Features:

• 40 - 60 Horsepower Increase.
• Fully CNC ported and hand smoothed.
• Wire EDM performed to ensure maximum reliablity and wall thickness.
• Flow benched for optimal performance.

Includes:

• ETS 5 Axis CNC Ported Heads
• Head Modification for high boost applications.
• Serdi Valve Job (The best valve job possible)
• Ferrea +1mm Intake and exhaust valves
• Ferrea Dual Valve Springs
• Ferrea Titanium Retainers
• Ferrea Valve Locks
• High-Temp Valve Seals
• Valve Guide Seals