Project Kics R40 Black Lug Nuts with Locks (M12 x 1.25) (KRC13K) Hawk Performance Unitronic’s ECU calibrations are engineered

Unitronic’s ECU calibrations are engineered to improve engine response and reduce low-end lag

The 2015+ has a larger GTR logo that doesn't fit these Seibon badges

IS901-0775H (997 TT)

20-0463 (Allows Check Valves)

Project Kics R40 Black Lug Nuts with Locks (M12 x 1.25) (KRC13K) Hawk Performance Unitronic’s ECU calibrations are engineeredProject Kics Racing Composite R40 black chrome lug nuts with locks. M12 x 1. 25 thread fits most Subaru, Nissan and Infinity models. Features a two piece floating seat design allowing you to properly torque the lug nuts without marring your wheel finish. Full set of 20 nuts includes 4 special locking lugs. Vehicle Fitment: M12 x 1. 25 Lug Nut Fits Most Subaru and Nissan models Subaru WRX, STi, BRZ, FRS, GT86 Nissan GTR, 350Z, 370Z, S13, S14 Infinity