The Non-VANOS blocks are for installing a Non-VANOS intake cam into the exhaust side of the head for a cheap upgrade over M50 cams

It belongs to the JZ engine family

providing a complete solution to replace the factory connecting rod bearings and bolts with superior aftermarket components

Factory-style metal boot covers with double O-ring seals

B46 Block Sleeving Service 7551 The Non-VANOS blocks are forB46 Engine Block Sleeving Service When it comes to unlocking real performance and long term durability from your BMW B48, the factory spray on iron cylinder coating simply isnt up to the task. Our precision sleeving service replaces those limitations with a robust, high strength solutionturning your engine block into a foundation built for serious power. Why Sleeve Your B46 Block? The OEM coating was never designed for high boost or high horsepower