Valve Spring Kit for Ford GT40 / GT40P Cylinder Head

The COMP Cams GT40 Drop-in Valve Spring Kit is designed to maximize the potential of GT40 and GT40P cylinder heads when using a flat tappet Camshaft. This kit allows up to .570" lift and provides spring rates that can handle significantly more aggressive lobe profiles. It has been developed to make your valvetrain upgrade as easy as possible by combining quality components in a package that does not require any machining! These components will drop right onto stock GT40 and GT40P cylinder heads. The package includes springs, retainers, Metal body Viton valve stem Seals, and eight standard and eight +.050 locks to achieve the correct installed height with factory valves.

• OD DIA. 1:1.486
• ID DIA. 2:1.052
• Seat Load:110
• Open Load:318
• Coil Bind:1.170"
• Rate (LBS/IN):416