Ive had consistently good results from them and would recommend them with no reservations, based on my experience
http://www.midwestmotorsportsinc.com/index.php
BRODIX
http://www.brodix.com/heads/heads.html
ERSON
http://www.pbm-erson.com/store.php?catId=327
CROWER'
http://www.crower.com/
KINSLER
http://www.kinsler.com/page--Home-Page--13.html
HERBERT
http://www.dougherbert.com/
DART
http://www.dartheads.com/products/engin ... big-blocks
http://www.cantonracingproducts.com/cgi ... ey=15-240M
http://www.milodon.com/oil-pans/road-race-oil-pans.asp
http://www.stefs.com/products.html
http://www.midwestmotorsportsinc.com/or ... R&line=WYS
http://www.hamburgersperformance.com/mycars/default.asp
http://www.moroso.com/catalog/categoryd ... code=11929
above are some other companies Ive had nothing but good results from
http://www.midwestmotorsportsinc.com/index.php
BRODIX
http://www.brodix.com/heads/heads.html
ERSON
http://www.pbm-erson.com/store.php?catId=327
CROWER'
http://www.crower.com/
KINSLER
http://www.kinsler.com/page--Home-Page--13.html
HERBERT
http://www.dougherbert.com/
DART
http://www.dartheads.com/products/engin ... big-blocks
http://www.cantonracingproducts.com/cgi ... ey=15-240M
http://www.milodon.com/oil-pans/road-race-oil-pans.asp
http://www.stefs.com/products.html
http://www.midwestmotorsportsinc.com/or ... R&line=WYS
http://www.hamburgersperformance.com/mycars/default.asp
http://www.moroso.com/catalog/categoryd ... code=11929
above are some other companies Ive had nothing but good results from