4.2L 32v - BNS / BYH / CAUA

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4.2L 32v - BNS / BYH / CAUA

4.2L 32v - BNS / BYH / CAUA 

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4.2L 32v - BNS / BYH / CAUA

This page covers the Audi 4.2-litre 32-valve V8, engine codes BNS, BYH and CAUA, the FSI generation of this block. One reference is active here: a set of ZRP forged connecting rods with an I-beam section, supplied with ARP2000 bolts.

They are designed to take forged pistons and make the bottom end dependable as power goes up. The 40-valve 4.2 V8, codes BCY and BRV, has its own page with a separate connecting rod reference.