M20 Race 885 Cylinder Head

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:

• Cleaning
• Pressure testing
• Resurfacing
• Extensive porting & polishing by hand
• Combustion chamber polishing by hand
• New Supertech valves
• New Supertech valve guides
• New performance valve seals
• New camshaft o-ring & seal
• New performance dual valve springs
• New forged steel rocker arms
• New rocker arm hardware
• New rocker arm eccentrics
• New intake manifold studs
• New thermostat housing studs
• New exhaust manifold studs
• New valve cover studs

Our cylinder heads are built to order. There are no cancellations allowed on cylinder head orders. Please expect a minimum production time of 9 to 10 weeks.

Price INCLUDES a refundable $700 core charge.
Once you've received your fresh BimmerHeads cylinder head please re-use our packaging to return your core OE BMW 885 cylinder head (with camshaft) back to us. Your core head and camshaft will be put through our inspection and testing processes and if they pass, and are deemed good usable cores, a complete cylinder head core charge refund of $700 will be issued. If the camshaft is unusable, or some other repairable damage is found, we may offer a reduced core charge refund. Core head return shipping charges are paid by the customer.