Skip to Product Info
    • BTR146O-RING70A.jpg

    BTR Intake Manifold O-Ring | Square-Port LS3/Godzilla | 146-70A

    Part Number: 146O-RING70A
    Regular Price $0.99

    In Stock

    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:

    The BTR intake manifold port O-ring services the cylinder-head-to-manifold-runner joint on square-port LS3/L99 Equalizer and Trinity intakes, and Ford Godzilla intakes. It does NOT service LS1 or LS7 applications — see BTR's #149 O-RING 70A for those. Molded from black rubber at a 70A durometer, 8 are required per intake, sold individually.

    • Part Number: 146-70A
    • Application: Square-port LS3/L99 Equalizer & Trinity intakes, Ford Godzilla intakes (NOT LS1 or LS7)
    • Quantity Needed: 8 per intake
    • Inside Diameter: 2.625 in
    • Outside Diameter: 2.813 in
    • Thickness: 0.094 in
    • Material: Rubber, black, 70A durometer

    FAQ

    What engines is the BTR 146-70A intake manifold O-ring designed for?

    It services square-port LS3/L99 Equalizer and Trinity intakes, plus Ford Godzilla intakes. It does not fit LS1 or LS7 applications — BTR's #149 O-RING 70A is the correct part for those.

    How many O-rings are needed per intake?

    8 are required per intake, sold individually.

    What are the dimensions of the BTR 146 O-ring?

    The O-ring measures 2.625 in inside diameter, 2.813 in outside diameter, and 0.094 in thick.

    What material and durometer is the O-ring made from?

    It's molded from black rubber at a 70A durometer.

    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