Home > Performance Engine Parts > Valve & Spring Kits > GX270, GX390, 420cc, & 460cc
Sort By:
Page of 1
Valve & Spring Package, Stainless Steel - GX270 Valve & Spring Package, Stainless Steel - GX390 Valve & Spring Package, Stainless Steel - GX420
Studz Valve And Spring Pack Includes :
  • 32mm SS Lightweight Intake
  • 28mm SS Exhaust Valve,
  • Choice of Single or Dual Springs
  • Billet Aluminum Retainers
  • Split Keepers
  • Lash Caps
Use single springs for up to 6500 rpm & 306 TQ cam. Use Dual for 306 RM and larger cams
Dual Springs and/or Titanium retainers slightly higher. See shopping cart for price.
Note: 32mm Valves may actually measure between 31.5mm and 32mm depending on availability.
 		Studz Valve And Spring Package Includes:

  • 36mm SS Lightweight Intake
  • 32mm SS Exhaust Valve,
  • Choice of Single or Dual Springs
  • Choice of Aluminum or Titanium Retainers
  • Split Keepers
  • Lash Caps
Use single springs for up to 6500 rpm & 306 TQ cam. Use Dual for 306 RM and larger cams
Dual Springs and/or Titanium retainers slightly higher. See shopping cart for price.
Note: 32mm Valves may actually measure between 31.5mm and 32mm depending on availability.
 		Studz Valve And Spring Package Includes:

  • 38mm SS Lightweight Intake
  • 34mm SS Exhaust Valve,
  • Choice of Single or Dual Springs
  • Choice of Aluminum or Titanium Retainers
  • Split Keepers
  • Lash Caps
Use single springs for up to 6500 rpm & 306 TQ cam. Use Dual for 306 RM and larger cams
Dual Springs and/or Titanium retainers slightly higher. See shopping cart for price.