Jesel's New Sportman Series Shaft-Mount Roller Rockers Bring Bulletproof Racing Technology To The Bolt-On Street Car Ranks Shaft-mounted rocker arms are usually reserved for the high-stress ...
If you own a 1968-'93 carbureted or EFI Ford 5.0L and want 17 more horses, here's the ticket for a lazy Saturday afternoon. It's an easy, low-cost modification that really works and does not hurt ...
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