If you're looking to make some serious power with your 3400, but you're worried about keeping your bottom end together, this is the solution to your problem. These race blocks are built to take the abuse of high boost turbo applications as well as high compression naturally-aspirated applications. Complete with forged pistons , Eagle H-beam rods and ARP rod bolts, ARP head studs. Engines are balanced to allow for smoother operation at higher rpm's. Several different compression ratios are available to suit your application. Pistons are complete with valve reliefs to allow for safe lifts well over .600". More details are coming soon.