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Chevrolet Performance Big Block Chevy Rectangular Port Aluminum Cylinder Head, 572/620 Engine

809-19331429


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Big Block Chevy Rectangular Port Aluminum Cylinder Head, 572/620 Engine
$1,519.71
Big Block Chevy Rectangular Port Aluminum Head
  • 572/620 Engine
  • 118cc Combustion Chamber
  • 2.250" Intake / 1.880" Exhaust Valves
  • 11/32" Valve Stem
  • 310cc Intake Port
  • 118cc Exhaust Port, Raised 5/8"
  • Assembled, Sold Individually
  • Free Shipping - Ships on 05/22/24
    QTY

    what spring diameter and seat spring pressure?

    Asked by: too fast Freddie
    This is a link to the valve springs used on this head - https://www.jegs.com/i/Chevrolet-Performance/809/88963934/10002/-1
    Answered by: Rusty B
    Date published: 2018-05-30
    • y_2024, m_4, d_18, h_3CST
    • bvseo_bulk, prod_bvqa, vn_bulk_3.0.41
    • cp_1, bvpage1
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    • loc_en_US, sid_10001_10001_3626633, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs

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     Cylinder Head SpecificationsIntake Port Volume: 320cc - Rectangle PortCombustion Chamber Volume: 119ccStainless Steel Valves: 2.250" dia. x 5.218" o.a.l. Intake / 1.880" dia. x 5.394" o.a.l. Exhaust ( 11/32" Stem Diameter )Valve Springs: Double Spring; 1.550" Diameter - Open Pressure: ...
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    Rough Machined Detail: Machined: Main surfaces and exhaust bolt pattern Not Machined: Head bolt & dowel holes, intake bolt holes, spark plug holes & pushrod holes, valve guides, valve seats, valve spring seats and rocker stands Valve locations and angles ...
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    Semi-Machined Detail: Machined: Main surfaces, exhaust bolt pattern, valve guides and spark plug holes Not Machined: Head bolt holes, dowel holes, intake bolt holes, pushrod holes, valve seats, valve spring seats and rocker stands Same casting P/N 12480146. Standard 4.400" ...
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