1964-74 PONTIAC V8 CYLINDER HEAD CASTING NUMBERS1964 326/250 hp 326/280 hp 389/215, 230, 235 hp 389/267, 283, 303, 306 hp 389/325, 330, 348 hp 421/320 hp 421/350, 370 hp1965 326/250 hp 326/285 hp 389/256 hp 389/290, 325, 333 hp 389/335, 338, 360 hp 421/338 hp...
Identifying Pontiac cylinder heads is also a fairly straightforward procedure. This process is made easier since the majority of Pontiac cylinder heads have the casting number, or a portion of it, on the outside of the head (as opposed to under the valve cover like...
All engine blocks have a casting code. The codes below will tell you the year during which a specifc casting number was used.In some cases the same casting number is used across various years and have different characteristics like the number of bolts on the mains...
Head #Intake CC’s MaxExhaust CC’s Max4X1561426X1611485C1541404615814116165152621651526614814431165152670165152197 H.O.(Round Port)17215696 RA II (Round Port)165162614 RA IV (Round Port)184162722 RA IV (Round Port)187162Edelbrock (72 &...
Pontiac engines have block codes. This code will tell you the year it was to be used. However, these codes were used over from year to year. Together with the casting code and cating date you can determine where what the engine is. Starting in 1965 Pontiac began using...
