15D

Cosworth CNC ported cylinder heads feature dyno tested and flow bench proven ports,
engineered for maximum real world 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 big turbo applications. A flow chart for the modified head is available
by downloading http://www.cosworth.com/uploads/1143831225.pdf . Combine with Cosworth
Camshafts for EVO IX for maximum relaible power.
Specification
* CNC Ported/machine finished port - New OE Castings
* Hand blended finish work
* Intake – 26% Increased Flow (max)
* Exhaust – 18% Increased Flow (max)
* 4-angle Inlet Valve job
* 3-angle & radiused 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

Brand new, still in the shipping packaging and also a pair of Cossy M2 Evo IX (MIVEC) cams.

Best offer over 2k

evo mad

Do you still have the head