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Vehicle Info NeededGRANATELLIPART NUMBER: 467-28-5362HT
28-5362HT High Temp Spark Plug Wires 2014-Present GM Truck L83 5.3L/L86 6.2L
$22859$253.99You Save$25.40
Ships on 09/16/2026
Lowest Price Guarantee5.3L / 6.2L
- High Temp Spark Plug Wires
- 2014-Present GM Truck L83 5.3L/L86 6.2L
- Straight Boot
Granatelli's high temperature spark plug wires have "0" Ohms resistance to increase power and fuel efficiency! These wires exceed OEM specifications, OBD-II computer safe and are a direct replacement for your stock wires. Silicone spark plug boots and 8MM sleeve jackets with fiberglass-reinforced braids resists temperatures up to 500°F. Available Ultra High Temp sleeved wire/boot combos offer additional protection with spark plug boot sleeves and resist heat up to 1200°F. These high temp wires from Granatelli are ideal for use with aftermarket headers and/or turbocharger systems. The patented technology has less RFI/EMI interference than an O.E. set and allows full coil power to reach the spark plug.
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Features
- Direct OEM replacement, exceeds OEM specifications, OBD-II computer safe.
- Increase power to the spark plug up to 400% over stock.
- Average gains on an otherwise stock motor are 5hp normally aspirated and 12-15 with factory forced induction.
- Zero Ohm resistance, no RFI / EMI interference thanks to patented protector ring.
- Patented design works with all fuel injection systems, street cars and race cars.
- Solid stainless connector cable with stainless snap lock spark plug connectors.
- 8mm high temp jacket and boots work great on high heat applications.
- Available in ultra high temp wire/boot sleeves that offer additional protection up to 1200°F.
- Includes all necessary hardware.
Part TypeSpark Plug Wire
Product LineGranatelli High Temperature LS Spark Plug Wires
BrandGRANATELLI
Package Height3.1
Package Width6.2
Package Length8.8
Weight1.95 PG
Part CategoryPerformance Parts
Vendor Part Number28-5362HT
Package Qty1
Package TypeEA
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