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JEGS 514022

JEGS Small Block Chevy Cylinder Head


made in usa
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JEGS Small Block Chevy Cylinder Head $539.99
Out of stock
Cylinder Head
  • Small Block Chevy
  • 195cc Intake Ports
  • 64cc Combustion Chambers
  • 2.020"Int./1.600"Exh. Valves
  • 1.250" Valve Spring, .525" Max Lift
  • 3/8" Rocker Studs
  • Straight Plug
  • Sold 1/pkg
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    JEGS 514022 Details

    195cc Intake Runner


    CastingA356-A Virgin Grade, Heat Treated to T-6
    Valve GuidesManganese Bronze
    Valve SeatsAlloy, For use with Unleaded Gasoline
    Valve Train
    Rocker Stud Size3/8"-24
    Guide Plates5/16" Flat
    Pushrods5/16" Hardened, Must Check Length
    Spring RetainersChrome Moly Steel (7 Degree) Single / Dual
    Valve Locks7 Degree (HD)
    Spring LocatorI.D. Locator - 1.490" x 0.060"
    Valve Springs
    Spring O.D.TypeMax LiftCoil BindSeat LoadOpen Load
    1.250"Single0.525"1.160"100# @ 1.775"320# @ 1.200"
    1.440"Dual0.600"1.125"135# @ 1.800"340# @ 1.200"
    Spark Plugs14mm x 3/4" Reach - Gasket Seat - 5/8" Hex
    Head BoltsJEGS 555-83400 or equivalent
    Head StudsStandard SB-Chevy
    Stud GirdleJEGS 555-20510 or equivalent
    Rocker ArmsStandard SB-Chevy for 3/8"-24 Stud
    Head GasketJEGS 555-210041 or equivalent
    Accessory Bolt LocationsStock Placement
    Flow Specifications
    Flow GraphIntakeExhaust
    Port Volume195cc85cc
    Valve Diameter2.020"
    (Stainless Steel)
    (Stainless Steel)
    Valve Length4.910"4.910"
    Valve Stem Diameter11/32"11/32"
    Valve Stem Seal Diameter0.530" (PTFE)0.530" (PTFE)
    Port Dimension2.150"H x 1.300"W1.530"H x 1.545"W (D-Shape)
    Flow Rate274 CFM @ 0.600" Lift (28" H20)213 CFM @ 0.600" Lift (28" H20)
    GasketJEGS 555-210000
    or equivalent
    JEGS 555-210052
    or equivalent
    Torque Specification
    Rocker Studs45 ft/lbs.
    Manifold Bolts35 ft/lbs.
    Head Bolts or StudsPer Manufacturers Specifications


    Sold individually
    Cylinder Head Style
    Guideplates Included
    Rocker Arm Studs Included
    Combustion Chamber Volume (cc)
    Intake Valve Diameter (in.)
    Exhaust Valve Diameter (in.)
    Intake Runner Volume (cc)
    Engine Make/Size
    Chevy Small Block (262-400)
    Exhaust Runner Volume (cc)
    Outside Diameter of Outer Spring (in.)
    Maximum Valve Lift (in.)
    Number of Springs Per Valve
    Spark Plug Style
    Rocker Arm Nut Thread Size (in.)
    Guideplate Pushrod Size (in.)
    Shipping Weight:
    Package Height:
    Package Depth:
    Package Width:

    JEGS delivers performance right out of the box!

    Racing technology for your high performance street engine! JEGS small block Chevy cylinder heads are cast from Virgin A356 Aluminum and heat treated to a T6 Hardness for the ultimate quality and durability. They are then machined on the latest CNC machines for accuracy and precision. We use the most up to date technology to design our intake & exhaust runners and combustion chambers for maximum performance. Our choices of intake runner volumes, combustion chamber sizes, spark plug styles and valve spring sizes insure that we have a cylinder head to suit your needs. Our cylinder heads are assembled with premium parts such as manganese valve guides, stainless steel valves and chrome-moly retainers. They feature valve seats that are compatible with unleaded fuel and also accept both standard and center bolt valve covers.


    • Cast in the U.S.A.
    • Machined in the U.S.A.
    • Assembled in the U.S.A.
    • 3-Angle Competition Valve Job
    • Improved Combustion Chamber Design For Improved Efficiencies
    • 1/2" Deck Thickness
    • Exhaust Ports Raised 0.200" (Higher Than Stock OEM Iron Heads)
    • Raised Valve Cover Rails
    • Latest In Port Design For Both The Intake and Exhaust For Increased Horsepower and Torque
    • Premium parts and hardware
    • Up to 20 lbs. lighter per head than standard cast iron heads

    JEGS EZ Kits are designed by JEGS professionals to ensure that you get all the correct parts you need.

    514022 - JEGS Small Block Chevy Cylinder Heads is rated 4.0 out of 5 by 3.
    Rated 5 out of 5 by from High quality I bought these a while back for my sbc 350 in my 72 chevelle and these are everything I hoped for and more. I got them when there was a temporary sale at $499 each I believe. Nothing like having a nice new set of aluminum heads that also perform GREAT. They're worth every penny!!
    Date published: 2018-10-09
    Rated 5 out of 5 by from Good to go I had heads flow tested before installation and found to be 8 to 10cfm average lower than advertised. However I had 5 angle valve job and the bowls polished and gained average 35 to 40cfm increase. The cylinder head shop was very impressed as well with these. They have received other brand name heads 30cfm lower than advertised, which was good to know.
    Date published: 2016-02-28
    Rated 2 out of 5 by from Take head apart check everything Don't just bolt them on, take them apart. Had metal shavings in ports from casting, oil drain back holes are really small ( less than 3/8"), they say .525" max lift but I'm at .490" lift and I can't get .060" feeler gauge between any coil at .490 lift. Haven't run them on engine, not saying there bad but theses are the issues so far.
    Date published: 2018-03-02
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    are the rocker studs press in or screw in (prefer screw in)

    Asked by: jdpontiac
    These rocker studs are screw in style.
    Answered by: Rusty B
    Date published: 2018-09-27

    Will this work on a olds 307 

    Asked by: Romanranes
    No, you will need an Oldsmobile head for the 307, not a Chevy head.
    Answered by: Rusty B
    Date published: 2018-06-05

    What length push rods do i use

    Asked by: Boxheadflea
    We recommend this type of pushrod, but you will need to measure to get the proper length. http://www.jegs.com/p/JEGS-Performance-Products/JEGS-1-Piece-High-Performance-Pushrods/1558358/10002/-1
    Answered by: Rusty B
    Date published: 2018-04-10

    Will this work on a factory rebuilt 1972 307 with stock heads that currently has a edelbrock performer intake and 4 barrel edelbrock 550 carb?

    Asked by: John72
    This is compatible with the 307 engine.
    Answered by: Jon Jegs Tech
    Date published: 2018-04-06

    Will this work with a retro fit roller cam and if so what's the max lift the springs can hold?

    Asked by: Bradprice56
    For use with a roller cam, the springs will have to be changeds.
    Answered by: Jon Jegs Tech
    Date published: 2018-02-23

    What heat range of spark plug do you recommend for these heads with about 9.5:1 compression, if possible provide champion part number. Thanks 

    Asked by: Kory99
    We recommend NGK- #739-R5671A-7 or Champion - #192-12741
    Answered by: Luke H
    Date published: 2017-11-01
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