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These cyilnder heads are targeted at larger cubic inch engines (509-632 CID) looking for maximum horsepower and rpm capability with a primary operating range of 3500-8000 rpm's (This range is an average and will vary with engine displacement and component selection)
Magnum Hydraulic Roller Camshaft - 290HRSuit Ford 302-351 Cleveland (1970-83)
590 lb Static radial load capacity
400" Stroke Forged I-beam 5
It is recommended for a tight fit choose a braid wrap diameter that is a smaller size than required for your application
Holley Adjustable Inlet Needle & Seat - Steel HO6-501-2 Product:Size 0.097" These cyilnder heads are targetedHolley Adjustable Inlet Needle & Seat SteelSize 0. 097" HO6 501 2 6 501 2 Steel tipped inlet needles are necessary when using exotic racing fuels or alcohol or when using benzine or acetone additives. A . 097" seat size should be used for small four barrel carburettors; a . 110" seat size should be used for Carburettors up to 735 CFM; larger seat sizes should be used with Carburettors 750 CFM and larger.
US$ 275.00
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US$ 81.00