ACCEL 0526-4
ACCEL 0526-4
ACCEL 0526
ACCEL 0526
Accel® (84-04) GM/Ford 14mm x .708" HP Copper Spark Plug Set


Accel® (84-04) GM/Ford 14mm x .708" HP Copper Spark Plug Set

Regular price$39.95
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Compatible: (4.6L/5.0L/5.4L/5.7L)

1984 - 2002 Chevy Camaro

1993 - 2004 Chevy Corvette

1994 - 2003 Ford Mustang

1984 - 2002 Pontiac Firebird  

This part is legal for sale and use on Emissions Controlled Vehicles when used in accordance with the manufacturers application guide because it is a direct or consolidated replacement part.

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle




ACCEL HP Spark Plugs are made with a Copper core which is a better conductor than Platinum and Iridium. They deliver a stronger spark especially in high performance applications where high combustion pressures are present. Copper is much better at dissipating heat than other materials which lessens the chance of a misfire. ACCEL HP Spark Plugs are gapable allowing you to open the gap exposing a larger flame kernel or close it if needed for high boost applications. All ACCEL HP Spark Plugs have machine rolled threads allowing for a more precise thread engagement and torque retention.

Element Material Copper
Emission Code 2
GAP .060"
Heat Range 6
Hex Size 5/8"
Length Standard
Product Type Spark Plug
Projected Tip Yes
Qty 4
Reach .708"
Resistor Yes
Seat Type Tapered
Style Copper Core
Thread Size 14mm
Weight 2.0000
Part Number 0526-4