Albany Speed Shop / Krazy Kid Kustoms 2004 Jetta Track Car

106mm is a more common size, but a GT55-33(91mm) would be plenty. itll make a solid 1500rwhp

but, a 5.3 with a 76 or even a 71/74 would make a ton of usable power, and be pump gas friendly as well. easy 550rwhp out of it.