Quick Product Details Manufacturer: N/A Category: Accessories Product SKU: ZCAP-3 Product Description One (1) Plastic Center Cap for the 1990 to 1996 300ZX (Z32 chassis model) factory wheel. Measures 54.0 mm / 2-1/8" diameter. Please Note: Will not fit 1st month (02/1989 up to 03/1989) production for 1990 model year, which requires a 44.7 mm diameter center cap.