S27 TK Crankcase With Seals & Bearings PDF Print $45.00 SKU: TK-2-02 S27 TK Crankcase With Seals & Bearings Notify Me Add to Wishlist Add to Compare Back to: Tiger King engines & parts Description S27 TK Crankcase With Seals & Bearings The crankcase is designed with 4 bearings, so that the engine can run smoothly.