TXsilverado

iTrader: (19)

I used to say that lol. Fast na is expensive and nitrous fills get old. One day youll have a forged heads/cam/nitrous 427 and watch a stock 5.3 Drive away from you.

1994Vmax

iTrader: (4)

It's 20 thou larger than the stock valve... you probably won't even notice anything lol. If you look at how these valves ride on the seat and how little material they have.. and after a few miles how knife edged they get... the larger valve wouldn't be a bad idea. Any 4.8 and 5.3 that's a gen iv has those heads anyway and they all come with 2" intake valves......