I decided to go with a different head so my loss is your gain, these are brand new never installed, still in the patriot box.


New OEM GM castings
72cc Chambers
5 Axis CNC Ported
Patriot Gold .650" Dual Springs
21-4N Stainless Valves
Bronze Guides
Titanium Retainers
5 Angle Valve Job
No Exchange
Stage II 1020 Superflow Bench 3.905 Bore

Lift
2.02" Intake Valve
1.57" Exhaust Valve

.100
70 cfm
66 c fm

.200
138 cfm
122 cfm

.300
200 cfm
162 cfm

.400
241 cfm
203 cfm

.500
277 cfm
227 cfm

.550
289 cfm
229 cfm

.600
304 cfm
235 cfm

1200.00 B.O free shipping

 

evening bump

 

bump ttt

 

I have stock heads on my car... what kind of gains do you think I would receive ?

 

These are LS1 heads

 

sorry these wont work on your motor

 

bump ttt