We at PartShippers.com are excited to be able to offer the g35driver community this exceptional offer on these amazing performance cylinder heads from Cosworth!

We have them on sale for only $3999.00!



Cosworth CNC ported cylinder heads feature dyno tested and flow bench proven ports, engineered for maximum usable power. Each new cylinder head is ported on a 5 axis machine to ensure consistency and perfect port shape every time. Additionally, larger intake (+1mm) and exhaust valves (+1mm) are utilized to help increase flow. Cosworth CNC ported Big Valve cylinder heads come complete with a performance valve job, hi rev (max 10,500rpm) valve springs with titanium retainers and are ready to install. Perfect for high performance applications and designed for excellent torque and turbo response.

• CNC Ported/Machine finished port- New Castings
• Hand blended finish work
• Intake –19% (max) increased flow
• Exhaust – 22% (max) increased flow
• 4-angle Inlet Valve job
• 3-angle & radius Exhaust Valve job
• Valves are lapped
• Back-Cut Inlet Valves
• Heads are Ultra Sonic cleaned prior to assembly
• Heads are Serialized and sport a machined Cosworth logo
• +1mm Stainless Steel Intake Valves (1800 degrees max.)
• +1mm Inconel Exhaust Valves (2400 degrees max.)
• Performance Valve Springs
• Titanium Retainers
• Hardened Steel Spring Platforms
• Knife edged port divider
• Combustion chamber volume 58.5cc’s (OE approx 56 cc’s)

Link to item in our online catalog:
http://www.partshippers.com/index.ph...roducts_id=992

In stock and ready to ship!
Thanks all for your support and interest.