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2.3L 16v - MZR

2.3L 16v - MZR 

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2.3L 16v - MZR
The 2.3L 16v MZR, sold as the Duratec by Ford, is covered here by three forged piston brands. SUPERTECH spans bores from 87.00 to 90.00mm with high compression ratios up to 11.6:1 for naturally aspirated builds, while WISECO and WOSSNER fill in from 87.50 to 89.00mm. ARP head studs, part number 218-4702, are listed by the manufacturer for the MAZDA 3 and 6 MPS 2.3 and secure the head clamping load. On the intake and exhaust side, SUPERTECH INCONEL and black nitrided stainless valves are listed for the Ford Focus and MAZDA 3. Choose the bore, then the compression ratio. ACL Race Series tri-metal crankshaft main bearings (5M8174H) are also listed.