2000BLKSupersport

I need to replace my spark plugs, can anyone tell me which ones to get. My car is stock but plan to install them when i do a LT install.

Lithium

iTrader: (47)

NGK TR55's.

SgtB

iTrader: (3)

if you stay N/A go NGK TR55.

if you plan on spraying go NGK TR6

FstBlkz28

iTrader: (13)

Another vote for the tr55's ... i've run Bosch Plat +4's, and the NGK's > the +4's.
They have a much crisper startup, and also much better throttle response.

orangeapeel

iTrader: (18)

NGK Tr55's and TR-5 at .045

RPM WS6

iTrader: (3)

Another vote for TR55s. Gapped around .055".

SS1875

iTrader: (34)

And yet another vote for NGK TR55's..N/A.
TR6 if using Nitrous.

blkbird

iTrader: (28)

NGK TR55's

ULTIMATEORANGESS

iTrader: (4)

has anyone recommended NGKs TR55s?

98A4LS1

iTrader: (1)

AC Delco iridium

SgtB

iTrader: (3)

smart ***

777

iTrader: (21)

That gap is too tight for a stock engine. It would work great for a large head/cam engine like yours though.

TPiS

We just ran the ROLEX 24 hr with BOSCH +4's for a total of testing and race miles of 2700 miles. The plugs looked perfect afterwords. We also used our TPIS wires. The car is a Corvette running under the Banner Eng. sponsorship.
We have in the last two years won back to back championships in both the ASA series and the SCCA T-2 class with +4's. I have tested every plug on the market several different times and the +4's always make more power.
Myron Cottell,pres