hi guys
what is the code on a 72 camaro smog pump diverter valve? and is it a decal or an ink stamp?



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69 Camaro RS/SS 350.
GM 2.02 angle plug heads.
223 dur/480 lift hyd cam.
69 z/28 alum high rise.
69 z/28 780 vac sec holly carb.
4 bolt mains,steel crank,forged flat top pistons.
Turbo 350 2800 stall with shift kit.
3:73 12 bolt posi.
functional cowl induction & ZL2 hood