Description
Pioneering Technology. The GMS High Performance Ignition Wires directly replace OEM ignition wires. They are OBD-II computer safe for use with aftermarket headers and turbocharger systems. The Granatelli patented design produces ignition wires with low resistance that maintains high noise suppression. The patented ring protector ensures 0 ohm resistance and no RFI/EMI interference.
Quality and Durability. The cables are solid stainless with stainless snap lock spark plug connectors. The high temperature silicone boots and fiberglass-reinforced braid with 8 mm jacket are able to resist up to 500 degrees F. The construction surpasses OEM specifications.
Increased Horsepower. You’ll gain increased torque, fuel economy, and horsepower increases up to 15 horsepower with a normally aspirated engine and 35 horsepower for supercharged, turbo, and nitrous engines. Stock motors will see gains of 5 horsepower N/A and 12 to 15 gains with factory forced induction. The power increase to the spark plug is up to 400% over stock.
Application. The GMS High Performance High Temp Red Ignition Wires fits all 2007-2013 4.8L, 5.3L, and 6.0L GMC Sierra models.
Made in the USA
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Granatelli Motor Sports 28-1629HTR
CA Residents: WARNING: Cancer and Reproductive Harm
- Direct Replacement for OEM Ignition Wires
- Use with Aftermarket Headers and/or Turbocharger Systems
- Solid Stainless Connector Cable
- High Temperature Silicone Boots
- Fiberglass-Reinforced Braid with 8MM Jacket
- Surpasses OEM Specifications
- OBD-II Computer Safe
- Power Increased to Spark Plug Up to 400% Over Stock
- Increases up to 15 Horsepower (Normally Aspirated) and 35 Horsepower (S/C, Turbo, and Nitrous)
- 5 Horsepower N/A Average Gains on Stock Motor
- 12 to 15 Average Gains With Factory Forced Induction
- Patented Ring Protector
- Made in the USA
- Fits All 2007-2013 4.8L, 5.3L, and 6.0L GMC Sierra Models






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