unencumbered by Japanese Government dimension regulations restricting overall width to less than was somewhat wider than the 2-liter models, at . Japanese 300ZX buyers were liable for additional yearly taxes that affected sales. As originally introduced, all Japanese market Fairlady Z's were slicktops, but the T-top option was made available in February 1984. The 2-liter models later gained the 200Z, 200ZG, or 200ZS monikers to help differentiate from the larger, three-liter models. They all used the VG20ET engine while the 200ZR came with the RB20DET. The 300ZX came with the VG30ET, with similar specifications to the USDM model. The only Fairlady Z variant to use the VG30DE engine, and the only Japanese-market model with a naturally aspirated engine, was the 300ZR. It continued to be marketed as a companion fastback to the more formal appearance of the Nissan Skyline-based Nissan Leopard coupé at Nissan Bluebird Store Japanese dealerships. The 200ZR model was introduced in October 1985 and was the first production car in the world to use a ceramic turbocharger. Maximum power output is Net. The 200ZR was offered on both wheelbases and as a slicktop (200ZR-I) or as a T-top (200ZR-II). 1986 model year 200ZR's feature a prominent central hood scoop. This was made much smaller with the October 1986 facelift, which generally made for a smoother appearance overall. With the facelift, claimed power of the turbocharged 300ZX dropped to as Nissan changed from Gross to Net ratings, and the VG20-powered models were discontinued. This was also when the DOHC, naturally aspirated, 300ZR model was added to the lineup, with , making for three differently engined models with nearly the same performance. The 300ZR was positioned as a sportier alternative, with tighter suspension settings, while the turbocharged 300ZX was now only offered with an automatic transmission, and the 200ZR was a budget alternative as it fit into a lower tax and insurance category thanks to its smaller engine. European models The European turbo models, as well as those sold in other markets unencumbered by strict emissions regulations, produce due to higher lift and higher duration on the camshaft profile, also known outside of Europe as the Nismo camshafts. The two-seater model was not available in mainland Europe but was available in the United Kingdom. Some models were also equipped without catalytic converters. All European turbocharged models received a different front lower spoiler as well, with 84-86 models being unique