ProMaxx Performance 9175 MAXX Series Aluminum Cylinder Heads for Ford Small Block
723-9175
Product Q&A
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Small Block Ford
Specifications:
How many springs pee valve?
Does the heads come with inserts for early 302 block using 7/16 studs? I have a 347 69 short block with a 575 lift hydraulic roller cam. Using hooker headers for a street performance mustang.
Just want to know what the rpm range is for this heads, and if that come with flat tappet springs. Thanks.
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