![Integrated Engineering Valve Spring & Titanium Retainer Kit | B5 S4 · C5 A6 | 2.7L Turbo V6 E71 X6 35i 3.0L Turbo I6 [N54] the restricted location behind A/C](https://cdn.shopify.com/s/files/1/0635/0032/1015/files/IntegratedEngineeringValveSpring_TitaniumRetainerKitB5S4_C5A62.7LTurboV6.png?v=1685391187)
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Ships within 48 hours · Estimated delivery Sep 1 - Sep 6
the restricted location behind A/C condenser
each has an APR logo engraved on the face
much faster and stronger shifts taking time directly off the 0-60 and ¼ mile times making the car more reliable and fun to drive
the car is so quiet that it’s possible to forget your driving an S powered chassis altogether
Hand TIG welded and pressure tested in USA
Integrated Engineering Valve Spring & Titanium Retainer Kit | B5 S4 · C5 A6 | 2.7L Turbo V6 E71 X6 35i 3.0L Turbo I6 [N54] the restricted location behind A/CThis high quality IE valve spring and titanium retainer kit features spring rates optimized to match your vehicle specifications and provide proper valve control preventing valve float in high power and high revving applications. Increasing your engines power output often comes with modifications that require more RPMs to get the most out of it, such as larger turbochargers, tuned intake manifolds, and high output software tunes. Upgrading those
