without a doubt the most feature-laden engine builder friendly cast iron block on ... lines drilled clearanced for 4.000 stroker crankshaft h-beam steel rods integral ... expanded for better cooling standard chevy cam location and cam bearings priority ... stock spacing oem starter fuel pump and engine mounts dual blind tapped head bolt ... solid stock width can be clearanced for strokers crank clearance 4.000 stroke h-beam ... fit 2-bolt blocks with aftermarket cap kits now you have a choice between standard ... steel splayed billet steel rev 2/07 8 engine blocks ...