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Super Team

5.0” Bore Center Cylinder Heads

AJPE Stage 1 & 3 5.00" Bore Center Cylinder Head


AJPE’s 5.00" Symmetrical Port, Wedge Design Cylinder head,

Fully ported, Cast Aluminum with Water Jackets.


Standard Features Include:  

  • A-356-T6 Alloy Castings.
  • All castings are “hipped” and pressure tested.
  • Heat treated to AJPE specs to reduce cracking common to GM supplied castings.
  • Finished versions are fully CNC machined and ready for assembly.
  • AJPE finished heads require a 4.750 minimum bore diameter.
  • Naturally Aspirated and Nitrous Oxide Versions
  • Iron 11/32 Valve guides with K-Liners
  • Copper Alloy Intake & Exhaust Seats
  • 2.500 thru 2.675 Intake Valve Diameters Available.
  • 1.875 thru 1.950 Exhaust Valve Diameters Available.
  • Stage 1 Intake Valve Angle 13° x 4°
  • Stage 1 Exhaust Valve Angle 5° x 4°
  • Stage 3 Intake Valve Angle 10° x 6°
  • Stage 3 Exhaust Valve Angle 5° x 1°
  • 88 to 100cc Chambers
  • AJPE Designed One Piece Rocker Stands with 24 mounting points.
  • Straight Body Rocker Arm design available in Aluminum or Steel Versions
  • Cubed versions available upon request.
  • All castings are machined for 7/16 steel hat washer inserts and end water fittings.
  • 100% CNC Ported for Accuracy, Performance & Consistency.


All AJPE 5.0" bore center cylinder heads are designed and machined per order. AJPE 5.0" heads are custom built specific to your target engine design.

Contact AJPE for information regarding our private label or proprietary port designs. We have the ability to digitize and replicate your current head design, and modify to your specifications as desired.


(805) 922-1202