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    Brian Tooley Racing BTR ROCKER ARM TRUNNION UPGRADE KIT - GM LS - WITHOUT BOLTS - TK001NB TK001NB

    Part Number: TK001NB
    Regular Price $119.99

    Currently out of 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.
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    This is Brian Tooley Racing's TK001 rocker arm trunnion upgrade kit for GM LS-series engines, sold as the axle assembly only (trunnions, bearings, clips, and washers) without rocker mounting bolts. It replaces the factory rocker arm trunnion and bearing arrangement to eliminate the failure-prone, limited-travel factory bearings inside stock LS rocker arms.

    • Part Number: TK001NB
    • Application: GM LS-Series
    • Includes: 16 rocker trunnions, 33 trunnion bearings, 34 trunnion clips, 2 assembly washers
    • Rocker Bolts: Not included

    FAQ

    What does the TK001NB trunnion kit include?

    It includes 16 rocker trunnions, 33 trunnion bearings, 34 trunnion clips, and 2 assembly washers.

    Are rocker arm bolts included with this kit?

    No. TK001NB does not include rocker bolts; they must be purchased separately.

    What problem does this trunnion kit solve?

    It replaces the factory rocker arm trunnion and bearing arrangement, which is prone to failure and limited in travel, with BTR's upgraded components for improved reliability.

    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.

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