- Copper Plus spark plug has a copper core center electrode that allows for accurate control of heat range, optimizing performance and longevity of the spark plug
- Patented SAC-9 semi-conductor resistor for maximum EMI and RFI suppression
- Patented Ultraseal? coated shell for rust prevention
Suzuki -- RM 250 -- (2002, 2003, 2001); Suzuki -- GS 1000 E -- (1978, 1983, 1979, 1996, 1998, 1977, 2000, 2001, 1997, 1999, 1980, 1981, 1982); Suzuki -- GS 1000 GL -- (1981, 1999, 2000, 2001, 1978, 1980, 1982, 1983, 1997, 1998, 1996, 1977, 1979); Suzuki -- GS 850 GL -- (1980); Suzuki -- LT-R 500 QuadRacer -- (1989, 1990, 1988, 1987); Suzuki -- GS 850 G -- (1980); Suzuki -- RM 400 -- (1978, 1979, 1980); Suzuki -- RM 500 -- (1983); Yamaha -- DT 250 -- (1981, 1983, 1982); Yamaha -- DT 400 -- (1978, 1979, 1981, 1977, 1980); Yamaha -- DT 125 -- (1982, 1984, 1983, 2008, 2007, 1985, 1986); Yamaha -- YZ 250 -- (1996, 1998, 1990, 2003, 1989, 1991, 1995, 2001, 1986, 1987, 1993, 2002, 1988, 1994, 2004, 1992, 1997, 1999, 2000); Yamaha -- Banshee 350 LE 4x2 -- (2004, 2003); Yamaha -- RD 250 -- (1982, 1981); Aprilia -- Amico 50 LX -- (1993); Aprilia -- Amico 50 GL -- (1993); Beta -- TR 34 125 -- (1990, 1989); Beta -- TR 35 260 -- (1990, 1992, 1991, 1989); Beta -- Alp 260 -- (1993, 1998, 1992, 1995, 1997, 1996, 1994); Beta -- TR 34 260 -- (1990, 1992, 1991, 1989); Beta -- TR 35 125 -- (1990, 1989); Bultaco -- Astro 360 -- (1972, 1977, 1974, 1975, 1976, 1973); Bultaco -- Matador 250 -- (1969, 1968, 1973, 1975, 1971, 1974, 1976, 1970, 1972); Bultaco -- Pursang 360 -- (1973, 1971, 1972, 1974); Bultaco -- Pursang 250 -- (1972, 1977, 1978, 1979, 1974, 1971, 1973); Bultaco -- Pursang 370 -- (1979, 1978, 1977); Bultaco -- Frontera 250 -- (1978, 1979); Bultaco -- Frontera 370 -- (1978, 1979); Cagiva -- Alazzurra 350 TL -- (1988, 1982, 1983, 1986, 1984, 1985, 1987); Cagiva -- Elefant -- (1989, 1996, 1994, 1995, 1990, 1997, 1991, 1998, 1992, 1993); Cagiva -- K3 50 -- (1993, 1994, 1991, 1998, 1996, 1995, 1992, 1997); Cagiva -- W4 -- (1992, 1995, 1993, 1996, 1994, 1997, 1991, 1998); Honda -- MT250K Elsinore -- (1974, 1975, 1976); Honda -- MR250 Elsinore -- (1977, 1986, 1975, 1976); Kawasaki -- KE 125 -- (1968, 1973, 1976, 1978, 1979, 1988, 1995, 1969, 1970, 2000, 2001, 1982, 1985, 1996, 1998, 1984, 1990, 1992, 1994, 1966, 1975, 1981, 1983, 1986, 1997, 1991, 1993, 1971, 1972, 1999, 1967, 1974, 1977, 1980, 1987, 1989); Kawasaki -- KLT 250 -- (1981, 1990, 1991, 1980, 1982, 1984, 1986, 1988, 1978, 1987, 1979, 1985, 1989, 1983); Kawasaki -- KV 100 -- (1975, 1977, 1972, 1974, 1968, 1970, 1978, 1966, 1973, 1976, 1979, 1982, 1996, 1997, 1969, 1971, 1983, 1985, 1980, 1981, 1995, 1998, 1967, 1984, 1991, 1987, 1989, 1992, 1994, 1999, 2001, 1988, 1990, 1986, 1993, 2000); Kawasaki -- KE 250 -- (1979, 1978, 1977, 1980); Kawasaki -- KLT 185 -- (1987, 1988, 1986); Kawasaki -- KZ 1000 -- (1980, 1997, 2000, 1983, 1987, 1974, 1975, 1998, 1999, 2011, 1982, 1988, 1995, 2005, 1973, 1978, 1989, 1991, 2003, 1977, 1979, 1984, 1994, 1996, 2001, 2013, 1976, 1985, 1990, 1992, 2002, 2004, 1981, 1986, 1993, 2012); Kawasaki -- KZ 1100 -- (1982, 1981, 1978, 1979, 1973, 1974, 1980, 1985, 1977, 1975, 1976, 1983, 1984); Kawasaki -- KZ 1300 A -- (1988, 1981, 1984, 1986, 1987, 1979, 1983, 1989, 1985, 1982, 1980); Kawasaki -- KLF 300 Bayou -- (1988); BSA -- B50 MX Motocross -- (1971, 1972); BSA -- A75R Rocket Three -- (1971, 1969, 1970, 1972)
