APR VALVE SPRINGS/SEATS/RETAINERS - SET OF 16

  • Sale
  • Regular price $617.95


PRODUCT DESCRIPTION 

Features:

  • 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 application
  • Weight saving beehive spring design
  • ASTM A877A OTSC round wire steel springs
  • 6AL4V American titanium retainers
  • 4140 heat-treated chrome molly steel spring seats with black oxide coating
  • 29 grams per spring
  • 2 grams per retainer
  • Compatible with OEM valves
  • Spring seats included to protects against aluminum erosion in the head
  • Brand: APR 
  • Part # MS100085