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Price: $89.99

MAXX Performance 8.5mm Ferrite Spiral Core Spark Plug Wires have a resistance of 500 Ohms per foot.  All wires are wrapped in a 500°F heat resistant thick silicone jacket to protect against current leakage and eliminates arcing. 

  • Ceramic boots withstand up to 2,000 degrees Fahrenheit
  • Custom-fit, ready to install, no assembly required
  • Premium 8.5mm thick high gloss silicone jacket, easy to clean
  • 500 ohms per foot resistance
  • 500°F heat resistance
  • Stainless steel spark plug terminals
  • Ferrite spiral core, high RFI suppression, no radio interference
  •  For electronic or points ignition system, street and strip use
  • High-strength, durable fiberglass braid construction, no leakage or arcing

Each set of MAXX Performance wires comes with heavy duty wire separators.

Fits the following applications:


Make Year Model Engine Cap Style
Chevrolet 1996-2014 All Models, Vortec w/SFI 4.3L 262 Vortec
GMC 1996-2014 All Models, Vortec w/SFI 4.3L 262 Vortec
Oldsmobile 1996-2001 All Models, Vortec w/SFI 4.3L 262 Vortec
Item Number: MAXX 521CB
Manufacturer: MAXX Performance Products
Manufacturer Part No: MAXX 521CB

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