• 1965-74 F-150 4WD
• 1965-74 F-250, F-350 2/4WD

Notes:

• Does not fit with C6 transmission.
• Will not fit models with air injection cylinder heads.
• Will not fit F-150 2 wheel drive.
• Will fit F-150, F-250, F-350 4 wheel drive with automatic and manual transmission.

Emission Code:

• The product accompanying this document is legal only for off-highway use (except in California or states that have adopted California emission standards), racing use or for use on pre-emission-controlled motor vehicles/motor vehicleengines (pre-1974 domestic vehicles certified to California standards, pre-1974 domestic vehicles certified to federal standards and all pre-1974 foreign vehicles), per the manufacturer's application guide.