PSI Valve Spring & Manley Titanium Retainer Set for 09-Current Gen III Hemi 5.7/6.2/6.4L - HHPSPRINGKIT2

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MSRP: $599.00
Usually Ships in 24 Hours
High Horse Performance is Veteran Owned & Operated

Check out the installation guide here: 


In order to run the higher lift VVT 5.7L and 6.4L HEMI camshafts, you will need to upgrade your stock valve springs. This package comes with everything needed to plug-n-play the valve spring upgrade on VVT cylinder heads. Contains: PSI LS1515ML Valve Springs, Manley 23629-16 Retainers and (6.4L required shims) 24 shims in total: 1 Thick Shim & 1 Thin Shim on Intake, 1 Thick Shim on Exhaust (no shims required for 5.7). Installed height is 1.950". 


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  • 5
    International Order

    Posted by Ashley Stephens on Jan 23rd 2022

    Could not recommend the support and advice enough for international customers, quick turn around and packaged extremely well

  • 5

    Posted by Kevin Brown on Jan 4th 2022

    Purchase for my 5.7 hemi. It's by fair the best springs I had use with my build. Will recommend.