I am using the Comp roller rockers with a liner on the shaft side and 440source HD shafts.....So far, 9.68 and no problems. A lot less chance of roller bearings going thru the engine if one fails. Had many 440source rocker bearings fail in our application over the years. 4 last year alone.

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Last edited by Dragula; 05/22/19 11:56 AM.

'70 Cuda,...605 EFI Hemi Street Car (6.20 best pass, 1.33 60ft)
https://www.youtube.com/watch?v=WYw6RA-k5Bk (6.25 at 108.75mph from inside car)
https://www.youtube.com/watch?v=3zQEb9uxFng (6.25 at 108mph from outside car)
https://www.youtube.com/watch?v=JCvfzsC4NgM (9.9)

'66 Barracuda AWB Stretched nose Blown 440 Car in build stage

'71 Duster Drag Car 400 Low Deck 512 best 6.002 at 115.44mph
https://www.youtube.com/watch?v=Znuo3jMUXTk