2.63L - Includes 4340 billet crank, 73.7mm stroke, ProH2K (formerly Sportsman) rods (4.783 c-to-c), and custom pistons (choice of bore/compression). ACL Race bearings available separately.
- Crank # - BC5235 - 73.7mm
- Rod # - 4.783"
- Piston # - BC7239 - Custom
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