14-bolt GN-1 Heads:
These are proven 9 second heads!
100% fresh and assembled by Zimmerman racing,
Full race port,
1.9" Titanium intake valves,
1.6" Inconel exhaust valves,
Dual springs,
Beryllium seats,
Crower retainers,
3 angle valve job,
Over $3000.00 in these heads
Asking $2350.00 complete...