Ferrea valve springs??
#2
TECH Addict
iTrader: (15)
Originally Posted by 1BADAIR
The heads I am buying have Ferrea Dual Valve Springs good to .670 Max Lift. Has anyone used these. Will they be enough for my 244 248 .600 .600 114 cam?? Also,who sells the modified stock rocker arms??
#3
i have heard nothing but good tings . i have the s10075 and they are good. i have boke them 2 times but in defence it was because of a wrong preload adjusted on my adjustible rocker arms. this time i installed my rocker arms so it should be fine .