Cosworth Big Valve Cylinder Head Mini Cooper & Cooper S 1.6L 01-06 description
Cosworth Big Valve Cylinder Head Mini Cooper & Cooper S 1.6L 01-06
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.
Includes
CNC Ported - New Castings
Hand blended finish work
Intake – 14.63% (average) 22% (max) increased flow
Exhaust – 30.56%(average) 41% (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
Picture is for representation only. Actual product may vary.
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