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Cosworth 4G63 2.2L stroker engine combines the perfect bore to stroke ratio, yielding potentially big gains in torque while still allowing the engine to rotate and produce power higher rpm's. This is the perfect foundation for your big power engine build. Combine with one of our CNC ported Big Valve Cylinder Heads and Camshaft sets for maximum reliable power.
Each Cosworth 2.2L short block features:
* Cosworth Forged Pistons(86mm)
* Cosworth Forged H Beam Connecting Rods
* Cosworth Billet Crankshaft (94mm)
* Cosworth High performance Rod and Main Bearings
* Cosworth High Performance Main Bearing studs
* New Mitsubishi 4G63 Block.
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 the technical document on the left.
# 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
# Reshaped combustion chambe
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