These were all miles driven by me in my 95 Z28....nothing but full synthetic and no track runs, dyno, etc. All parts were working fine when removed and no problems that I know of.

stock lifters (130K)
update: listed on ebay - http://cgi.ebay.com/ebaymotors/ws/eB...m=290114343548

stock rocker arms (130K)
update: listed on ebay - http://cgi.ebay.com/ebaymotors/ws/eB...m=290114344867

stock pushrods (130K)
update: listed on ebay - http://cgi.ebay.com/ebaymotors/ws/eB...m=290114345607

stock MAF (ready to port)
update: listed on ebay - http://cgi.ebay.com/ebaymotors/ws/eB...m=290114346892

stock 48mm TB throttle body (ready to port...no IAC or TPS):
update: listed on ebay - http://cgi.ebay.com/ebaymotors/ws/eB...m=290114303575