Benefits of rocker arm swap?

[kerrige]

Nothing gives 20/hp gains except maybe nitrous and that can lead to a severe loss.

Tune is $300 and gives average 20 hp that is $15/hp. Long tube headers from Calspeed also $300 about 15hp also $20/hp. Cam swap $750 about 75hp $10/hp.
Yep your our right.