This power unit is distinguished from the 4B12 by a different cylinder head with VVL and a single 16-valve camshaft. I liked each individual part of the purchase and shipping system for my previous 4b12 swap. Excellent high quality, from JJSmotorsport. Great company and actually rapid shipping. The 4b12 engine https://martinxsjbr.activoblog.com/29191719/a-simple-key-for-4b12-motor-unveiled