Patriot Performance Stage III Lq9 heads. These have been installed on a motor with ARP heads studs and torqued down, but never been run. The motor was never fired. So they are new heads! Patriot part # 2019. The black marks you see is the silicone left over from removing the gaskets, rubs right off.

Combustion Chamber: 72cc
Intake Runner: 227cc
Exhaust Runner: 70cc
Intake Valve: 2.08"
Exhaust Valve: 1.60"
Max. Valve Spring Lift: 0.650"
Spring Pressure Closed: 135 lbs. @ 1.800"
Spring Pressure Open: 375 lbs. @ 1.090"
Retainer Material: Titanium
Valve Seal Material: Viton
Valve Guide Material: Manganese Bronze
Valve Job: 5-angle


1125$ Shipped


ARP 6-Point head studs for ls1 motors with the four shorter studs in the corners. These have been installed and torqued, but again never run. ARP Part # 234-4110 . SOLD

 

Ttt...

 

hey can i try these out on my truck for 30 days then if i like them ill buy em ?

 

Sure with a 1150$ non refundable deposit

 

I sure as hell hope you were not serious about that...

 

aint gonna do u no good, those 243 heads u have put out more compression than the patriots. if u were boosted id say buy them

 

Can you post up some close up pics of the chambers, intake, exhaust ports?? Thanks

 

Sure, here ya go

 

I am guessin the head studs will work on any ls motor? Need some for my 06 lq4

 

Wish I had the dough to snag them heads. Anybody want to buy a kidney? Curious what kind of C/R these would give on a stock lq4. Arent the #317 heads 74cc stock?