APR Valve Spring Kit | VW · Audi | 2.0L Turbo I4 [FSI] · 2.0L Turbo I4 [TSI] · 2.0L Turbo I4 [GEN 3] · 2.0L Turbo I4 [GEN 4] G11 745e 3.0L Turbo I6 [B58] This creates a perfect high-flow

This creates a perfect high-flow transition from the intake velocity stack directly to the new 80mm throttle body

Upgrading these bushings has a drastic effect on road feel

IE's dual pulley tune includes 91

This shirt features IE's signature stripes printed in our popular "Envy Green" and "Speed Orange" color scheme and our logo located on the left sleeve

-10 AN connectors

APR Valve Spring Kit | VW · Audi | 2.0L Turbo I4 [FSI] · 2.0L Turbo I4 [TSI] · 2.0L Turbo I4 [GEN 3] · 2.0L Turbo I4 [GEN 4] G11 745e 3.0L Turbo I6 [B58] This creates a perfect high-flowThe APR Valve Spring System is a high performance, lightweight upgrade designed to increase valve control and eradicate valve float common on many applications. APR's design specifications called for a valve spring, retainer and spring seat combination that doesn't overpower and snap the OEM valves or erode the aluminum spring seat, while still maintaining exceptional valve control. The result is an advanced design that's 28% lighter yet 20% stiffer