Shafiroff 421" 13 Deg Bonneville race engine. This 800 hp engine was built with the best of parts, which included over $5000 worth of upgrades and addons to the original $29,000 price. The bore is4. 1.55 with a 3.875 stroke. It has J & E gas ported pistons with Total Seal tool steel rings, Oliver connecting rods, tool steel wrist pin upgrade. Standard deck height block has raised cam and spread pan rails. 13 degree Brodix heads are fully ported and have titanium valves, titanium retainers, New 1300 valve springs. Crank shaft is Callies. It uses .904 Jessel lifters and Jessel belt cam shaft drive. Cometic gaskets. Jessel shaft rocker system. Has valve spring oilers, heavy wall push rods. cam specs 55mm 274/283 and .726 lift. Edelbrock Dominator intake and carb. Includes 5-stage Peterson dry sump pump with remote primer and tank. .Engine includes the MSD dist. but not the steering pump or alternator. Engine makes 600lbft of torque from 5000 to 7100 rpm and 800+ hp from 6900 to 7700 rpm. It has a fairly mild cam for valve spring life at Bonneville
This engine ran only twice at Bonneville and a few times at El Mirage. It has probably about 20 minutes total run time. My last run this year at Bonneville was 228mph on gasoline in a Firebird. Only doing licensing runs because I hadn't run since 2018. This is an excellent shape turn key engine. Give me a call, and let's make a deal!
