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CO54-428-11
100-16-2MBLK
It gives it a very attractive high performance look
650 FWHP on E85 and as much as 2
BOOSTED B5855 1
PSI Dual Valve Spring (16) 1.625" OD & 1.130" Coil Bind ISK1224 Spring Hangers CO54-428-11PSI Dual Valve Spring (16) 1. 625" OD & 1. 130" Coil Bind275LBS @ 2. 000" Seat Pressure, 750LBS @ 1. 200" Open Pressure ISK1224 K1224 You can trust PSI valve springs to out perform all others as they are made from the finest materials, the best CNC equipment and state of the art trade secret processing they also utilise special heat treating and additional "Special Processing" for minimal load loss.
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