Chevrolet Performance LS3 CNC-Ported Cylinder Heads w/BTR Spring Kit (Assembled)

$1,699.00

Chevrolet Performance LS3 CNC’d Cylinder Heads 88958758 with BTR Spring Kit

  • CNC-ported version of the LS3 cylinder head
  • Flows about 10 percent more than the production head
  • More than 350 cfm (intake side) at .600″ lift
  • 276-cc intake runners and 92-cc exhaust ports
  • Fits all LS engines with 4.000″ bore or larger
  • 2.165″ hollow-stem intake and 1.590″ solid-stem exhaust valves.
  • D-shaped exhaust ports

Price Is For 2 Cylinder Heads

Cylinder Heads Come Assembeled with a BTR .660″ Lift Platinum Spring Kit with Titanium Retainers

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