Hey guys, is the BKR7EIX-11 the colder platinum plug I should buy for my boosted NA engine? I believe the BKR5EIX-11 is the recommended plug for a normal NA engine.
Thanks.
1992 240sx with a VG30DE + 5-speed (personally transplanted)
Follow Ups
NA colder platinum plug??? BKR7EIX-11 - ajmshred19:50:27 04/17/08