j par Hear me on this! Your heads (speedmaster) are on sale for 255.00 each. Buy these, and use your valves/springs/retainers/locks from your current heads. 510.00 bucks and it's DONE!
His current heads may have 3/8 valves an the speedmaster use 11/32.
SI sells good valves for decent prices. Those heads need sb chevy +.100 valve length.
