Crankshaft Racing Nk105.19CrankshaftHigh quality crankshaft from Naraku Made in Taiwan Produced according to the OEM guidelines of Japanese vehicle manufacturers for perfect repairs and durability This heavy cheeked racing crank increases the pre compression in the cases for improved filling. The extra inertia improves performance and the performance moves to the upper rev range. As opposed to the HPC crank with plastic inserts, this full metal version should only be used