Description
PullenSpec Engines New Outright Rectangle port cylinder heads. Heads Sold as Pair.
Our Brand New CNC heads are supplied complete ready to bolt on and are in stock to save waiting times getting you’re engine Built!
All our Heads Feature PSE performance spring kits with titanium retainers, Keeping the valvetrain light and minimalizing inertia is critical for a stable valvetrain and less load on the lifters. We offer a street spring kit with the base package and also an option to upgrade to an endurance spring kit for engines operating over 7000rpm and all racing applications.
You must supply us with your cam specs, maximum RPM, N/A or power adder and intended use so the spring setup can be tailored to your requirements.
These heads are standard with lightweight stainless Factory LS3 Valves, We also have an option to upgrade to Stainless Ferrea valves, This is recommended with higher cylinder pressures and temperatures found in power adder applications.
Naturally aspirated come standard with 68cc Chamber
Forced induction come standard with 72cc Chamber
