NR Racing Valve Train Package for GX390 and 420 Predator OHV - Dual Spring

Includes:

• 36mm Stainless Steel Intake Valve (6.5mm Stem)

• 31mm Stainless Steel Intake Valve (6.5mm Stem)

• 65lb Dual Springs

• Aluminum Retainers

• Split Keepers

• Pair of 1.2 Ratio Billet Steel Roller Tip Rocker Arms

• Lash Caps

• Pair of 6.540" Chrome Moly Pushrods

• Billet Guide Plate
  
  
  *Note: Will not fit Hemi heads.