4.2L 6 WHITE
5.3L 8 WHITE
Vortec 4200 SFI I6 Black
5.3L 8 BLUE
4.2L 6 GRAY
4.2L 6 BLACK
5.3L 8 TAN
VORTEC 4200 SFI I6 Unknown
5.3L 8 GOLD
4.2L 6 SILVER