| Spark Plug Specification Chart And Cross Reference: |
| NOLOGY | BOSCH | NKG | AUTOLITE | CHAMPION | NIPPON- DENSO |
SPLITFIRE | A.C. |
| SILVERSTONE S1K 14mm .708" reach 5/8" Hex Tapered Non-Resistor |
H9DC H8DC H7DC H9DCO HR8DCX HR10HCO |
TR5, SR5 TR5VX SR5-VX BPR6EFS TR4-2 |
103, 104 5164, 5243 2544, 764 |
RS9YC, RS12YC RS15LYC RS14LYC BN9Y DJ7Y |
T20EP-U T22EP-U T20EPR-U T16EX-U T16NR-11 |
SF10D SF10D6 SF514D |
42LTS 43LTS 44LTS 44NTSE |
| SILVERSTONE S2K 14mm .708" reach 5/8" Hex Tapered Non-Resistor |
H6DC H5DC H6DCO |
R5724-8 R5724-9 |
474,473 472,2543 |
RS10LC RS9YC S59YC |
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| SILVERSTONE CS1K 14mm .460" reach 5/8" Hex Tapered Non-Resistor |
H8BPX H9BPX H10BPX HR8BCX H9BCX HR10BC |
UR4,UR45 UR5, UR55 YR5, YR55 UR5VX YR5VX BPR6FS R5674-7 |
25, 24, 23 665, 664 145, 685 135, 134 13, 12 |
RV9YC, RV12YC RV15YC4, RV8C RV8CB, RV15YC6 |
T20PR-U T16PR-U T20P-U |
SF2D SF2D6 SF2E SF2E6 SF13C SF14E |
43TS R43TS R44TS 440T 438T |
| SILVERSTONE CS2K 14mm .460" reach 5/8" Hex Tapered Non-Resistor |
HR6BP HR5BP HR6BC HR5BC |
R5673-8 R5673-9 R5674-8 R5674-9 |
133, 132 131 |
V57C, V59C V4C, V57YC |
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SF2C SF13A |
42TS R42TS 436T |
| SILVERSTONE CS2K 14mm .460" reach 5/8" Hex Tapered Non-Resistor |
HR6BP HR5BP HR6BC HR5BC |
R5673-8 R5673-9 R5674-8 R5674-9 |
133, 132 131 |
V57C, V59C V4C, V57YC |
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SF2C SF13A |
42TS R42TS 436T |
| SILVERSTONE S3F 14mm 3/4" reach 5/8" Hex 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 RC9YC4 RC12LYC C61YC C57YC C59C C55C, C57 |
Q16R-U Q20PR-U K16PR-U KJ14CR-L PQ16R8 PK20PR-P |
SF392D SF392D6 |
FR1LS FR2LS FR3CLS FR3LS FR5LS |
| SILVERSTONE S5 14mm 3/4" reach 3/16" Hex 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 |
| SILVERSTONE S6 14mm 1/2" reach 13/16" Hex Gasket Non-Resistor |
W8AC W5AC W7BC W7EC WR9FP W8AP |
BP5HS BP8HS BP9HS B8HV BR8HS R5670-8 |
295, 303 75, 74, 73 86, 85 414, 411 275, 273 996, 4093 847 |
J12YC, RJ6C J8C, L82YC RL95YC, L82C XJ10Y |
W14M-U W22MR-U W22MP-U W24S-U W20P-U W24FS-W |
SF8E SF8E6 SF8G6 SF263D SF265F |
44S R47S B44S CR43S R45SX M41FF S45F |
| SILVERSTONE S7 14mm 3/4" reach 13/16" Hex 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 |
| SILVERSTONE S9 14mm 3/4" reach 13/16" Hex 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-V W29ES-ZU |
SF5C SF259D SF263D SF405B SF405C SF405D |
436XLS R41CXL M40FF S40XL |