Check for best offer Edelbrock 60559 Performer RPM Cylinder Head. They are designed for street and high-performance vehicles, operating from 2,500-7,000 RPM 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 The stainless steel, hardened
Edelbrock 60559 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 For use on high performance street big block V8 118cc chambers, 315/300cc intake ports (long/short) ...
Learn more »Edelbrock 60559 Review: Edelbrock 60559 Performer RPM Cylinder Head. 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. 1 ... Read more »
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