SC1, SL, SL1, SW1, SOHC, 8 Valves, FI, Naturally Aspirated, Gas, INTAKE PORTS HAVE EYEBROWS FOR INJECTORS | Head Cast

SC2, SL2, SW2, DOHC, 16 Valves, FI, Naturally Aspirated, Gas, INTAKE PORTS HAVE EYEBROWS FOR INJECTORS, 6 COUNTER WEIGHT CRANK

SC1, SL, SL1, SW1, SOHC, 8 Valves, FI, Naturally Aspirated, Gas, INTAKE PORTS HAVE EYEBROWS FOR INJECTORS, 8 COUNTER WEIGHT

SC1, SL, SL1, SOHC, 8 Valves, FI, Naturally Aspirated, Gas, ‘D’ Shaped Exhust Ports, 8 Counter Weight Crank | Head

9-2X, DOHC, 16 Valves, FI, Turbo, Gas, EJ205, W/P, Timing Gears Belt & Tensioner Installed, Shimless Bucker Lifters | Head

9-5, DOHC, 16 Valves, FI, Turbo, Gas, A20NFT | Head Cast #: 12626380

Bonneville, Catalina, Firebird, Grand LeMans, Grand Safari, LeMans, Parisienne, OHV, 16 Valves, Carb, Naturally Aspirated, Gas, 2.5″ Crank Centering RIng,

Catalina, Firebird, Grand LeMans, Grand Safari, LeMans, Parisienne, OHV, 16 Valves, Carb, Naturally Aspirated, Gas, 2.5″ Crank Centering Ring, SMOG