We have been selling and tuning aftermarket ecus for 15 years .
All our products are tested in-house on our 4wd Dyno
We are the Original billet R35GTR ignition coil designers for all vehicles www.billetcoilkits.com
in- house cad design of all our billet parts . More coming soon !!!
sales@billetcoilkits.com performancepartsecus@gmail.com
Amazing coil kit. Perfect bolt on fit. My skyline runs extremely well with these billet coils. Seller responded fast and answered all questions straight to the point. Highly recommend the seller and the coil kit.