Valve retainer AUDI RS6 4.2l - DOHC V8 40 VALVE (BCY) - 2002-2004 FA-SL1025

Ferrea prides itself on offering the highest quality spring retainers. Fully CNC machined from Chromoly 4140 alloy for various applications. Each piece is manufactured to exact OD and ID specifications and provides a flat, parallel spring washer to the bottom surface. The heat treatment consists of a hard nitrided surface for unmatched strength and anti-wear properties. Suitable for: AUDI RS6 4.2l - DOHC V8 40 VALVE (BCY) - 2002-2004 References: Inlet valve (24 pieces) Ferrea prides itself on offering the highest quality spring seats. Fully machined on CNC 4140 chromoly alloy for various applications. Each element is made with exact tolerances of the OD and ID specifications and provides a flat, parallel spring washer to the bottom surface. Heat treatment consists of a hard nitrided surface, providing unmatched strength and anti-wear properties. Fits: AUDI RS6 4.2l - DOHC V8 40 VALVE (BCY) - 2002-2004References: Intake valve (24 pcs)