Our "Stage 3" cylinder head. The BimmerHeads "Race" M20 cylinder head is for those who are truly power hungry. This version of our 885 head is great for those planning to build high horsepower stroker M20 engines or turbo monsters. This cylinder head comes standard with new Supertech stainless steel black nitride valves with the option to upgrade to +1mm oversized Supertech valves. The Supertech +1mm valves use a stainless steel black nitride intake valve and an inconel exhaust valve. Our Race head comes standard with BimmerHeads performance dual valve springs and heavy duty forged steel rocker arms.
Our Race cylinder head is completely torn down and rebuilt receiving the following:
Extensive porting & polishing by hand
Combustion chamber polishing by hand
New Supertech valves
New valve guides
New valve seals & camshaft seals
New performance dual valve springs
New forged steel rocker arms
New rocker arm hardware & eccentrics
New intake & exhaust studs
Our cylinder heads are built to order. There are no cancellations allowed on cylinder head orders. Please expect a minimum lead time of 8 weeks due to our current workload.
Price INCLUDES a refundable $700 core charge.
Once you have received your BimmerHeads cylinder head please re-use our packaging to send your core 885 cylinder head back to us. Once your core has passed our inspection and testing you will be issued a refund.