does anybody know what motor the 803 heads cam off of?

 

anybody?? this guy is sellin heads and cam he said the heads are 803s but ill i can find are 806s which cam on the 1997-1998 ls1 vettes.. and the cam is a 221/221 lunati he said the cam has the duration numbers on it and a (2870 a) number and i cant find anything on that either... he said its for a ls base motor but cant find anything... thanks

 

http://outintheshop.com/faq/casting/castings2.html

I too only find 806's.

as for the cam I found this for LSX engines.
Lunati 55004
Adv In/Exh Duration 283/283
Duration @ 0.50" 221/221
@.050" In/Exh .558/.558
@Lobe In/Exh .328/.328
Lope Sep Int C/L 114° Sep 110° Int C/L
RPM Range 2500-6000
Hydraulic Roller; Fair idle. Good all out street Performance or mild race cam. Valve train modifications necessary (valve springs).

There should be a grind number on the end of the cam. Can he get all of the numbers off the heads?

 

he said there 806 heads now for the cam thats all the numbers that were on the cam he said. duration number and that 2870 a number idk i guess ill what till tomorrow and call lunati