IN STOCK AND READY TO SHIP!
Turn your RB26/RB25 to a 2.9L- Includes 4340 billet crank, 79mm stroke, ProH2K (formerly Sportsman) rods (4.783" c-to-c), and custom pistons (choice of bore/compression). ACL Race bearings available separately.
| Crank # | BC5239 - 79mm |
| Rod # | BC6239 - 4.783" |
| Piston # | BC7239 - 10:1 |