swinger340
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Fresh from machine shop. Were blasted, magged, milled .010 to assure straight. All new stainless 2.08/1.74 backcut valves, new comp double springs 130# seat pressure good for .550 lift. new bronze guides, all springs shimmed to proper installation height, all valve tips leveled. No port work, just gasket matched. had these done for a 440 I was building. Over $500 in work. $350 owns them. Bolt and go...... Should support 500 HP. or for $500 get the fresh .030 over 440 block, resized rods w/ ARP bolts, and the std/std polished crank. Have over $1000 invested in the works















