1 of 448 Corvette ZR1s produced for 1993, 1 of 245 produced in Ruby Red 5.7L/405 HP LT5 DOHC V-8 engine designed by Lotus and assembled by Mercury Marine in Stillwater Oklahoma 6-speed ZF manual transmission Positraction rear differential The ZR1 had a different body than the standard Corvette including unique widened doors, rear quarters, rocker panels, rear fascia and rear upper panel to accommodate the tires that were 3 inches wider Leather sport seats with 6-way power adjustment Electronic air conditioning 4-wheel disc brakes with Bosch ABS system Power rack and pinion steering with cooler Selective ride control Dual Roofs Owner's manuals