• Free Shipping Over $75

  • Payment Installments Available

  • BMW Expert Advice Via Chat

  • Int'l Shipping Available

GSC B58/S58 Manganese Bronze Exhaust Valve Guides

Regular price $79.99


FEATURED IN OUR 1XXX WHP B58 ENGINE BUILD

GSC Power-Division Exhaust Valve Guide for Toyota/BMW B58B30 And BMW S58

Standard sized sold as set of 12 or individually

Oversized sold individually as +0.001" and +0.003" 

    • Part Number
       GSC3131.001-1

GSC Power-Division Exhaust Valve Guide for Toyota/BMW B58B30 And BMW S58

  • Standard sized sold as set of 12 or individually
  • Oversized sold individually as +0.001" and +0.003"
GSC3131
Standard (in/mm)
Total Length
1.693 / 43
Outer Diameter
0.3948 / 10.03
Valve Stem Diameter
6mm
Stopper Protrusion
0.650 / 16.5


  • Can be used with OEM Hat Style Seal or with a metal clad seal if a different spring seat is needed
  • Stopper design to aid in quick install and to prevent valve guide dropping