	Cosworth Big Valve Cylinder Heads For over 40 years, Cosworth has been the leader in innovative multi valve cylinder head design for both racing and high performance production cars. The Cosworth CNC Ported Big Valve Cylinder head ran...
	Cosworth Billet Crankshafts Increased engine performance often means increased engine speed and load. Original factory crankshafts may not be able to withstand the added stress, resulting in catastrophic failure. Cosworth billet...
	Cosworth Billet Timing Belt Guide The original sheet metal timing belt guide can flex from belt deflection when subjected to extreme rpms causing the timing belt to skip one or more teeth on the crankshaft sprocket. The Cosworth Bille...
	Cosworth Cam Angle Sensor Bracket Used for mounting the cam angle sensor to the front of Non North American Spec STI cylinder heads. Useful for adapting our cylinder heads to Japanese and European market engines....
	Cosworth Crankscraper The Cosworth 4G63 Crankscraper is engineered to reduce parasitic drag on the crankshaft caused by oil accumulation that surrounds the crankshaft during rotation. This oil buildup causes additional dra...
	Cosworth Forged Connecting Rods The connecting rod is the vital link between the piston and power. When engine output is increased, the demands placed on the connecting rod increase as well. To ensure engine reliability in all condi...
	Cosworth Forged Pistons The piston is one of the most important components within the engine. It can be subjected to directional change up to 285 times every second and must withstand acceleration forces of 8500g’s. Cosworth...
	Cosworth High Performance Camshafts Cosworth has been engineering camshafts for nearly 50 years. That coupled with years of innovative multi valve cylinder head design ensures our camshaft designs are the most efficient in providing max...
	Cosworth High Performance Head Gaskets Cosworth High Performance Head Gaskets are engineered to seal in power under the most demanding conditions. Constructed from stainless steel with a folded stopper layer, each application features supe...
	Cosworth High Performance Long Block Assemblies The Cosworth Subaru EJ25 CS600 series is designed for extreme track day use and the demanding performance enthusiast. Each assembly is precision built by one of Cosworth’s skilled craftsmen using the ...
	Cosworth High Performance Short Block Assemblies Cosworth High Performance Engine assemblies are the perfect basis for your high performance application. Each version has gone through countless hours of engineering and evaluation to determine the be...
	Cosworth High Performance Valvetrain - High Performance Valves Large diameter valves are essential for improved air flow. Cosworth high performance intake valves are produced from high quality stainless steel for maximum durability. Exhaust valves are machined fr...
	Cosworth High Performance Valvetrain - High RPM Valve Springs Cosworth High RPM Valve Springs are the result of countless hours of engineering, testing and validation ensuring the best possible spring for high performance applications. Cosworth High RPM Valve Sp...
	Cosworth High Performance Valvetrain - Ultra Race Valve Spring Kits Cosworth Ultra Race Valve Spring Kits are engineered for use in situations that require valve control in extreme conditions. Each kit consists of dual valve springs with matched lightweight titanium r...
	Cosworth High Volume Fuel Rail System The original factory VQ35DE fuel rail arrangement is limited in performance. The Cosworth VQ35 High Volume Fuel System features high volume anodized fuel rails, with o-ringed fittings and is fully con...
	Cosworth High Volume Oil Pan Sustained high rpms or prolonged high speed driving will result in elevated oil temperatures. Additional oil volume along with improved oil control will reduce damaging oil temperatures. The Cosworth ...
	Cosworth Oil Pan Baffle Oil control can be a problem with high performance and high revving Subaru engines. High crankcase pressure along with the horizontal engine platform restricts rapid oil return from the cylinder heads...
	Cosworth Oil Pump High Pressure Oil Pump High performance engines require additional oil pressure because of the increased demand placed upon various components within the engine. The Cosworth High Pressure Subaru E...
	Cosworth Stroker Kits Cosworth stroker kits are the perfect way to add displacement, torque and power to your engine. Each kit includes select matched components from our parts list ensuring reliable performance. *Mitsu...
	Cosworth Twin Plenum Intake Manifold The Cosworth Twin Plenum inlet manifold for the Nissan VQ35DE has been designed to enhance mid range and high rpm power. It features increased plenum volume for improved high rpm power while torque e...
	Cosworth Ultra High Performance Engine Bearings Engine bearings are one of the most vital components within an engine and are often overlooked when considering high performance upgrades. Performance engineered, multi-layer bearings generate less he...
	Cosworth Ultra High Performance Head Studs Essential for high performance engine builds, heavy duty head studs reduce cylinder head movement in high boost or high compression engines optimizing cylinder head to block sealing. Cosworth Ultra Hi...