JE Pistons forged piston kit for the Nissan VR38DETT (GTR) specifies a 95.5mm bore, standard size pistons with a 10.0:1 compression ratio and flat-top crowns for 6-cylinder applications. JE uses proprietary Forged Side Relief (FSR) tooling and 2618 aluminum forgings made in the USA to provide high tensile strength for demanding conditions. The kit is finished to each engine application and includes wrist pins, locks and JE Pro Seal rings; features like accumulator grooves and skirt coatings are used where applicable to reduce friction and improve ring seal as noted in the source.
JE Pistons 07+ Nissan GTR VR38DETT 95.5mm Bore STD Size 10.0:1 CR Pistons