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JEGS 83400

JEGS Head Bolt Kit for Small Block Chevy

555-83400

made in usa
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Save $20 Off $250, $50 Off $500, $100 Off $1,500, $150 Off $2,500. Promo Code: SAVEMORE exclusions apply

$70.29
JEGS Head Bolt Kit for Small Block Chevy $70.29
Out of stock
More than 10 available
QTY
Head Bolt Kit
  • Small Block Chevy
    Fits: (except LS-Series Engines)
  • OE 23° Cast Iron
  • Gen II Vortec/Truck
  • JEGS
  • Most Edelbrock
  • AFR LT
  • Brodix -8, -10, -11, -11xb, LT-1
  • Dart Pro-1
  • Made in the USA
  • Items You May Also Consider

    JEGS 83400 Details

    Head Bolt Kits

      Includes:
    • (14) 7/16"-14 x 3-25/32" Head Bolts
    • (16) 7/16"-14 x 1-3/4" Head Bolts
    • (4) 7/16"-14 x 3-1/16" Head Bolts
    • (34) Head Bolt Washers

    Specifications:

    Quantity
    Sold as a set
    Fastener Finish
    Black oxide
    Fastener Material
    Steel
    Washers Included
    Yes
    Fastener Style
    Bolt
    Head Style
    Hex
    Cut to Fit
    No
    Undercut Stud
    Yes
    Fastener Yield Strength (psi)
    170,000
    Underhead Length (in.)
    3.125
    Underhead Length (in.)
    3.781
    Underhead Length (in.)
    1.75
    Thread Size (in.)
    7/16-14
    Engine Make/Size
    Chevy Small Block (262-400)
    Shipping Weight:
    4.73
    Package Height:
    4.5
    Package Depth:
    4.3
    Package Width:
    4.5

    JEGS Premium head bolts are available with a reduced hex size (1/2" compared to stock 5/8") with a wide area head flange that eliminates valve train removal to aid in re-torquing of the cylinder heads. All High Performance Series bolts are 170,000 psi chromemoly alloy steel, which is approximately 15% stronger than Grade 8. Each bolt is then finished with the distinctive JEGS J-Crown. Kits come complete with hardened double disc ground and chamfered 4130 heat-treated steel washers (also available separately). Head bolts and washers are coated with black oxide for durability. Bolts sold in complete engine sets. .

    83400 is rated 4.8 out of 5 by 4.
    Rated 5 out of 5 by from Great price-Looks like the name brand Reasonable price option for my recent aluminum head purchase.
    Date published: 2019-02-23
    Rated 5 out of 5 by from good quality I bought these bolts as an up grade and they work fine.
    Date published: 2016-12-30
    • y_2019, m_9, d_13, h_6
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    • clientName_jegs

    Is this kit comparable to ARP 134-3601? I ordered them for a set of Promaxx SBC heads and didn’t notice until later that they specifically recommend ARP 134-3601

    Asked by: MGillam
    Yes, this head bolt kit should work for your Promaxx cylinder heads.
    Answered by: Rusty B
    Date published: 2018-05-17

    Will these fit chevy 1969 350 edlebroc RPM aluminum heads

    Asked by: Stephen smith
    Yes, this kit will work on the Edelbrock cylinder heads.
    Answered by: Rusty B
    Date published: 2018-05-16

    will these work on a sbc 350 with blue print heads?

    Asked by: z89s
    yes they will.
    Answered by: BrandonJ
    Date published: 2018-02-17
    • y_2019, m_9, d_13, h_6CST
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    • loc_en_US, sid_10001_10001_1283865, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
    • clientName_jegs

    Items You Need

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.