to be onest i have the ngk tr55 ix in my truck got about 20,000 on them not really happy with them should put the platuim ac delco back in or the regular tr 55
to be onest i have the ngk tr55 ix in my truck got about 20,000 on them not really happy with them should put the platuim ac delco back in or the regular tr 55
[SIGPIC]5.3 k&n cai ,asm lt, hf cats, aero turbine muffler, vhp 216/224-551/551-115lsa, tbss intake, ls2 90mm tb,tb bypass, comp double roller tc, hv oil pump, ls2 injectors,nelson tune, b&m super cooler, taylor 10.4mm wires, ngk tr55ix, 373 Detroit tru trac,
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