Power comes from a 455ci V8 paired with a 3-speed TH400 automatic transmission, and modifications include TA Performance aluminum cylinder heads, an Edelbrock intake manifold, and Poston exhaust headers.The 455ci V8 has been modified with TA Performance Products aluminum Stage 1 cylinder heads, an aluminum Edelbrock intake manifold, and Poston headers which feed into a dual exhaust system with a crossover pipe.The stock cylinder heads, intake, and exhaust manifolds are included in the sale.Power is sent to the rear wheels through a 3-speed TH400 automatic transmission.A finned aluminum cover has been installed on the rear differential, and the factory piece is included in the sale.Service records a window sticker, manuals, and literature will be provided along with GSX Historical Society documentation.The body have been refinished in factory Saturn Yellow and features a black side stripe that wraps over the factory rear spoiler.Factory 15″ Buick Rally wheels feature black centers with polished lips and are mounted with BFGoodrich Radial T/A tires.The GSX option included the F41 suspension package, which added heavy-duty springs and a rear stabilizer bar.The black interior features vinyl bucket seats, a center console with horseshoe shifter, a factory padded steering wheel, tilt column, air conditioning, power windows, and a power driver’s seat.A modern retro-style AM/FM stereo has replaced the original radio.The 5-digit odometer shows approximately 25k miles, 12k of which have been added in 19 years. Total mileage is unknown.