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Speedmaster Small Block Chevy 350 Aluminum Cylinder Heads 64cc/190cc Hydraulic Flat Tappet Complete Heads

Speedmaster PCE281.2004

746-PCE281.2004

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Speedmaster Small Block Chevy 350 Aluminum Cylinder Heads 64cc/190cc Hydraulic Flat Tappet Complete Heads $733.40
Small Block Chevy 350 Aluminum Cylinder Heads 64cc/190cc
  • Hydraulic Flat Tappet Complete Heads
  • Sold as a pair

  • Speedmaster PCE281.2004 Details

    Small Block Chevy Aluminum Heads (Straight Plug Design)

    • Intake Valve: 2.02"
    • Exhaust Valve: 1.60"
    • Sold as a pair
    • Max Lift: .550"
    • Coil Bind: .740"
    • Intake Install: 130 lbs @ 1.8
    • Exhaust Install: 130 lbs @ 1.8
    • Closed Sear Pressure: 110 lbs
    • Open Seat Pressure: 300 lbs
    Valve LiftIntakeExhaust
    .100''5852
    .200''113.597.8
    .300''159.2132.8
    .400''199.7162
    .500''227.6179.8
    .600''244.2187.7
    .700''248.3191

    Specifications:

    Manufacturer's Part Number:
    PCE281.2004

    Speedmaster offers a wide variety of aluminum and cast iron cylinder heads for both race and mild street applications. Speedmaster heads are available bare and fully assembled.

    All Speedmaster aluminum cylinder heads feature the following:

    • High Grade Aluminum
    • Bronze Valve Guides
    • Hardened Seats
    • Advanced Port Design for greater flow
    • Multi angle seat design for performance valve springs

    JEGS Easy Kits are designed by JEGS high performance racing professionals to help you get all the performance parts you need for your race car, hot rod or truck. https://www.jegs.com/p/JEGS-Performance-Products/JEGS-Tool-Boxes/3669780/10002/-1

    What options do I have for a intake manifold

    Asked by: Drew F
    These heads will take the pre 86 style intake manifolds like this - https://www.jegs.com/i/JEGS/555/513000/10002/-1
    Answered by: Rusty B
    Date published: 2018-08-07

    Will these springs fit on these heads without additional machining? Comp beehive # 249-26981-16

    Asked by: Adolph
    Yes, these springs will work on this set of heads.
    Answered by: Rusty B
    Date published: 2018-03-26

    What makes these setup for flat tappet only? What is needed to change for roller engine? springs?

    Asked by: Adolph
    Yes, the installed valve springs are not strong enough for a roller cam.
    Answered by: Dean R
    Date published: 2018-03-20

    Is there a complete kit for the pce281.2004 heads? These are straight plug heads but they only show a kit for angle plug heads.

    Asked by: Jeffman1
    Unfortunately not but one of our techs can piece together a similar package 1.800.345.4545
    Answered by: Dean R
    Date published: 2018-02-21

    Can I install a Weiand 8150 intake manifold and Holley 670 Carb to these heads

    Asked by: MrKen
    Yes you can use that intake and carb combo with these heads.
    Answered by: BrandonJ
    Date published: 2017-11-26

    Will these heads work on a Chevy vortec 350

    Asked by: Gman252
    These heads will bolt to the Vortec 350.
    Answered by: Jon Jegs Tech
    Date published: 2017-11-20

    How much do the flow

    Asked by: How much do the flow
    Here are the flow figures on this cylinder heads. Intake Exhaust .100-58.0 52.0 .200-113.5 97.8 .300-159.2 132.8 .400-199.7 162.0 .500-227.6 179.8 .600-244.2 187.7 .700-248.3 191.0
    Answered by: Jegs Tech
    Date published: 2017-08-17
    • y_2018, m_8, d_14, h_7CST
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    Some parts are not legal for use in California or other states with similar laws / regulations