Voice or type your vehicle details and Wrenchy will confirm fitment in seconds.
| Attribute | Value |
|---|---|
| Center Electrode Tip Material | Nickel |
| Classification | Champion Copper Plus |
| Electrical Terminal Type | Removable Nut |
| Ground Electrode Core Material | Nickel |
| Hex Size | 0.813, 20.650 |
| Insulator Height | 0.06 |
| Manufacturer Heat Range | 11 |
| Plug Type | Rf11yc |
| Pre Gap Size | 0.040, 1.03 |
| Reach | 0.429 |
| Seat Type | Tapered |
This part fits the following vehicles:
| SubmodelSUB- MODEL |
Body Style | Years | Engine | Attributes |
|---|---|---|---|---|
| Base | Convertible | 1969 - 1973 | L6 4.1L | RWD Automatic & Manual & U/K |
| Base | Convertible | 1969 - 1973 | V8 5.8L | RWD Automatic & Manual & U/K |
| Base | Convertible | 1968 - 1973 | V8 5.0L | RWD Automatic & Manual & U/K |
| Base | Convertible | 1968 - 1971 | V8 7.0L | RWD Automatic & Manual & U/K |
| Base | Convertible | 1967 - 1969 | V8 6.4L | RWD Automatic & Manual & U/K |
| Base | Convertible | 1964 - 1965 | L6 2.8L | RWD Automatic & Manual & U/K |
| Base | Convertible | 1964 - 1970 | L6 3.3L | RWD Automatic & Manual & U/K |
| Base | Convertible | 1964 - 1965 | V8 4.3L | RWD Automatic & Manual & U/K |
| Base | Convertible | 1964 - 1968 | V8 4.7L | RWD Automatic & Manual & U/K |
| Base | Fastback | 1969 - 1973 | L6 4.1L | RWD Automatic & Manual & U/K |
| Base | Fastback | 1969 - 1973 | V8 5.8L | RWD Automatic & Manual & U/K |
| Base | Fastback | 1968 - 1973 | V8 5.0L | RWD Automatic & Manual & U/K |
| Base | Fastback | 1968 - 1971 | V8 7.0L | RWD Automatic & Manual & U/K |
| Base | Fastback | 1967 - 1969 | V8 6.4L | RWD Automatic & Manual & U/K |
| Base | Fastback | 1965 | L6 2.8L | RWD Automatic & Manual & U/K |
| Base | Fastback | 1965 - 1970 | L6 3.3L | RWD Automatic & Manual & U/K |
| Base | Fastback | 1965 | V8 4.3L | RWD Automatic & Manual & U/K |
| Base | Fastback | 1965 - 1968 | V8 4.7L | RWD Automatic & Manual & U/K |
| Base | Hardtop | 1969 - 1973 | L6 4.1L | RWD Automatic & Manual & U/K |
| Base | Hardtop | 1969 - 1973 | V8 5.8L | RWD Automatic & Manual & U/K |
| Base | Hardtop | 1968 - 1973 | V8 5.0L | RWD Automatic & Manual & U/K |
| Base | Hardtop | 1968 - 1971 | V8 7.0L | RWD Automatic & Manual & U/K |
| Base | Hardtop | 1967 - 1969 | V8 6.4L | RWD Automatic & Manual & U/K |
| Base | Hardtop | 1964 - 1965 | L6 2.8L | RWD Automatic & Manual & U/K |
| Base | Hardtop | 1964 - 1970 | L6 3.3L | RWD Automatic & Manual & U/K |
| Base | Hardtop | 1964 - 1965 | V8 4.3L | RWD Automatic & Manual & U/K |
| Base | Hardtop | 1964 - 1968 | V8 4.7L | RWD Automatic & Manual & U/K |
| Boss 302 | Fastback | 1969 - 1971 | V8 5.0L | RWD U/K |
