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Profiler Small Block Chevy Symmetrical Port

Profiler Small Block Chevy Air Strike Heads

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Profiler Small Block Chevy Air Strike Heads

Air Strike 12 Degree Small Block Chevy Cylinder Heads

Race Winning Performance out of the box...

The Air Strike Cylinder Head is the latest technology for your SBC. The Air Strike 12° SBC head is for the standard bore spacing and features symmetrical ports, splayed valves and a stable rocker bar platform.

Made from the same Aerospace A356 Alloy and casting technology that the U.S. military relies on, the Air Strike Cylinder Head is on point.

  • 12 Degree Valve Angle
  • 370cc Oval Intake Port
  • 44cc Heart Shaped Combustion Chamber
  • Up to 2.260 Intake & 1.600 Exhaust Valves
  • Accepts up to 1.650 O.D. Springs
  • Made in the U.S.A.


  • Material: Aerospace Specification, A356 Aluminum Alloy (Primary Virgin Ingot)
  • Valve Angle: 12 Degree
  • Intake Port Volume and Shape: 370cc, Oval-Shaped, PRECISION As-Cast (NOTE: smaller port coming soon)
  • Combustion Chamber: Heart-Shaped, As-Cast 44cc
  • Valve Spring Pocket: Maximum of 1.650 (no deeper) Exhaust Valve: 1.600"
  • Intake Valve: 2.230"-2.260"
  • Deck Thickness: 1/2" deck
  • Spark Plugs: Uses Gasketed 3/4" Reach Plugs such as NGK R5671-7 Series
  • Valve Seats: Copper Alloy
  • Valve Guides: Manganese Bronze to assist in extending valve life
  • Milling: .0050 per cc flat milling
  • Engine Size Recommendation:420" & Larger
  • Application: High Performance Drag Racing

Note: This is a racing cylinder head. SOLD INDIVIDUALLY

Water Passages:
Valve Job:

Part #: 29743

Price: $2,150.00
Sale Price: $2,089.00