Skip to Product Info
    • ARP134-1101.jpg

    ARP GM LS-Series Header Bolt Kit, Hex Head, 8mm x 1.25 x .984, Set of 12 | 134-1101

    Part Number: 134-1101
    Regular Price $35.99

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
    Payment & Security

    Secure, encrypted checkout. Card details go straight to the payment processor and are never stored by us.

    • Amazon
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Venmo
    • Visa
    Share to:

    This ARP header bolt kit fits GM LS-Series engines. Each 8mm x 1.25 thread bolt is 0.984 in long, uses a hex head, and includes washers. Bolts are machined from chromoly with a black oxide finish.

    Specifications:

    • Type: Header Bolt
    • Thread: 8mm x 1.25
    • Length: 0.984 in
    • Head Style: Hex Head
    • Washers: Included
    • Material: Chromoly
    • Finish: Black Oxide
    • Quantity: Set of 12
    • Part Number: 134-1101

    Applications:

    • GM LS-Series

    FAQ

    What engines does this header bolt kit fit?

    GM LS-Series engines.

    What size are the bolts?

    8mm x 1.25 thread, 0.984 in long.

    Are washers included?

    Yes.

    What head style is used?

    A hex head.

    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

    Recently Viewed