Put more of your ignition system’s available energy where it belongs—at the spark plug. Granatelli 10-inch blue 0-Ohm wires combine compact routing, high-temperature durability and strong spark delivery in one clean LS & LT performance upgrade.
The Granatelli 28-1545HTBL 0-Ohm High-Performance Spark Plug Wire Set is engineered for coil-near-plug applications that benefit from a compact 10-inch boot-to-boot wire length. The shorter configuration helps reduce unnecessary slack while maintaining a clean, controlled path between the ignition coil and spark plug.
Built with 8mm blue high-temperature silicone insulation rated beyond 500°F and a spiral-wound stainless-steel core, these wires combine heat resistance, EMI/RFI suppression and true 0-Ohm performance for demanding street, strip and high-horsepower GM LS & LT builds.
DIRECT SPARK. CLEAN ROUTING. BUILT FOR POWER.
GUARANTEED 5–10 HP GAIN
Naturally aspirated applications can see a measurable horsepower increase, while supercharged, turbocharged and nitrous combinations may see even greater gains.
Key Features
- True 0-Ohm resistance for maximum available ignition-energy transfer
- 10" overall length – measured boot end to boot end
- 8mm blue high-temperature silicone insulation
- Heat resistant beyond 500°F
- Spiral-wound stainless-steel core helps suppress EMI & RFI interference
- Designed for compatible GM LS & LT coil-near-plug ignition applications
- Compact 10-inch configuration helps reduce excess wire slack
- Excellent for tight engine bays and clean custom routing
- OE-style fit with no cutting or crimping required
- Compatible with modern ECUs and advanced ignition systems
- Excellent for naturally aspirated, supercharged, turbocharged and nitrous applications
- Pre-assembled and ready to install
- Complete V8 set – 8 wires
- Made in the USA
Compact 10" Configuration: These wires are designed for applications where the coils sit relatively close to the spark plugs. The shorter 10-inch boot-to-boot length helps keep routing tight and organized while reducing unnecessary wire loops inside the engine bay.
True 0-Ohm Spark Delivery
Granatelli's 0-Ohm conductor design is engineered to minimize resistance between the ignition coil and spark plug so the maximum available coil energy reaches the plug. Strong, consistent spark delivery becomes increasingly important as RPM, cylinder pressure, boost and horsepower increase.
10" Length for Clean Coil-to-Plug Routing
The 10-inch boot-to-boot configuration is particularly useful for coil-near-plug LS and compatible LT installations where excess wire is unnecessary. The compact length helps create a cleaner engine bay while keeping the wires positioned close to the intended routing path.
High-Temperature Blue Silicone Construction
Headers and performance exhaust systems can create serious heat around the spark plugs. The 8mm blue high-temperature silicone jacket is engineered to withstand temperatures beyond 500°F while providing dependable protection against under-hood heat and demanding operating conditions.
Performance Without Electronic Interference
Inside each wire is a spiral-wound stainless-steel core designed to suppress electromagnetic and radio-frequency interference. This helps maintain stable signals for modern ECUs, ignition systems and electronic engine-management components while still delivering Granatelli's 0-Ohm performance.
Compatible GM LS & LT Applications
Designed for compatible GM coil-near-plug applications using the correct 10-inch boot-end-to-boot-end wire configuration. Granatelli specifically identifies the following popular LS-family engines for this wire set.
Common Engine Sizes
| Engine Size | Common Applications |
|---|---|
| 4.8L | Compatible LS-based applications using the correct 10" wire configuration |
| 5.3L | Compatible LS/LT-based applications using the correct 10" wire configuration |
| 5.7L | LS1, LS6 |
| 6.0L | LS2, LQ4, LQ9 and other compatible LS applications |
| 6.2L | Compatible LS/LT applications using the correct 10" wire configuration |
| 7.0L | LS7 |
Important Fitment Notice: These wires measure 10 inches from boot end to boot end. Engine family or displacement alone does not guarantee physical fitment. Compare your existing wire length, ignition coil location, spark plug boot configuration and routing before ordering.
Heat Notice: The high-temperature silicone construction provides increased heat protection, but proper clearance from headers and other extremely hot exhaust components is still recommended whenever possible.