{
    "lazyNodes": false,
    "abFitnotesFlag": false,
    "abCrawlReviews": false,
    "productOptionsCookie": false,
    "orderDelayFlag": false,
    "skipSessionCookie": false,
    "covidMessage": false,
    "fullTitleCookie": false,
    "nrLoggerCookie": false,
    "checkoutReviewCookie": false,
    "productOptionSeqCookie": false,
    "maintenanceFlag": false,
    "bufferETACookie": false,
    "multiShippingDiscountFlag": false,
    "newFitmentFlag": false,
    "surveyOptInFlag": false,
    "crossSellFlag": false,
    "skuMappingFlag": false,
    "paySplitCookie": false,
    "callDisableFlag": false,
    "zipPaymentFlag": "u",
    "hassleFreeReturn": false,
    "lifetimeReplacement": false,
    "cpn_off": false
}
Select your vehicle
Universal Fit Add Vehicle

Mr Gasket®
3420G Header Bolts - 3/8-16 x 3/4 Inch Hex & Socket Head - Black Oxide, Set of 12

Tap image and pinch to zoom.
$20.27
$22.80Save: $2.53(11%)
Manufacturer #3420G
Universal Fit Add Vehicle
Qty:
1

Highlights

Brand:
Series:
SAE Series
Warranty:
90-day Mr Gasket limited warranty
Quantity Sold:
Set of 12
Prop 65 Warning:

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Product Fit:
Universal

Product Information

MR GASKET – SAE HEADER BOLTS

You can choose from a wide range of smaller, easier-to-install header bolts from Mr. Gasket. They’re made from strong Grade 5 or Grade 8 steel and come as either hex or Allen style heads. From their legendary gaskets, to interior and exterior accessories, Mr. Gasket makes parts that enhance your car’s performance and style.

  • Easier to get into tight spaces
  • Allen head or hex style
  • Grade 5 or Grade 8 heat-treated steel
  • A wide range of sizes to fit your headers
  • Black oxide finish unless otherwise specified
Need help?Call our product expert1-866-529-0412
Chat with us
Mondays - Sundays7am - 11pm ET | 4am - 8pm PT
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.

In the Garage with CarParts.com

Product Q&A

Customer Reviews