Cosworth Valve Springs - EVO X

Cosworth High RPM Valve Springs are wound from the world's finest Japanese Kobe steel and feature dual chamfered ends to reduce wear on seats and retainers. Our High performance springs have been engineered with increased seat pressure along with higher lift capability for optimum performance potential and improved valve control. Single spring design allows easy installation with no machining required and is perfect for typical high performance use. Compatible with OE spring retainers.

Specifications:

• Manufactured from the finest Japanese Kobe steel
• Single spring design for easy installation
• Dual chamfered ends
• Increased performance

Free	L1	F1	F1	L2	F2	F2	Max	Coil
height	mm	N	lbs.	mm	N	lbs.	Lift	Bind
41.95	34.1	290	65	22.6	716	160	11.5	21.0

L1=Install Height F1=Force @ L1 L2=Max Lift F2=Force @ Max Lift