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Top Pick Comp Cams Ford Gt40 / Gt40p Cylinder Head Valve Spring Kit Best Choice [i1QC5NaM]

$41.99 $134.99 -69%

COMP Cams GT40 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 pr

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COMP Cams GT40 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. This kit has been developed to make your valve train 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& GT40P cylinder heads.

What Our Customers Say

December 31, 2025

Absolutely no complaints!

An outstanding gadget. It is very, very, very, very powerful.

- Math W..

December 31, 2025

Absolutely no complaints!

An excellent, and a very, very, very high-quality product.

- Nisien N..

December 31, 2025

Absolutely no complaints!

This is a very nice, and a truly so premium product.

- Gwynfor D..

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