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Emissions
- California EO Approved (2)
Intake Runner Volume (cc)
- 260cc (3) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
- 245cc (1) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.
Cylinder Head Style
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Camshaft Style
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Exhaust Port Shape
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Spark Plug Style
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Intake Valves Included
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- Yes (2)
Exhaust Valves Included
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- Yes (2)
Valve Springs Included
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- Yes (2)
Maximum Valve Lift (in.)
- 0.650 in. (2) The options in this area are not available since you have already selected choices in the area. Use the "Get Results" button for your current choices.

AFR 260cc LS3 Mongoose Cylinder Heads

5.0 out of 5 stars 5 Customer Reviews

AFR 260cc LS3 Mongoose cylinder heads are 100 percent 5-axis, CNC-ported, and feature titanium retainers, A356 aluminum castings, and Pac Racing springs. These CARB

AFR 260cc LS3 Mongoose cylinder heads are 100 percent 5-axis, CNC-ported, and feature titanium retainers, A356 aluminum castings, and Pac Racing springs. These CARB certified heads require 4.000 in. or larger bore applications on up through 454 cu. in. engines operating at or below 7,000 rpm—and flow over 380 cfm at 0.700 in. lift and are designed primarily for street and strip applications. Other structural features include Air Flow Research's trademark 3/4 in. thick head deck, reinforced rocker stud bosses, and thick wall runners provide unparalleled durability. Use of AFR stud girdles and full roller rocker arms a