1981 Chevrolet K10 5.0L V8 VIN: H CARB Naturally Aspirated GAS. 1980 Chevrolet K10 7.4L V8 VIN: S CARB Naturally Aspirated GAS. 1980 Chevrolet K10 4.8L 6 Cyl VIN: T CARB Naturally Aspirated GAS. 1980 Chevrolet K10 5.7L V8 VIN: M CARB Naturally Aspirated GAS.
