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Denso IRT01-31 Spark Plug


Brand:	Denso
Part Number:	IRT01-31
UPC:	042511057524
Weight:	0.14 lbs
Condition:	New

Availability:	0 in Stock
	OUT OF STOCK

Product Information

Description:

Get the Denso IRT01-31 Spark Plug for your vehicle. Buy now and secure your purchase online!

No-compromise, top of the line race spark plug for the most serious enthusiast.

Specifications:

Center Electrode Core Material:

Copper

Center Electrode Tip Material:

Iridium Rhodium Alloy

Gap Size:

0.044 in.

Ground Configuration:

Slant

Ground Electrode Core Material:

Nickel

Ground Electrode Quantity:

Ground Electrode Tip Design:

Full Platinum

Hex Size:

20.6 mm

Manufacturer Heat Range:

Reach:

19.00 mm

Resistance:

5000 ohms

Seat Type:

Gasket

Country of Origin:

Select a vehicle to narrow Denso IRT01-31 Spark Plug fitment info!

Last Updated: 12/21/2017

Years

Vehicle

Per Vehicle

Fit Notes

Fitment Notes

2011

Mazda RX-8

1.3L R2 Gas

2 Iridium Power Spark Plug
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Sport, VIN: 2, GAS, FI
Stock# 5752
Trailing

Mazda RX-8

1.3L R2 Gas Iridium Power Spark Plug
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Sport, VIN: 2, GAS, FI
Stock# 5752
Trailing
2 Per Vehicle

2011

Mazda RX-8

1.3L R2 Gas

2 Iridium Power Spark Plug
Grand Touring, VIN: 4, GAS, FI
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing

Mazda RX-8

1.3L R2 Gas Iridium Power Spark Plug
Grand Touring, VIN: 4, GAS, FI
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
2 Per Vehicle

2010

Mazda RX-8

1.3L R2 Gas

2 Iridium Power Spark Plug
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Stock# 5752
Trailing
VIN: 2, GAS, FI

Mazda RX-8

1.3L R2 Gas Iridium Power Spark Plug
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Stock# 5752
Trailing
VIN: 2, GAS, FI
2 Per Vehicle

2010

Mazda RX-8

1.3L R2 Gas

2 Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
VIN: P, GAS, FI

Mazda RX-8

1.3L R2 Gas Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
VIN: P, GAS, FI
2 Per Vehicle

2010

2009

2010

2009

Mazda RX-8

1.3L R2 Gas

2 Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
VIN: M, GAS, FI

Mazda RX-8

1.3L R2 Gas Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
VIN: M, GAS, FI
2 Per Vehicle

2009

Mazda RX-8

1.3L R2 Gas

2 Iridium Power Spark Plug
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Stock# 5752
Trailing
VIN: P, GAS, FI

Mazda RX-8

1.3L R2 Gas Iridium Power Spark Plug
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Stock# 5752
Trailing
VIN: P, GAS, FI
2 Per Vehicle

2009

Mazda RX-8

1.3L R2 Gas

2 Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
VIN: 2, GAS, FI

Mazda RX-8

1.3L R2 Gas Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
VIN: 2, GAS, FI
2 Per Vehicle

2009

Mazda RX-8

1.3L R2 Gas

2 Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
VIN: 4, GAS, FI

Mazda RX-8

1.3L R2 Gas Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
VIN: 4, GAS, FI
2 Per Vehicle

2008

Mazda RX-8

1.3L R2 Gas

4 Iridium Power Spark Plug
GAS, FI
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Stock# 5752
Trailing

Mazda RX-8

1.3L R2 Gas Iridium Power Spark Plug
GAS, FI
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Stock# 5752
Trailing
4 Per Vehicle

2007

Mazda RX-8

1.3L R2 Gas

2 Iridium Power Spark Plug
GAS, FI
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing

Mazda RX-8

1.3L R2 Gas Iridium Power Spark Plug
GAS, FI
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
2 Per Vehicle

