12 
12 Z66 Vortec 5300 V8 SFI Flex-Fuel
12 Vortec 5300 V8 SFI 295 HP
12 5.3L 8 CHARCOAL
12 Vortec 5300 V8 SFI 295 HP White
1 LT Vortec 5.3L V8 SFI FlexFuel
12 8.1L 8 BLUE
1 LT W/3LT 5.3L V8 FI F
12 5.3L 8 ORANGE
12 5.3L 8 BLUE
12 5.3L 8 WHITE
