street-driven Corvettes, spirited performance builds, and cars running in hotter engine-bay conditions.

Product Details

Granatelli designs these high-temp coil-near-plug wires to improve ignition efficiency while holding up in demanding underhood conditions. For C8 Corvette owners, the key benefits are the 0-ohm design, durable 8mm construction, high-temp silicone insulation, and the black fire sleeve used on the color variants. This page covers the multi-color high-temp version of the C8 LT2 wire set.

Brand: Granatelli Motor Sports
Product Type: High-temp coil-near-plug spark plug wire set
Vehicle Fitment: C8 Corvette LT2 applications
Wire Design: 0-ohm solid-core ignition wire design
Wire Diameter: 8mm
Connector Design: Stainless snap-lock connectors
Construction: Fiberglass-reinforced outer braid with high-temp silicone insulation
Heat Protection: High-temp silicone boots with black fire sleeve on color variants
System Note: OBD-II safe with EMI/RFI suppression design
Variant Options: Black/Black (28-8051HTBB), Red/Black (28-8051HTRB), Yellow/Black (28-8051HTYB), Blue/Black (28-8051HTBLB)
Use Case: Performance ignition upgrade for stock or modified LT2-powered C8 Corvette builds

Benefits

Performance spark plug wire upgrade for 2020–2026 C8 Corvette LT2 applications
Granatelli 0-ohm wire design helps maximize spark energy transfer
High-temp construction is a strong fit for hotter engine-bay conditions
8mm wire build adds durability for street and performance use
OBD-II safe design helps maintain clean ignition operation
Black fire sleeve helps protect the wires while adding a finished performance look
Available in black, red, yellow, and blue color combinations for custom engine-bay styling
Good choice for C8 Corvette owners looking to replace stock wires with a more performance-focused ignition-wire set

Important Ignition Notes

This page is built around the LT2 6.2L C8 Corvette application. That makes it the right product direction for C8 Stingray owners. If you are shopping for an E-Ray, confirm LT2 application before ordering. These wires are not for C8 Z06 LT6 applications.

CORVETTE COMPATIBILITY

Generation: C8 Corvette
Model Years: 2020–2026
Primary Model Fitment: Stingray
Engine Code: LT2 6.2L V8
Fuel Delivery: Direct injection
Transmission: Dual-clutch automatic
E-Ray Note: Verify LT2-based fitment before ordering
Exclusions: Does not fit C8 Z06 LT6

Installation Overview

These Granatelli ignition wires are a direct-fit style upgrade for the C8 LT2 ignition layout. Basic hand tools are typically all that is required. Match each wire carefully during installation, route the wires cleanly, and make sure each connector is fully seated. On modified cars, take extra care around heat sources and confirm proper clearance near any aftermarket exhaust components.

What Corvette Customers Say

C8 Corvette owners looking at Granatelli ignition wires usually want three things: a stronger-performance replacement for factory-style wires, better heat confidence in a hotter engine bay, and a cleaner custom appearance with black, red, yellow, or blue wire color options.

Why Buy These C8 Corvette Granatelli Spark Plug Wires From Custom Corvette Accessories?

Custom Corvette Accessories is enthusiast owned and operated, so product truth and fitment accuracy matter. These Granatelli high-temp spark plug wires are a smart upgrade for C8 LT2 owners who want a better ignition-wire setup, color-option flexibility, and a Corvette-focused source that understands the C8 Corvette Stingray

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Vehicle Fitment & Specifications

Generation:	C8
Trim Level:	Stingray, E-Ray
Engine Code:	LT2
Transmission Type:	Dual-Clutch
Intended Use:	Street, Track

Shipping Information

Item Weight:	2.0 lbs
Boxed Weight:	3.0 lbs
Box Size:	9 x 7 x 3

Frequently Asked Questions

Do these Granatelli high temp spark plug wires fit all C8 Corvettes?

These wires are built around the LT2-powered C8 application. They are the right fit direction for C8 Stingray models. E-Ray owners should confirm LT2 application before ordering, and these wires are not for the LT6-powered C8 Z06.

What makes Granatelli 0-ohm spark plug wires different from stock wires?

Granatelli 0-ohm wires are designed to reduce resistance and improve spark energy transfer while still controlling ignition noise. That makes them a stronger performance-oriented option than a basic stock replacement wire set.

Are these the right C8 ignition wires if my car runs hotter or has performance upgrades?

Yes. These high-temp wires are a good choice for C8 owners who want extra heat resistance, especially on cars driven hard or modified in ways that increase engine-bay heat.

What color options are available on this C8 Granatelli wire page?

This page covers four high-temp color options: Black/Black, Red/Black, Yellow/Black, and Blue/Black.

What problem do these Granatelli wires solve on a C8 Corvette?

They give LT2 Corvette owners a more performance-focused ignition-wire setup with stronger heat protection, better spark-delivery design, and a cleaner custom engine-bay appearance than a plain stock-style wire replacement.

C8 Corvette Granatelli High Performance Spark Plug Wires - High Temp