2006

2005

2006

2005

Mazda RX-8

1.3L R2 Gas

2 Iridium Power Spark Plug
GAS, FI
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Stock# 5752
Trailing

Mazda RX-8

1.3L R2 Gas Iridium Power Spark Plug
GAS, FI
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Stock# 5752
Trailing
2 Per Vehicle

2004

Mazda RX-8

1.3L R2 Gas

2 Iridium Power Spark Plug
GAS, FI
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing

Mazda RX-8

1.3L R2 Gas Iridium Power Spark Plug
GAS, FI
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
2 Per Vehicle

Denso IRT01-31 Spark Plug

Product Information

Description:

Specifications:

Select a vehicle to narrow Denso IRT01-31 Spark Plug fitment info!

Mazda RX-8 1.3L R2 Gas

2

Iridium Power Spark PlugGap 0.044 Iridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Sport, VIN: 2, GAS, FI Stock# 5752 Trailing

Mazda RX-8

1.3L R2 Gas Iridium Power Spark PlugGap 0.044 Iridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Sport, VIN: 2, GAS, FI Stock# 5752 Trailing 2 Per Vehicle

Mazda RX-8 1.3L R2 Gas

2

Iridium Power Spark PlugGrand Touring, VIN: 4, GAS, FI Iridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Trailing

Mazda RX-8

1.3L R2 Gas Iridium Power Spark PlugGrand Touring, VIN: 4, GAS, FI Iridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Trailing 2 Per Vehicle

Mazda RX-8 1.3L R2 Gas

2

Iridium Power Spark PlugGap 0.044 Iridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Stock# 5752 Trailing VIN: 2, GAS, FI

Mazda RX-8

1.3L R2 Gas Iridium Power Spark PlugGap 0.044 Iridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Stock# 5752 Trailing VIN: 2, GAS, FI 2 Per Vehicle

Mazda RX-8 1.3L R2 Gas

2

Iridium Power Spark PlugIridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Trailing VIN: P, GAS, FI

Mazda RX-8

1.3L R2 Gas Iridium Power Spark PlugIridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Trailing VIN: P, GAS, FI 2 Per Vehicle

Mazda RX-8 1.3L R2 Gas

2

Iridium Power Spark PlugIridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Trailing VIN: M, GAS, FI

Mazda RX-8

1.3L R2 Gas Iridium Power Spark PlugIridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Trailing VIN: M, GAS, FI 2 Per Vehicle

Mazda RX-8 1.3L R2 Gas

2

Iridium Power Spark PlugGap 0.044 Iridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Stock# 5752 Trailing VIN: P, GAS, FI

Mazda RX-8

1.3L R2 Gas Iridium Power Spark PlugGap 0.044 Iridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Stock# 5752 Trailing VIN: P, GAS, FI 2 Per Vehicle

Mazda RX-8 1.3L R2 Gas

2

Iridium Power Spark PlugIridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Trailing VIN: 2, GAS, FI

Mazda RX-8

1.3L R2 Gas Iridium Power Spark PlugIridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Trailing VIN: 2, GAS, FI 2 Per Vehicle

Mazda RX-8 1.3L R2 Gas

2

Iridium Power Spark PlugIridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Trailing VIN: 4, GAS, FI

Mazda RX-8

1.3L R2 Gas Iridium Power Spark PlugIridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Trailing VIN: 4, GAS, FI 2 Per Vehicle

Mazda RX-8 1.3L R2 Gas

4

Iridium Power Spark PlugGAS, FI Gap 0.044 Iridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Stock# 5752 Trailing

Mazda RX-8

1.3L R2 Gas Iridium Power Spark PlugGAS, FI Gap 0.044 Iridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Stock# 5752 Trailing 4 Per Vehicle

Mazda RX-8 1.3L R2 Gas

2

Iridium Power Spark PlugGAS, FI Iridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Trailing

