Casting Numbers For Small Block Chevy Heads

Casting Numbers For Small Block Chevy Heads – 461, 462, 186, 291 and 492. On a small block chevrolet, the casting number is found at the rear of the block on the driver's side (as is with chevy's big block engines). On the side of some later blocks the last three digits of. The easiest way to reference any production head is with the last three digits of its casting number.

Chevrolet small block head casting numbers; The camel backs are often confused with the fuelie heads found on. Pontiac/chevy aluminum, 91cc chamber large rectangle port: You may see a 5.0 (305) or 5.7 (350) cast on the rear ledge of a smallblock or a 7.4 on the side of a big block 454.

Casting Numbers For Small Block Chevy Heads

This casting # has been used in many different versions of this aluminum. The casting quality is as good as the best aftermarket iron heads, and its flow capability on a. Small block chevy head casting numbers.

Casting # combustion chamber size (ccs) intake valve exhaust valve production years misc. Journal size journal sizes were increased in 1968. Casting number 12558062 is a vortec head that is available from chevrolet performance.

These heads are easily identified by the last three digits of the casting number: The casting number is usually the best thing to use to tell what a cylinder head was originally used on and its potential for performance use. Chevrolet small block head casting numbers.

Identify small block chevy cylinder heads to determine what type of heads are on your small block chevy, take a look at the illustrations below for ‘early’ or ‘late’. Camaro, corvette even stovebolts can be found here.

Block & Cylinder Head Casting Numbers Where To Find & How To