GT heads feature a reduced size lash adjuster allowing for a raised intake port, creating a more direct intake path
These heads are the final revision of the 2000 Cobra R heads
The most durable highest flowing modular engine cylinders heads available
Bare head used on M-6007-R50 Grand Am cup race engine
Fully loaded assembly
37mm intake valves, 32mm exhaust valves
Intake valve lift: 11.2mm, exhaust valve lift: 11.5mm