This kit will freshen any BBC head needing to be set up for a hyd flat or hyd roller. Valve guide liners must be installed in heads to accept 11/32" stem valves. This greatly reduces the mass on the valvetrain which will give you much increased spring life.

You get:
2.19/1.88 Ferrea 6000 series valves
10 Degree Retainers
10 degree locks
4140 Chrome Moly Studs
Guide plates
1.530" Dual Springs with damper good up to .680 lift

Shipped to the Door $325

While Supplys last.