This page brings together the eleven parts currently available for the Audi R8 V8 4.2 FSI 32V 420hp, BYH engine. It is the only one of the two V8 pages to carry ZRP forged connecting rods, I-beam…This page brings together the eleven parts currently available for the Audi R8 V8 4.2 FSI 32V 420hp, BYH engine. It is the only one of the two V8 pages to carry ZRP forged connecting rods, I-beam with L19 bolts. The rest covers the cylinder head and the rotating assembly: SUPERTECH stainless steel inlet valves and SUPERTECH Inconel exhaust valves, valve springs, guides, stem seals and 6mm collets for the 32 valves, KING RACING pMaxKote coated big end bearings, KING RACING untreated main bearings and DIAMOND forged pistons in 84.5mm at 12.5:1.