Blazer (Full-Size), C, K Series Trucks, G Series Vans, P Series, R, V Series Trucks, Suburban, Tahoe, OHV, 16 Valves,

C, K Series Trucks, G Series Vans, P Series, R, V Series Trucks, Suburban, OHV, 16 Valves, Carb & FI,

Blazer (Full-Size), C, K Series Trucks, C3500HD, G Series Vans, P Series, R, V Series Trucks, Suburban, Tahoe, OHV, 16

Corvette, OHV, 16 Valves, FI, Naturally Aspirated, Gas, Aluminum Heads, 4 Bolt Main | Head Cast #: 374, 643, 843

C, K Series Trucks, G Series Vans, P Series, R, V Series Trucks, Suburban, OHV, 16 Valves, FI, Naturally Aspirated,

C, K Series Trucks, G Series Vans, OHV, 16 Valves, FI, Naturally Aspirated, CNG, Up to 8500 GVW Only, 4

C, K Series Trucks, C3500HD, G Series Vans, P Series, R, V Series Trucks, Suburban, OHV, 16 Valves, Carb &

Blazer (Full-Size), C, K Series Trucks, C3500HD, G Series Vans, P Series, R, V Series Trucks, Suburban, Tahoe, OHV, 16