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- Ford 428 FE Low/Medium Riser
- NHRA Stock/Super Stock Legal Cylinder Head
- Port Volume: 170cc/125cc
- Valve Size: 2.09"/1.66"
- 72cc Combustion Chambers
- Bare Head, Sold Individually
Performer RPM Heads are direct bolt-on components for 1961-76 390-427-428 Ford engines. These are an NHRA accepted head for Stock and Super Stock Classes. They feature 72cc combustion chambers, are not port matched or bowl blended, and are designed for stock replacement valves. Rocker shaft stud kit 350-6009 provides better rocker shaft retention and is highly recommended for use with Edelbrock FE heads. It eliminates wearing of the threads and the possibility of bottoming the rocker shaft bolts in the head.Tech Tip: To gain more spark plug clearance, Edelbrock recommends using Champion RC Series plugs such as the RC12YC (P/N 192-49776). They are 0.230' shorter than a conventional spark plug and have a 5/8' hex for easier access.
Since founder Vic Edelbrock Sr. began building performance intake manifolds in 1938, Edelbrock has grown into one of the most trusted names in American high-performance parts, from carburetors and intake manifolds to cylinder heads, crate engines, and EFI systems. JEGS has spent decades supplying Edelbrock components to racers, engine builders, and street enthusiasts, backing this extensive lineup with in-house technical support, fast shipping, and a Price Match Guarantee so you can choose proven Edelbrock parts with confidence.
NHRA legal Performer RPM aluminum cylinder heads for Stock and Super Stock racing classes. These heads are similar to Edelbrock RPM cylinder heads, however the NHRA Legal heads do not have any machining or hand grinding done on the ports & chambers, except for the seat guide bores. Heads feature the NHRA logo on the ends for easy identification. Heads are sold individually. Made In The USA!Items You Need
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