NGK Ruthenium HX 94567 Spark Plugs - (TR5AHX) Pack of 8
 
Upgraded plugs to improve your car's performance. NGK Ruthenium HX 94567 (TR5AHX) is designed for newer engines which demand high ignitability. 
Projected Square Platinum Electrode (PSPE) design promotes spark energy concentration and ignites a wider range of air-fuel ratios, offering improved performance in rich or lean engine conditions.

Ruthenium HX Spark Plugs
 
Trivalent metal platinum 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.
 
Compatible with the following part numbers
Bosch
HR8DPP30V (6709)
HGR8DQP (4458)
HR8KII33V (9655)
HR8LPP33U (8104)
HR8DPP33V (8108)
HR8LPP30U (6704)
HR8LII33U (9602)
HR7KPP33+
Denso
T16TT (4616)
PT16TT (4511)
PTJ16R15 (5077)
IT16 (5325)
ZTJ16R10 (5090)
IT16TT (4713)
VT16 (5621)
GM
12571164
12571533
12571535
12578277
12607234
12609877
12621258
12679799
12679800
12680072
12680073
19158035
19158037
19158041
19158042
19158043
19208533
19208534
19244469
19244471
19244475
19256067
19299585
19301805
19301810
19301811
19417055
25162555
25162556
25164048
25178637
25315018
25320206
25333938
5614289
88892834
Ford
AGSF22F1
AGSF22F1M
AGSF22FC
AGSF22FCM
AGSF22FSM
AGSF22W
AGSF22WM
AGSF32FM
AGSF32FSF6
AGSF32FSM
AGSF32FSMF6
AGSF32N
AGSF32PM
AGSF32PMF4
AGSF32WM
AGSF32WM1
AGSF32WMF4
AGSF32YPC
AGSF32YR
AGSF32YRA
AWSF22E
AWSF22FS
AWSF32P
AWSF32PM
AWSF32PP
CGSF22F
CGSF22N
CGSF22NA1
Mazda
AJ0318110
AJ0918110
AJ5718110
GY0118110
L30318110
ZZC218110A
ZZC418110
ZZC418110B
NGK Laser Iridium
IZTR5B11 (1465)
TR5AI-13 (90813)
NGK Iridium IX
TR55IX (7164)
TR5IX (7397)
NGK G-Power Platinum
TR5GP (3186)
TR55GP (3403)
NGK Laser/Double Platinum
PTR5D10 (3784)
PTR5C-13 (7740)
PZTR5A15 (7862)
NGK Standard
TR5 (2238)
TR55 (3951)