RHS 35025 Pro Elite SBF 20 Deg. CNC-Ported Bare Aluminum Cylinder Head
Bare Cylinder Head Style, Aluminum, Natural, 60cc - 69cc Combustion Chamber Volume Range
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221cc Intake Runners & 62cc Chambers
2.080" +.100" Long Intake Valves & 1.625" +.100" Long Exhaust Valves
Single Aluminum Head
Angled Spark Plugs
Pro Elite Small Block Ford 289-351c.i. Aluminum Heads
Designed with Small Block Ford racing enthusiast in mind, these heads give you all of the benefits of professional CNC porting straight from the factory! However, the CNC porting is done off of a known port, providing more airflow consistency than hand-ported runners. In addition to the CNC-ported intake and exhaust runners, the combustion chambers are also CNC-ported to moderate valve shrouding and maximize airflow efficiency. Prior to porting, the heads are given a multi-angle valve job for up to 5% more airflow right from the start!
Designed for Small Block Ford 289, 302 & 351W drag & circle track racing applications
CNC-ported 62cc combustion chamber moderates valve shrouding & improves airflow efficiency
Thick deck surface allows angle milling & increases rigidity; Improves head gasket retention
Multi-angle intake & radiused exhaust seats for superior flow & increased horsepower
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Q & A
Tim talks about the new Edelbrock powder coated cylinder heads and provides a little history on Federal Mogul heads.
Tim shows off our aluminum cylinder heads for 348-409 Chevys.
In part 2, you will read about the Generation 4 small block series of V8s that share the same platform as the Generation 3 discussed in part 1.
Trying to decide which power plant to use in your latest project? Here's a quick guide of modern V8 engines for hot rodders to consider.
Illustration showing the various styles of engine heads you may encounter on the Small Block Chevy engine.
Engine Cylinder Numbers
Tim M. has tried to stay true to the vintage route, but sometimes, exceptions must be made. For example, the original oiling system's paper element and canister are functional, but an upgraded system will be more reliable.