Mazda RX-8

1.3L R2 Gas Iridium Power Spark PlugGAS, FI Iridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Trailing 2 Per Vehicle

Mazda RX-8 1.3L R2 Gas

2

Iridium Power Spark PlugGAS, FI Gap 0.044 Iridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Stock# 5752 Trailing

Mazda RX-8

1.3L R2 Gas Iridium Power Spark PlugGAS, FI Gap 0.044 Iridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Stock# 5752 Trailing 2 Per Vehicle

Mazda RX-8 1.3L R2 Gas

2

Iridium Power Spark PlugGAS, FI Iridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Trailing

Mazda RX-8

1.3L R2 Gas Iridium Power Spark PlugGAS, FI Iridium PwrPerf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir) Trailing 2 Per Vehicle

Mazda RX-8

1.3L R2 Gas

Iridium Power Spark Plug
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Sport, VIN: 2, GAS, FI
Stock# 5752
Trailing

1.3L R2 Gas Iridium Power Spark Plug
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Sport, VIN: 2, GAS, FI
Stock# 5752
Trailing
2 Per Vehicle

Mazda RX-8

1.3L R2 Gas

Iridium Power Spark Plug
Grand Touring, VIN: 4, GAS, FI
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing

1.3L R2 Gas Iridium Power Spark Plug
Grand Touring, VIN: 4, GAS, FI
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
2 Per Vehicle

Mazda RX-8

1.3L R2 Gas

Iridium Power Spark Plug
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Stock# 5752
Trailing
VIN: 2, GAS, FI

1.3L R2 Gas Iridium Power Spark Plug
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Stock# 5752
Trailing
VIN: 2, GAS, FI
2 Per Vehicle

Mazda RX-8

1.3L R2 Gas

Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
VIN: P, GAS, FI

1.3L R2 Gas Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
VIN: P, GAS, FI
2 Per Vehicle

Mazda RX-8

1.3L R2 Gas

Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
VIN: M, GAS, FI

1.3L R2 Gas Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
VIN: M, GAS, FI
2 Per Vehicle

Mazda RX-8

1.3L R2 Gas

Iridium Power Spark Plug
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Stock# 5752
Trailing
VIN: P, GAS, FI

1.3L R2 Gas Iridium Power Spark Plug
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Stock# 5752
Trailing
VIN: P, GAS, FI
2 Per Vehicle

Mazda RX-8

1.3L R2 Gas

Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
VIN: 2, GAS, FI

1.3L R2 Gas Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
VIN: 2, GAS, FI
2 Per Vehicle

Mazda RX-8

1.3L R2 Gas

Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
VIN: 4, GAS, FI

1.3L R2 Gas Iridium Power Spark Plug
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
VIN: 4, GAS, FI
2 Per Vehicle

Mazda RX-8

1.3L R2 Gas

Iridium Power Spark Plug
GAS, FI
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Stock# 5752
Trailing

1.3L R2 Gas Iridium Power Spark Plug
GAS, FI
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Stock# 5752
Trailing
4 Per Vehicle

Mazda RX-8

1.3L R2 Gas

Iridium Power Spark Plug
GAS, FI
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing

1.3L R2 Gas Iridium Power Spark Plug
GAS, FI
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
2 Per Vehicle

Mazda RX-8

1.3L R2 Gas

Iridium Power Spark Plug
GAS, FI
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Stock# 5752
Trailing

1.3L R2 Gas Iridium Power Spark Plug
GAS, FI
Gap 0.044
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Stock# 5752
Trailing
2 Per Vehicle

Mazda RX-8

1.3L R2 Gas

Iridium Power Spark Plug
GAS, FI
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing

1.3L R2 Gas Iridium Power Spark Plug
GAS, FI
Iridium Pwr
Perf Upgrade w/World's Smallest Center Electrode (0.4 mm Dia) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir)
Trailing
2 Per Vehicle