Pontiac RAIII and RAIV port shape?

[atomicjoe23]

Are the RAIII and RAIV heads round port or D-port? Thanks for the info.

[lil427z]

round.
rick k

[67bird]

RAIII are d-ports. RAIV are round. RAV are round and extremely big.

[Roger Poirier]

RAIII are d-ports. RAIV are round. RAV are round and extremely big.

This guys got it right! :thumbsup:

If you own a complete set of Ram Air IV heads they are worth 2,000 - 3,000g's.
If not the better deal is Edelbrock alum. heads anyways.

R.P.

[67bird]

Another option is replacement d-ports from KRE. Also, there is a new player in Roland racing. They are coming out with a canted valve version that is similiar to a yates-ford design. check out at:
www.rolandracing.com