Manley 11565-8 Manley Race Series Stainless Steel Valves Rocker Arms A failed catalytic converter causes

A failed catalytic converter causes reduced power

mildew-resistant

Part 87106 is configured for its specific application with attention to fitment requirements

the Mastershift delivers the crisp

This aFe Magnum Force Stage 2 air intake system (part 54-11722) is a complete intake upgrade for 2006-2008 A4

Manley 11565-8 Manley Race Series Stainless Steel Valves Rocker Arms A failed catalytic converter causesThe Manley 11565 8 Manley Race Series Stainless Steel Valves are precision machined valves for high performance cylinder heads. Manley Race Master valves have swirl polished stems, undercut heads for improved flow around the valve seat, and hardened tips for durability. Part 28994 is configured for its specific application with attention to fitment requirements. These valves are machined from 21 4N stainless steel or titanium depending on the series.