Brian Crower Polaris Pro R (21-up) LW Stroker Kit 78mm w/BC ProH2K Rods BC0989

Polaris Pro R - Includes 4340 billet crank, now featuring induction hardened timing chain gear, 78mm stroke, BC ProH2K rods (4.915" c-to-c), custom CP pistons (choice of bore/compression).

93mm bore = 2.13L, 94mm = 2.165L, 96mm = 2.26L