As for altezza's, forget about it, they won't even make it for Sentra's why start with a g20...
for the twin headlights check here
www.needforspeed.co.uk/pimages/9234000.htm
for clear bumper lenses here
www.clearcorners.com
and sidemarkers here
www.infinitipartsusa.com or at your local dealership
good luck
