Valve Spring Set – M10


Each Set

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Product Description

OEM: The factory replacement valve springs are good up to factory redline, and are ok for use on the 284 cam. Beyond that, have a look at our heavier-duty spring options.

Single HD: These HD Single Valve springs are perfectly suited for use on a street hot-rod engine running either a 292′ or 284′ camshaft. They are 45% stiffer than stock springs. Many dual valve springs are too stiff for street performance putting more than necessary pressure on the camshaft resulting in accelerated wear.

Race: Nearly all agree that dual valve springs are needed for engines revving over 7000 rpm. We recommend these for all track cars and any M10 using high lift cams like the 304, 306, 316, etc. For installation, you’ll need to either use aftermarket spring retainers (such as our titanium retainers or our chromoly steel units), or perform a very-slight modification to the factory steel retainers due to the smaller I.D. of the inner valve spring. Sold as a complete set, 8 inner and 8 outer. Note: You MUST use late-style M10 valve guides and seals with these springs (the old style stem seals interfere with the inner spring).


Sold in a set of 8 pcs.


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