Buy Edelbrock 60559 Performer RPM Cylinder HeadEdelbrock 60559 Performer RPM Cylinder Head Product Description:
- Specially designed intake and exhaust ports for increased flow and velocity
- For use on high performance street big block V8
- 118cc chambers, 315/300cc intake ports (long/short)
- Intake valve size is 2.19" and exhaust valve is 1.88"
- Operating range 2,500-7,000 RPM
Product Description
The Edelbrock Performer RPM Rectangular Port Aluminum Cylinder Heads have specially designed intake and exhaust ports for increased flow and velocity over standard big-block heads. These heads feature a highly-efficient 118cc open-style combustion chamber for maximum performance. It is engineered with high-velocity 315cc long and 300cc short intake runners. They are designed for street and high-performance vehicles, operating from 2,500-7,000 RPM. The stainless steel, hardened tip 2.19'' intake and 1.88'' exhaust valves have smaller-than-stock 11/32'' valve stems to promote excellent flow and lighter valve weight. The deck surface and water jackets were specially designed to work with all big-block engines. The volume of the intake runner is 315cc and the exhaust runner is 300cc. The heads include top-quality ARP rocker studs, bronze guides and hardened, ductile iron valve seats.
Customer Reviews
Most helpful customer reviews
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By jose vilar junior
This is a great way to give performance to your 454. I had a pair of oval steel stock heads and now with these new heads I will gain 40 kg of weight and maybe 70-100 HP. Big StainStell valves, good chambers, light weight, big ducts, etc.
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