Ferrea Audi 2017+ RS3/TTRS DAZA 2.5 TFSI Single Valve Spring Kit

Ferrea Racing single valve spring kit for Audi 2.5 TFSI 2017+

Ferrea springs are heat-treated and stress relieved, which dramatically increases the spring’s life. Our valve springs provide the stability needed for high lift, high rpm racing engines, while minimizing the load loss for today’s aggressive valvetrain combinations.

Ferrea takes great pride in offering premium quality Spring Seat Locators. Fully CNC machining in-house from 4140 chromoly alloy for different applications. Each piece is crafted to exact tolerances OD & ID specs and insure flat, parallel spring pad to the bottom surface. Heat treatment consists of a hard Nitrided surface for unmatched toughness and anti-wear characteristics.

Kit includes the following:

– Single Springs #S10170 (20)

– Titanium Retainers #E12035 (20)

– Seat Locators (IN) #SL1162 (10)

– Seat Locators (EX) #SL1163 (10)