Possible spark plugs:

• NGK: UR4
• Accel: 274
• Accel: 276S
• AC Delco: 2
• AC Delco: 44TS
• AC Delco: 45TS
• AC Delco: 46TS
• AC Delco: CR44TS
• AC Delco: CR45TS
• AC Delco: R43TS
• AC Delco: R44TS
• AC Delco: R45TS
• Autolite: 26
• Autolite: 667
• Autolite: 727
• Autolite: 965
• Autolite: 966
• Autolite: AP26
• Autolite: AP666
• Autolite: 15
• Autolite: 16
• Autolite: 25
• Autolite: 725
• Autolite: 726
• Autolite: AR25
• Beck Arnley: 176-5179
• Bosch: HR10BC
• Bosch: HR10BCX
• Bosch: HR9BC
• Champion: RV15YC4
• Champion: RV17YC
• Champion: RV15YC
• Champion: 4019
• Champion: 4018
• Champion: 2406
• Champion: 2025
• Champion: 2018
• Champion: RV12YC
• Champion: RV15YC6
• Denso: T14PR-U
• Denso: T16PR-U11
• Denso: T16PR-U
• Denso: T16P-U
• Mighty: M4F42
• Mighty: M4F52
• Mighty: M4RF426
• Mopar: 3874934
• Mopar: 4289155
• Mopar: 4141705
• Mopar: 4339413
• Mopar: 4318135
• Mopar: 82300322
• Motorcraft: ASF42C
• Motorcraft: ASF52C
• Motorcraft: AF42
• Motorcraft: AF42C
• Motorcraft: AF52
• Motorcraft: AF52C
• Napa: X941
• Napa: X741
• Prestolite: 14RF52
• Prestolite: 14F42
• Prestolite: 14F52
• Splitfire: SM002E
• Splitfire: SF002E
• Splitfire: SF002E6
• Valley Forge: 23R
• Valley Forge: 25
• Valley Forge: 24R
• Valley Forge: 25R