1969 Buick Skylark GS400Grand sport dual RAM air convertible muscle car. GM redesigned its body platform for 1968 & 1969 the muscle car movement of the late 60's. Among the redesigned muscle car offering was the Buick GS400 a slang term to describe the Gran Sport on the street and strip. Truth be told there were actually three GS models offered during 1968-1969 model years. the California GS. GS350. and the GS400 emerging from the upscale division of GM. In the years since the Big Inch GS has become something of a legend among gear heads. providing horse power. torque and comfort. As the name suggests each GS400 came with a 400-cubic in. V-8. It was introduced for the 1967 model year to replace the 401 nail head engine internally. the PR coded engine touted 4. 04 x 3. 90 inch bore and stroke 10:25 to 1 compression. hydraulic lifters. five main bearings surrounding a cast-iron crankshaft and cast aluminum pistons with forged connecting rods. The intake breathers threw a Rochester four barrel and 2-inch intake valves and exhaled through 1. 62 valves to dual exhaust system. This engine was retained unaltered for 1969 model year all through the corresponding engine code was changed to RR. engine size 6. 6L 400 cubic in. V-8 gas naturally aspirated muscle car. Grand Sport Convertible RAM Air GS400. This muscle car features factory climate control A/C. power windows. power seat. tilt wheel. turbo automatic transmission. New Firestone rubber. all new bushings. dual turbo muffler exhaust system. new alternator. all new Pearl White interior. new White top. new urethane paint with urethane clear. Car was striped to bare metal before painting. Color sanded and rubbed. she is a solid southern convertible with a new Pearl White top to boot. Original spare and jack. trunk mat. all original Buick mats with no wear. dash is also mint. no cracks. All top bows are in excellent condition. All original factory owner's service records. Any questions please give me a call 770-294-5105