1to1-650 Engine - 1:1 Tuning Spec Shortblock for FK8 / K20C - 650HP

The 1:1-650 is our entry level K20C1 shortblock. These shortblocks are assembled using the best parts combos, while also getting them assembled and shipped as quickly as possible. Typically, these blocks are purchased by those that have experienced a failure with their stock block and want to get back on the road as soon as possible, while getting an engine that's much stronger than the original. These shortblocks can be assembled using BRAND NEW OEM cores, or you can send your good core in to be used. ALL shortblocks get brand new OEM Crankshafts, so you do not need to send yours in. If you are sending your engine in to be built, it MUST be in usable condition. In the event that it is not usable, we will contact you with some options to get a new block. Please only send an empty block core, no other parts If you need a box and packing materials to send your block in, please contact us after your order is placed. There are a many ways to combine parts and machining to achieve specific