Supertech titanium retainer for Audi 5-valve intake spring SPR-A2051 supplied in a 12-piece configuration per the source. Intended to mate with the A2051 intake spring, this set supports lighter valve train mass and consistent spring seating across multiple valves, providing an OEM-replacement-style option for five-valve Audi intake systems when the specified springs are used.
Supertech Titanium Retainer for Audi 5V Intake Spring SPR-A2051 (12)