4G64 block/4G63 head 2.50L - Includes 4340 billet crank (7 bolt), 102mm stroke, ProH625+ rods (6.141 c-to-c), and custom pistons (choice of bore/compression). ACL Race bearings available separately.
| Crank # |
BC5109 - 102mm |
| Rod # |
BC6110 - 6.141" |
| Piston # |
BC7110 - Custom |
