NGK 13B Turbo Rotary Spark Plug Set (4pce) fits Mazda RX7 FC3S / FD3S (13BT)

Surface gap plugs are nearly immune to pre-ignition and usually require a special high energy ignition system. They can be susceptible to fouling, especially in colder applications, but may be necessary in high compression applications.

• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Corrugated ribs prevent flashover
• Pure alumina silicate ceramic insulator provides superior strength and better heat transfer
• Copper core aids in heat removal
• Triple seals prevent leakage

Specifications

• Warranty:1 Year
• Torque Specs:Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.
• Brand:NGK
• Heat Range:7 & 9
• Longevity:50k Miles
• Resistor:Yes

Product Information:

– 4 Piece Set
– NGK BUR7EQP (2x Leading Plugs)
– NGK BUR9EQP (2x Trailing Plugs)

Vehicle Compatibility:

– Mazda RX7 FC3S (13B Turbo)
– Mazda RX7 FD3S (13BREW)