Cobalt, HHR, DOHC, 16 Valves, FI, Naturally Aspirated, Flex & Gas, LAP & LE8, Dual V.V.T., No SMOG | Head

Lumina, OHV, 8 Valves, FI, Naturally Aspirated, Gas, Aluminum Head, Trigger Fire Ignition | Head Cast #: 2391, 2391-S |

Cavalier, OHV, 8 Valves, FI, Naturally Aspirated, Gas, No Vacuum Pump Hole in Block, Cast Iron Head | Head Cast

Beretta, Cavalier, Corsica, OHV, 8 Valves, FI, Naturally Aspirated, Gas, Crank Trigger Fire Ignition, Aluminum Head | Head Cast #:

Tracker, DOHC, 16 Valves, FI, Naturally Aspirated, Gas, W/P, Timing Gears Belt & Tensioner Installed, Knock Sesnor Hole R/S Center

Cobalt, DOHC, 16 Valves, FI, Supercharged, Gas, LSJ Engine | Head Cast #: 55561059 | Block Cast #: 90537806 |

Malibu, DOHC, 16 Valves, FI, Turbo, Gas, LTG | VIN: X

S, T Series (Pickup, Blazer), SOHC, 8 Valves, Carb, Naturally Aspirated, Gas, Bolt-On Timing Mark on T/C, A.I.R. Holes Over