50mm / 2.49L - Includes 4340 billet crank, 100mm stroke w/50mm main, ProH2k rods (5.635 c-to-c), and custom pistons (choice of bore/compression). MUST SLEEVE BLOCK - ACL Race bearings available separately (BC4030 - 50mm Main).
| Crank # |
BC5039 - 100mm |
| Rod # |
BC6039 - 5.635" |
| Piston # |
BC7039 - Custom |
