GM Vortec Marine Spark Plugs
Fits many GM based Vortec engines from 1998 to current. Carbureted and EFI's like Indmar TBI, MCX, RTP, LQ9, LY6, LTR, LT1, Vortec MX Plus, Predator, Malibu Monsoon, Malibu Assault. They also fit PCM Apex, ZR6 and Pro Ski...