new shp dart block all new parts Mahle flat top power pack pistons& rings New scat scr6a7 I beam rods 7/16 bolts .new 4130 steel crank .with coated dur bond cam bearings .king rods & mains .can be long blocked with New dart 215 Alum Platinum heads 72cc chambers Pm me on price to sell customer lost his job this is a 4.125 bore and 3.750 the SHP block can use gm hyd rollers /cam new front cover his block can be bored past 4.155
