This engine is supplied with a seasoned 4 bolt main OE block.
The Complete & Dyno'd build level comes fully dressed with timing cover, oil pan, Tri Star polished aluminum valve covers, harmonic balancer, intake, carburetor, distributor, spark plugs and wires. For this build level we test each engine on our own in house dynamometer; you get the dyno sheet from the actual crate engine sold to you. These blocks are machined and assembled to exact tolerances with the highest quality parts.
This part number is ideal if you're looking for a high performance big block complete crate engine on a budget. The 496 stroker HP high performance crate engine includes forged pistons, 4340 rods and HP aluminum heads so you don't have to give up quality to get a big block at an economical price. This engine requires at least a 3000 stall converter if using an automatic transmission.