Pro-Filer big block chevy 320cc heads 2.300/1.88 severe duty Erson valves
Manley 221424 double valve springs to .800 lift
288 bs@ 1.95 866|bs@ 1.150
Dart adjustable guideplates and arp studs
Ports fit felpro 1275 gasket
Fresh valve job and surface
No welds or repairs
