lights were also redesigned. The Type RZ model was now equipped with larger brake rotors as well as 17-inch BBS wheels. In Japan, the Series 7 RX-7 was marketed under the Mazda and ɛ̃fini brand name. The Series 7 was also sold in Australia, New Zealand and the UK. Series 7 RX-7s were produced only in right-hand-drive configuration. Series 8 (1998-2002) Series 8 was the final series, and was only available in the Japanese market. More efficient turbochargers were available on certain models, while improved intercooling and radiator cooling was made possible by a redesigned front fascia with larger openings. The seats, steering wheel, and instrument cluster were all changed. The rear spoiler was modified and gained adjustability on certain models. Three horsepower levels are available: for automatic transmission equipped cars, for the Type RB, and available on the top-of-the-line sporting models. The high-end "Type RS" came equipped with Bilstein suspension and 17-inch wheels as standard equipment, and reduced weight to . Power was increased with the addition of a less restrictive muffler and more efficient turbochargers which featured abradable compressor seals, at 6,500 rpm and of torque at 5000 rpm as per the maximum Japanese limit. The Type RS had a brake upgrade by increasing rotor diameter front and rear to and front rotor thickness from to . The Type RS version also sported a 4.30 final drive ratio, providing a significant reduction in its 0– time. The gearbox was also modified, 5th gear was made longer to reduce cruising rpm and improve fuel efficiency. The very limited edition Type RZ version included all the features of the Type RS, but at a lighter weight, at . It also featured gun-metal colored BBS wheels and a red racing themed interior. An improved ABS system worked by braking differently on each wheel, allowing the car better turning during braking. The effective result made for safer driving for the average buyer. Easily the most collectible of all the RX-7s was the last model limited to 1,500 units. Dubbed the "Spirit R", they combined all the extra features Mazda had used on previous limited-run specials with new exclusive features like cross-drilled brake rotors. Sticker prices when new were 3,998,000 yen for Type-A and B and 3,398,000 yen for Type-C. Mazda's press release said "The Type-A Spirit R model is the ultimate RX-7, boasting the most outstanding driving performance in its history." There