Porsche 912 Registry
http://www.912registry.org/

Porsche Club of America, Inc.
http://www.pca.org/

Porsche
http://www.porsche.com/

Porsche USA
http://www.porsche.com/usa/

Champion Motors Racing Team
http://www.championracing.net/

Gunnar Racing
http://www.gunnarracing.com/

Pelican Parts
http://www.pelicanparts.com/

Rennlist
http://www.rennlist.org/

Automotion — lots of good information here
http://www.automotion.com/

Desert Hybrids — 914 Chevy V-8 engine conversions
http://www.deserthybrids.com/

Gemballa
http://www.gemballa.com/

Griffith's — steering boxes
http://www.griffiths.com/porsche/

Oklahoma Foreign
http://www.oklahomaforeign.com/

PAP
http://www.pap-parts.com/

Pelican Parts
http://www.pelicanparts.com/

Renegade Hybrids — Chevy V-8 engine conversions
http://www.renegadehybrids.com/

SmartCamber Products
http://www.smartcamber.com/

World Upholstery & Trim
http://www.worlduph.com/