440 Aluminum Cylinder Head Build
 

Recommended Cylinder Head Build Kit or separates for SS Valves (2.14" & 1.81" x 5.0" x 11/32), Springs, Keepers & locks
for new 440 aluminum Speedmaster heads
thanks

K-Motion

These are the cheap no-name aluminum cylinder heads usually everywhere online going for a $150 to $200, from bare castings to assembled from places like CA

You mean "Off Shore" We dont do any of that casting here in California ... Althow it may ship from here...

If you can’t afford to buy good heads refresh your stock heads with the 214/181 valves and clean up the ports under the valves and a port match. There’s plenty of information on YouTube and should give you an idea of what to do. Just don’t go crazy and cut until you’re in the water jacket. lol
Ive got a pair of iron heads on 440s that have been on the dyno, it’s fairly easy to build 500 to 650 hp from a 440 with the iron heads. I would look for the 906 or 452 for open chamber and only 915 for closed chamber heads. You’re going to spend a few bucks on parts and you should shave the heads until you get the chambers down to 80cc for open chamber and 70cc for the closed chamber. I’ve gone this route on engines.