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


1150$ 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 .

200$ Shipped