Cosworth Cylinder Heads

4.399,95 EUR incl. 19 % Tax excl. Shipping costs Shipping time: 2 Weeks Product No.: CTD.NZ.P1041

Cosworth VQ35DE CNC ported cylinder heads for your Nissan 350Z 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 or strong normally aspirated engines. Nissan VQ35 heads are priced for the pair. A flow chart for the head is available by downloading the technical document on the left.
Specifications:

• CNC Ported/machine finished ports - New OE Castings
• Hand blended finish work
• Intake 19% Increased Flow (max)
• Exhaust 22% 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
• Knife Edge port divider
• Combustion chamber volume 58.5cc (OE approx 56 cc)