Supertech Sports Valve Spring Kit
The valve springs from Supertech are made exclusively from extremely high-quality materials and thanks to the latest technology with the highest precision. In th...
RK Autowerks Catless Downpipe:
4 pin design to ensure the hub wont spin, even with heavily modified S55s
Laser scanned to ensure perfect fitment – direct replacement for stock
Designed and machin...
VAC Motorsports High Performance Coated Rod Bearing Kit:
The mighty and powerful BMW S55 has an "Achilles Heel", it's rod bearings. As great and powerful as BMW made the S55 engine, they left it ...
Carrillo connecting rods are well known within pro racing and street performance circles for good reason; they produce a premium product that winning racers around the world depend on.
Quality and...
Working closely with CP, these pistons meet VAC's most stringent expectations and are the finest available, anywhere. Others agree; you can find these same pistons in most of the world's most pow...
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, please contact our team a...
ARP Head Stud Kit was put together by VAC and ARP’s finest engineers. This is a completely custom kit designed specifically for the almighty S55.
Available in ARP2000 and Custom Age 625+ (Call t...
The MMX Performance BMW Billet Coolant Expansion Cap is a precision-engineered replacement designed to upgrade both the reliability and appearance of your BMW’s cooling system. Developed as a true ...
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