The Supertech single valve spring kit for Audi V6 24-valve engines delivers a 73 lb seat load with an 85 lb upper rating and is specified around a 37.4mm coil dimension. Built for applications requiring stable valve control across moderate lifts, the kit gives clear spring rate information for matching to cam profiles and valvetrain setups on 24V Audi V6 heads.
Supertech Audi V6 (24V) Single Valve Spring Kit 73lb - 37.4 Ex 85lb - 36 / 24.9 CB / 12.5 Lift Ex 11