Racing Flag

PARTS INTENDED FOR COMPETITION USE ONLY.
Click for more details.

Racing Flag

PARTS INTENDED FOR COMPETITION USE ONLY.
Click for more details.

SMALL-BLOCK ALUMINUM FAST BURN HEADS

19300955

  • CNC-machined aluminum performance cylinder head
  • Completely assembled with 2.000"/1.550" valves
  • 210-cc intake port, roof raised .240"
  • 78-cc D-shaped exhaust ports, raised .200" – requires Fel-Pro exhaust gasket P/N 1470 (may require minor trimming)
  • 62-cc combustion chamber, .400" deck (can be milled up to .060")
  • No heat riser
  • Angled spark plugs (5/8" hex, 3/4" reach, tapered plugs)
  • 1.48" valve spring seat diameter
  • Use head gaskets with stainless-steel fire rings
  • Raised, machined rocker rails
  • .530" maximum valve lift (without modifications)
  • Screw-in studs (3/8" top, 7/16" bottom)
  • New “time-serts” prevent oil migration through rocker studs
  • Dual bolt patterns for perimeter-bolt and center-bolt valve covers
  • Dual bolt patterns for Vortec and early-model intake manifolds
  • Use bare head P/N 19300956
  • Use intake gasket P/N 19301685

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Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance parts that are emissions-related may not meet U.S., Canadian, and state and provincial laws and regulations relating to motor-vehicle emissions. These parts are designed and intended for use in vehicles operated exclusively for competition: in racing or organized competition on courses separate from public streets or highways. Visit www.chevroletperformance.com/emissions for more details.