Description
PullenSpec Engines Exchange Rectangle port cylinder heads. Heads Sold as Pair.
Our Exchange CNC heads are supplied complete ready to bolt on and are in stock to save wait times getting you’re engine back together. You send your heads to us they’re inspected to ensure they’re a usable core and the exchange CNC Heads are sent out the same day.
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
We also have an option to upgrade to Ferrea valves
Naturally Aspirated come standard with 68cc Chamber
Forced Induction come standard with 72cc Chamber
