All VAC cylinder head services are performed on existing customer cores. This requires the customer's core to be supplied to VAC for servicing.
If you do not have a core, then contact our sales team at Sales@VACmotorsports.com to have one sourced.
Our B58 Cylinder Heads are built with our 50+ years of performance and race engine building experience and follow guidelines of the best real world performance without sacrificing reliability.
These engines are built with very cost effective heads from BMW/Toyota... The added cost of turbochargers to the 3 series means that BMW could use a more basic port design for the engine as the turbos do most of the work. Simple castings means they cost them less to build and leave a lot of room for improvements for the enthusiast to reap the benefits! Stage 3 heads have our complete and masterful 100% ported design with our world famous application specific VAC Multi-angle valve job applied. All seals are new and this head is suitable from everything from daily driving to all out track and drag racing.
If you have no core available, a core can be provided. Because this is a new engine, please call or email for price and availability.
Everything above is a Flow-Bench and real world tested design.
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