APR Performance Valve Springs

PRODUCT DESCRIPTION  APR is pleased to present the APR Valve Spring System. The 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 than the high performance OEM Golf R setup and is proven to eliminate the OEM valve train’s weakest link.  We call it Performance Without Compromise! KEY POINTS: Increase valve train control 71% weight reduction over OEM Golf R retainers 19% weight reduction over OEM Golf R springs 20% stiffness increase over OEM Golf R springs Eradicates TSI K04 “valve float” issues Supports higher revving applications Weight saving beehive spring design ASTM A877A OTSC round w