Ls3 821 & 823 CNC Ported square port heads (Pair)
*Heads started as a set of low mileage cores. All Work was completed by a professional. No run time since work was completed*
- GM OEM 821 or 823 Castings
- Walnut blasted finish
- New CNC ported runners
- Stock Chamber CC Size
- Heads are bare no valves or hardware included
**Final valve job and proper decking required to ensure proper assembly**
LEAD TIME WHEN ORDERING 5-7 BUSINESS DAYS
