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 SB2.2 RACE CYLINDER HEADS

12480011

SEMI-FINISHED SB2.2 ALUMINUM CYLINDER HEAD 

  • Aluminum head
  • Bare head, no seats or guides installed
  • Standard .500" guide holes
  • “As cast” peanut ports
  • 48-cc “as-cast” combustion chamber

12480129

SEMI-FINISHED SB2.2 ALUMINUM CYLINDER HEAD

  • Aluminum professional stock car-accepted head
  • Bare head, no seats or guides
  • .375" diameter guide holes
  • ”As-cast” peanut ports
  • 48-cc “as-cast” combustion chamber

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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.