NGK Race Spark Plug Heat Range 9 for VR38DETT GT-R R35 2JZ-GE The AOS is sealed with

The AOS is sealed with Viton o-rings and all ports are AN o-ring boss ports

Retainer PN: BC2305-24

By installing the SIG*CON

ShepTrans 10 Plate ETS

from the burnout box to the finishing line at Circuit de la Sarthe

NGK Race Spark Plug Heat Range 9 for VR38DETT GT-R R35 2JZ-GE The AOS is sealed withThe NGK race plugs are what we use and recommend for over 2000hp in the VR38. We offer both 9 and 10 heat ranges, which is one or two steps colder than the stock plugs. We recommend heat range 9 for cars making up to 1,600whp using gas or ethanol fuels, and heat range 10 for anything over that running ethanol or methanol. Price is per plug.