289 heads

[65stang289]

These worth porting and putting bigger valves in. What cc are they.

 

[Dark Knight]

Casting number would help

 

[ga289stocker]

I have the 54 cc 289 heads on my car now, I looked into getting them worked but for the price (about $700-900 depending on level you want) i spent another $300 and got a set of new 165 AFR's, they will flow better and weight 40 lbs less than the worked heads could come close to...my .02....

 

[madbrad]

I spent money on getting my 289 4V heads reworked and did notice a difference, but i wish i would have just waited and saved my money to buy some aluminum heads.

 

[SoCalCruising]

Good move. But you should have those shaved to 54cc (max recommended on those heads, as I understand) to keep decent compression. You may also look at getting a used 302 rotating assembly (cheap, cheap!) for a nice bump in both compression and performance.