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Information:




Spark Plug Specification Chart And Cross Reference:
NOLOGY SILVER  BOSCH NGK AUTOLITE CHAMPION NIPPON-
DENSO
SPLITFIRE A.C.

H4YS

M14x1.25
Reach- 11.2mm (.460")
Hex-16mm (5/8")
Tapered
Non-Resistor

H8BPX
H9BPX
H10BPX
HR8BCX
H9BCX
HR10BC
HR6BP
HR5BP
HR6BC
HR5BC
UR4,UR45
UR5, UR55
YR5, YR55
UR5VX
YR5VX
BPR6FS
R5674-7
R5673-8
25,24,23,665,664,
145,685,135,134
13,12,133,132
131
RV9YC, RV12YC,
RV15YC4, RV8C,
RV8CB, RV15YC6,
V59C,
V4C, V57YC,

T20PR-U
T16PR-U
T20P-U

SF2D,SF2D6
SF2E,SF2E6
SF13C,SF14E
SF2C,SF13A
43TS
R43TS
R44TS
440T
438T
42TS
R42TS
436T

G4YS

M14x1.25
Reach-17.5mm (.708")
Hex-16mm (5/8")
Tapered
Non-Resistor

H9DC
H8DC
H7DC
H9DCO
HR8DCX
H6DC
H5DC
H6DCO
TR5, SR5
TR5VX
SR5-VX
BPR6EFS
TR4-2
R5724-8
R5724-9
103, 104
5164, 5243
2544,764,
474,473
472,2543
RS9YC, RS12YC
RS15LYC
RS14LYC
BN9Y,DJ7Y,
RS10LC
RS9YC
S59YC

T20EP-U
T22EP-U
T20EPR-U
T16EX-U
T16NR-11

SF10D,SF10D6
SF514D

42LTS
43LTS
44LTS
44NTSE

D4YS

M14x1.25 Reach-19mm (3/4)
Hex-16mm (5/8)
Gasket
Non-Resistor

FR10DCX
FR7DCX
FR5DTC
F6DSR
F8DC
F6DP
BCPR5ES
BCPRSEY-11
PFR6EK
ZFR5F-11
PZFR6F
BKR5EKU
3934, 3933
3932, 3911
3910, 3924
3923, 3922
5184
RC14YC,
RC12YC
RC12LYC
C61YC
C57YC
C59C
C55C, C57

Q16R-U
Q20PR-U
K16PR-U
PQ16R8
PK20PR-P

SF392D,
SF392D6
FR1LS
FR2LS
FR3CLS
FR3LS
FR5LS
L7YS

M14x1.25
Reach-19mm 3/4"
Hex-21mm (13/16")
Gasket
Non-Resistor

W10CC
W8CC
W10DC
W8DC
WR8DPX
WR9DP
B4ES
B5ES
BP5ES
BP4ES
BPR5ES
56, 55, 66
405, 404
393, 4263
4056, 4265
925, 945
2585
N14YC, N12YC
RN5C, N5C
N11YC, N88
W14E
W16ESL-1
W20ESU
W20ESRL
SF40D
SF405F
SF426E
SF6E
SF6F6
43N
44XL
R46XL
S44XL
R42XLSM

L4YS

M14x1.25
Reach-19mm 3/4"
Hex-21mm (13/16")
Gasket
Non-Resistor

W7CC
W6CC
W7DC
W6DC
WR6DPO
WR7DTC
BP6ES
BP7ES
B6ES
B7EV
B7EVX
BR7ES
53, 63, 64
403, 4055
4054
4253, 4263
N9YC, RN9YC4
N4C, QN3, N6YC
W22ES-U
W24ESR-U
W22ES-L
W24EP-U
W22EX-U
SF6C
SF6D
SF409C
SF425C
SF426C
S41FR
S41XL
440XLS
L0S

M14x1.25
Reach-19mm 3/4"
Hex-21mm (13/16")
Gasket
Non-Resistor

W5CC
W4CC
W3CC
W3DPO
WR3CTC
WR4DPO
BP8ES
BP9ES
B8ES
B9ES
B8EV
B9EV
52, 51, 62
402, 4252
2526, 2626
4053, 4052
4063, 4062
N3C, N2C W27ES-U
W29ES-U
W29ES-V
W29ESR
W29ES-ZU
SF5C
SF259D
SF263D
SF405B
SF405C
SF405D
436XLS
R41CXL
M40FF
S40XL
R4YS

M14x1.25
Reach-25 mm Hex-16mm (5/8)
Tapered

Non-Resistor
  PTR5A-B     PT16VR13
ITV16
SF534D  
ER4YS

M14x1.25
Reach-26.5mm Hex-16mm(5/8)
Gasket
Resistor

LFR5AIX-11
PLFR5A-11
LFR5AGP
LFR5A-11
      SK16HR11
IKH16
   
B2S

M12x1.25 Reach 19mm (3/4)
Hex 17.5mm Gasket
Non-Resistor

  DPR6EA-9
DPR7EV-9
PP6EA-9
DPR7EA-9
DPR9EA-9
4164 RA8HC IX27B
X27EPR-
TP416D
SF416D
 
A0S

M10x1
Reach-19mm (3/4)
Hex-16mm (5/8)
Gasket

Non-Resistor
  CR9EIX 4302   IU01-27
IU27
U27ESRN
TP430B
SF430B
 




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