The 399292 / 399294 are the 'part numbers' for the items.
But the items probably comprise more than one individual item.
The actual cast number would be different, with each piece having a 'cast number' which when in a whole unit comprise the 'part number' given on the box or in the catalogs.
__________________
John Wallace - johnta1
Pontiac Power RULES !!!
www.wallaceracing.com
Winner of Top Class at Pontiac Nationals, 2004 Cordova
Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats
KRE's MR-1 - 1st 5 second Pontiac block ever!
W.E.C moment
"Every man has a right to his own opinion, but no man has a right to be wrong in his facts."
"People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates