AFR Cylinder Head 24 BBC 315cc Fully CNC ported 121cc chambers w/ valve 3150
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Notes: Cylinder Head 24 BBC 315cc Fully CNC ported 121cc chambers w/ valve job No Parts ready for assembly Pair
Bare Heads, No Parts Don't let size fool you--AFE Magnum fully CNC-ported 315cc aluminum cylinder heads will provide you with flow numbers that most medium sized heads, and some larger, can only dream about. This line was designed to optimize low and mid-lift airflow, while still generating impressive peak figures. Their application should be focused on smaller cubic inch Chevy big blocks (396-502) with a primary operating range of 2,500-6,800 rpm (this range is an average and will vary with engine displacement as well as component selection). AFR 315cc Magnum BBC heads should also be given strong consideration in larger street-driven or marine applications up to 555 c.i.d., where low-rpm power and drivability are factors. These 315 heads are extremely versatile with its incredibly strong low and mid-lift airflow figures, as well as peak numbers approaching the 400 cfm mark. These cylinder heads would be a great choice if you're looking for big torque and strong low-rpm performance and still have good rpm capabilities. They come standard with AFR's trademark 3/4 thick head deck, reinforced rocker stud bosses, and premium one-piece stainless steel 2.250 intake valves and 1.880 exhaust valves. Standard combustion chamber volume with AFR's fully CNC-ported 315cc version comes with a 121cc chamber.