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Valve & Spring Package, Stainless Steel, 420cc
Valve & Spring Package, Stainless Steel, 420cc
 
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Our Price: $99.90

Stock Status:In Stock

Part #: NRVALVEPACK-420

Select Valve Package

Valve Package*: 		Single Springs with Aluminum Retainers
Dual Springs with Titanium Retainers [+$32]
Dual Springs with Aluminum Retainers [+$3.8]

Qty:
Description -
 
NR Racing Valve and Spring Package for Hemi 420 Predator Engines

Includes:
  • 38mm Stainless Steel Intake Valve
  • 34mm Stainless Steel Exhaust Valve
  • Choice of Single (48lb) or Dual Springs (65lb)
  • Choice of Aluminum or Titanium Retainers
  • Split Keepers
  • Lash Caps

*Note: Use single springs for up to 6500rpm & 306 TQ cam. Use dual springs for 306 RM and larger cams.
Valve package fits 420cc Hemi Predator heads. GX390/Clone, and Non-Hemi Predator heads will require additional machining.

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