tdogg5.3

iTrader: (6)

DId a search got all the specs and it list the parts numbers here but they don't match? i have about 5 cams and i don't know what they are and forgot what they came out of, here are the markings on them.

1721
S 13
2061

another one

1721
4 05
0283

thanks
tyler

Hell'sChariot

iTrader: (24)

I have been wondering also. I took my stocker out and the only markings on it were "F1" and that was stamp on one end.

tdogg5.3

iTrader: (6)

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2xLS1

iTrader: (25)

The ones marked 1721 are 01+ LS1 cams, also used in 01+ LQ4 and LQ9 Trucks. GM part # 12561721
GM prints the last 4 digits of the part # on stock cams.