(7 photos of a 1968 Raven Black Mustang GT California Special Hardtop) This Raven Black 1968 California Special hardtop was at the 2010 Mustang Roundup car show in Bellevue, Washington. It has the standard 12 slot argent styled wheels, white side stripe, side scoops with GT/CS graphics, California Special rear fender graphic, rear wing, and 289ci V8 engine. The C-code 289ci V8 was the most common engine for the 1968 GT/CS but others ordered included the T (200ci), J (302ci), X (290ci), S (390ci), and the R (428ci) code engines. Side stripes came in white, black, red, or metallic blue depending on the main exterior color. Most of the grilles included Lucas fog lamps but some did receive lamps manufactured by Marchal. 2.79:1 was the most common rear axle ratio but others included the 2.75:1, 3.00:1, 3.20:1, 3.23:1, and the 3.50:1. The GT California Special was a California special promotion but only about 8 percent of the cars was ordered with the GT option which included dual exhaust with quad exhaust tips, argent slotted steel wheels with GT center caps, and heavy duty front and rear spring. All other standard 1968 GT options were not used.