Compatible with select S5, A6, A8, and Q7 vehicles equipped with 4.2L FSI V8 DOHC 40V engines
Includes 8 pistons and matching ring sets with a standard bore size of 84.5mm to support engine compression and performance
Piston pin bore diameter is 20mm, consistent with specifications for DOHC 40V V8 engine configurations
Replaces part numbers 079107065DC and 07910065AD for engine rebuild and maintenance applications
Designed for use in engines with BVJ and CAU identification codes to support when correctly installed
Description
8 piece piston and ring assembly set with standard specifications for use in V8 engines.Designed for cylinder bore diameter of 84.50mm and piston pin wrist diameter of 20mm with pin length of 48mm.Piston outer diameter measures 84.490mm.Ring thicknesses are 1.2mm for the first ring, 1.5mm for the second ring, and 2.0mm for the third ring.Compatible with engine models requiring OE specifications 079107065DC, 079107066DC, 077198151L, 079311327B, and replacement part numbers 079107065AD, 079107066AD.Matches applications for vehicles equipped with 4.2L FSI DOHC 40V V8 engines.Includes eight complete piston and ring assemblies.Suitable for specific model years of vehicles with 4163cc engine displacement and compatible with configurations using 20mm piston pins.