Impul versions of the Nissan RPS13 180SX and the S13, S14 and S15 Silvias. They made the 314S zenki S14 and the kouki Super Silvia S14. Wheels on the 180SX are one piece Impul RS. The S14s are wearing the 3 piece Hoshino Racing RS. The S13 Silvia has Impul R5 which were the predecessor to the RS. On the S15 we have the Impul NS01-R
S31 Fairlady. Wheels are RS Watanabe R-type. The owner has two sets. One for street and one for track. Front wheels are the same size for both at 15x10J-25 and rear for the street is 15x11J-38. Rear for the track are an even larger 15x12J-51 set.