Aren't they the same as 243's?
Aren't they the same as 243's?
04 RCSB 5.3, Homemade 80mm FM, TU1, TH400
Yep
2006 SilveradoLittle Black Bitch
thanks Frenchy, ill put them on my wish list then
not worth it, youd have to mill them to at lease .030 keep the stock compression ratio of the 5.3.. yes they do flow alittle better but for a NA setup id find another route, now forced induction yeah it would be worth it.
Simple: 408 on steroids!
single digits coming soon!
Simple: 408 on steroids!
single digits coming soon!
more air in+more fuel in=the powa out