| Boss 351 | Fastback | 1971 - 1972 | V8 5.8L | RWD U/K |
| Boss 429 | Fastback | 1969 - 1970 | V8 7.0L | RWD U/K |
| Grande | Hardtop | 1970 | L6 3.3L | RWD U/K |
| Grande | Hardtop | 1970 - 1973 | L6 4.1L | RWD U/K |
| Grande | Hardtop | 1970 - 1973 | V8 5.0L | RWD U/K |
| Grande | Hardtop | 1970 - 1973 | V8 5.8L | RWD U/K |
| Grande | Hardtop | 1970 - 1971 | V8 7.0L | RWD U/K |
| Mach 1 | Fastback | 1970 - 1973 | V8 5.0L | RWD U/K |
| Mach 1 | Fastback | 1970 - 1973 | V8 5.8L | RWD U/K |
| Mach 1 | Fastback | 1970 - 1971 | V8 7.0L | RWD U/K |
| Shelby GT-350 | Convertible | 1969 - 1970 | V8 5.8L | RWD U/K |
| Shelby GT-350 | Convertible | 1968 | V8 5.0L | RWD U/K |
| Shelby GT-350 | Fastback | 1969 - 1970 | V8 5.8L | RWD U/K |
| Shelby GT-350 | Fastback | 1968 | V8 5.0L | RWD U/K |
| Shelby GT-350 | Fastback | 1965 - 1967 | V8 4.7L | RWD U/K |
| Shelby GT-350H | Fastback | 1966 | V8 4.7L | RWD U/K |
| Shelby GT-500 | Convertible | 1967 - 1970 | V8 7.0L | RWD U/K |
| Shelby GT-500 | Fastback | 1967 - 1970 | V8 7.0L | RWD U/K |
| Shelby GT-500KR | Convertible | 1968 | V8 7.0L | RWD U/K |
| Shelby GT-500KR | Fastback | 1968 | V8 7.0L | RWD U/K |
We offer fast, reliable shipping on all orders:
We want you to be 100% satisfied with your purchase. That's why we offer:
This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.
Warranty does NOT cover:
| Brand | Part Number |
|---|---|
| ACDelco | 84TS |
| ACDelco | R84TS |
| ACDelco | R84TSX |
| Bosch | 7951 |
| Bosch | D9B |
| Bosch | D9BC |
| Bosch | DR10BC |
| Bosch | DR9B |
| Bosch | DR9BC |
| Champion Spark Plug | RF11YC |
| DENSO | MA16PRU |
| DENSO | MA16PRU11 |
| DENSO | MA16PRU15 |
| DENSO | MA16PU |
| DENSO | MA17PU |
| Massey Ferguson | 834237-MI |
| Massey Ferguson | 834237MI |
| Massey Ferguson | 834241-MI |
| Massey Ferguson | 834241MI |
| Mopar | 4339427 |
| Motorcraft | BF42 |
| Motorcraft | BF42C |
| Motorcraft | BF82 |
| Motorcraft | BF82C |
| Motorcraft | BF92 |
| Motorcraft | BRF42 |
| Motorcraft | BRF82 |
| Motorcraft | BSF42 |
| Motorcraft | BSF42C |
| Motorcraft | BSF82 |
| Motorcraft | BSF82C |
| Motorcraft | BSF92 |
| Motorcraft | BTF42 |
| Motorcraft | BTRF42 |
| NGK | A5FS |
| NGK | AP5FS |
| NGK | APR5FS |
| NGK | APR5FS11 |
| NGK | APR5FS15 |
| NGK | WR5 |
| Prestolite | 18F42 |
| Prestolite | 18RF42 |
| Torch | T6RTC |
| Torch | T6TC |
Fits Years: 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973
Fits Models: Mustang
In operation since 2007. Trusted by over a million DIYers, mechanics, and body shops across all 50 states.
If it doesn't fit, we make it right. No gimmicks, no fine print.
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