Ford Performance Parts 3V Cold Spark Plug Set (16mm Thread) Full Metal Designs CJ 1978 - 1989 Mercury

CJ 1978 - 1989 Mercury Grand Marquis Base 1979 - 1986 Mercury Grand Marquis Colony Park 1987 - 1991 Mercury Grand Marquis GS 1983 - 1991 Mercury Grand Marquis LS 1971 - 1985 Mercury Marquis Base

Silverado 1961 - 1974 Chevrolet C20 Pickup Base 1968 - 1974 Chevrolet C20 Suburban Base 1981 - 1986 Chevrolet C20 Suburban Custom 1975 - 1980 Chevrolet C20 Suburban Custom Deluxe 1981 Chevrolet C20 Suburban Deluxe 1975 - 1986 Chevrolet C20 Suburban Scottsdale

Throttle body features CNC'd Ford Racing logo

550 lb Working Load Limit

500 lumens for each individual light (2

Ford Performance Parts 3V Cold Spark Plug Set (16mm Thread) Full Metal Designs CJ 1978 - 1989 Mercury3v Cold Spark Plug (16 Mm Thread) This part supersedes Ford Performance M 12405 3V0 Fits 2005 2008 3V heads requiring the 16 mm thread For use in engines with higher than stock cylinder combustion pressures or sustained high rpm Unique design is proprietary to Ford 3 valve engines One heat range colder than the stock Mustang GT plug Two heat ranges colder than the stock 5. 4L 3V truck engine plug Sold in engine sets of 8 Use M 12405 3V12MM spark plugs