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Racing Head, 420 Hemi Big Valve
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Racing Head, 420 Hemi Big Valve

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$0.00
$299.99
Savings: $0.00
Choose your options:
420 Rocker Arms(optional):
Valve Package(optional):
Select Amount to be Milled(required):
Product Code: HEAD-RACING-420HEMI
Usually Ships in 1 to 2 Business Days
Ready to go Race Head
420 Hemi.
Heads are ported, bead blasted, flowed, & milled. Oversize Stainless Valves. Heads can be fitted with either single or dual springs. Single Springs recommended for 280 and smaller cams. Dual for 306 and larger cams.
Includes:
  • Ported, Polished, & Bead Blasted
  • 40mm Stainless Intake & 34mm Exhaust Valves
  • Aluminum or Titanium Retainers
  • Split Keepers
  • HD single or dual springs
  • Valve Spring Shims
  • 3 angle Valve job
Milled to spec
Rocker arms not included
Heads are typically built to order, Rocker arms not included.
Allow 1 to 3 days to ship
*****WARNING: Valve to piston interference can be an issue with Hemi heads and must be checked. Pistons may require notching.********
Due to Valve size, valve face will extend beyond surface of head if head is milled


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