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HKS Super Fire Racing Spark Plug, RE Type MAZDA RX-7


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Part #: 50003-M45RE
Notes: Super Fire Racing Spark Plug, RE Type
Your Price: $46.66

Specs

Heat Range NGK # 9
Thread Size 14mm × 12.7mm
Wrench Size 20.8mm

This Item Also Available In

Part Number Price Notes & Specs
50003-M50RE $46.66 Notes Super Fire Racing Spark Plug, RE Type
Heat Range NGK # 10
Thread Size 14mm × 12.7mm
Wrench Size 20.8mm
50003-M525RE $46.66 Notes Super Fire Racing Spark Plug, RE Type
Heat Range NGK # 10.5
Thread Size 14mm × 12.7mm
Wrench Size 20.8mm

All Fitments

MAZDA
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1983 - 1985 RX-7 ALL ALL ALL ALL ALL ALL From 10/1983 Thru 9/1985 Production Date; SA22C Chassis; Stock Plug/Heat Range: ROTARY:9
1985 - 1988 RX-7 ALL R2 1.3 T ALL ALL From 10/1985 Thru 8/1988 Production Date; FC3S/FC3C Chassis; Stock Plug/Heat Range: ROTARY:10,11
1988 - 1991 RX-7 ALL R2 1.3 T ALL ALL From 9/1988 Thru 12/1991 Production Date; FC3S/FC3C Chassis; Stock Plug/Heat Range: ROTARY:7,9
1993 - 1995 RX-7 ALL R2 1.3 T ALL ALL From 12/1991 Thru 8/2002 Production Date; FD3S Chassis; Stock Plug/Heat Range: ROTARY:7,9
NON-US VEHICLE
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
0 - 0 SEE NOTES FOR FITMENT ALL ALL ALL ALL ALL ALL For JDM Mazda Eunos Cosmo; w/ 20B 3Rotor Rotary Engine; From 4/1990 Thru 9/1995 Production Date; JCES/JCESE Chassis; Stock Plug/Heat Range: ROTARY:10

Product Description

ALL PLUGS SOLD INDIVIDUALLY

HKS S-Series Super Fire Racing Spark Plugs

HKS S-Series Super Fire Racing Spark Plugs are high performance Iridium plugs designed to handle advanced levels of tuning and still offer easy start-up and smooth idling.

  • 0.4mm diameter Iridium plug electrode core
  • U-shaped grooved electrode
  • S-Series Super Fire Spark Plugs are recommended for smooth cold starting, response and acceleration.

M-Series Super Fire Spark Plugs

HKS M-Series spark plugs are high performance Iridium plugs designed to provide improved ignition performance, durability and anti-carbon build-up.

  • 0.6mm Iridium Alloy Center Electrode
  • Outer Electrode with Platinum Chip
  • Short Type Outer Electrode (Anti-Vibration)
  • Thermal Edge
  • Spark Support Gap

*M Series is recommended for reliable ignition, durability and anti-carbon buildup under high load.

The Iridium alloy is used because of its durability and reliability. On an average plug, a narrow core typically shortens life span of plug but with the intense durability of iridium there is no sacrifice in any longevity. With a high melting point of 2454 degrees C, opposed to the 1769 degrees C of white gold, the electrode can tolerate the high levels of compression and minor knocking without any deterioration. A nickel coating on the housing also prevents the spark plug from premature deterioration. The Iridium plugs are available for multiple applications and offered in “colder” heat ranges of 7 and up and specifically for rotary, heat ranges of 9 and up are offered.

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