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Assembling a bit of a mismatch combo of parts looking to max it with what we have help on cam install for best result , combo is 440 sbc 4.185 Mahle flat top 12.4comp 4" stroke Pro Topline 220 with some port work 2.08 1.6 valve springs hit 240lb install and about 700lb at the .700 lift , using a 12-864-9 comp roller 265/274 108sep 432 421 lobes using 1.7 and 1.65 comp ultra rockers lands me about 710 and 690 valve lift , Holley 300-25 strip dom intake port match 1206 , have a 950 ultra hp pump gas .
 
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