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Category : C- Modern Hemi (Gen 3) : Cylinder Heads : Performance CNC

HUG 4608

STAGE 2 FULL CNC HEMI W/NEW PARTS

$1640.60

Price does not include heads.

Heads you win! Send us a pair of your 5.7 or 6.1 Modern Hemi Heads and let us work our magic on them. This part number includes the following operations performed on your heads.

  • Disassembly and Normal Cleaning
  • Max-effort Race C.N.C. Porting work
  • Hughes Racing Valve Job
  • Blending
  • Mill Level
  • New One Piece Stainless 2.000" Intake Valves 5.7
  • New One Piece Stainless 1.550" Exhaust Valves 5.7
  • New Beehive Springs
  • New Valve Stem Locks
  • New Retainers 
  • New Valve Stem Seals
  • Washed & Assembled
  5.7 Hemi Head Flow Chart - 11/13/17
Lift

Stock
Intake

CNC'd Intake Gain

Stock
Exhaust

CNC'd Exhaust Gain
.100 69 70 +1   74  
.200 150 153 +3 112 123 +11
.300 215 228 +13 144 166 +22
.350 239 259 +20 151 185 +34
.400 251 281 +30 160 197 +37
.450 259 294 +35 163 203 +40
.500 261 303 +42 164 215 +51
.550 261 310 +49 164 225 +61
.600 263 318 +55 165 239 +74
.650 264 325 +61 166 245 +79
 

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