Skip to Product Info
    • UMI643546-1-B.jpg

    UMI Performance CornerMax Front Lowering Kit 0-2in — 1963-1970 Chevy & GMC C10/C15 Trucks & Suburbans | Control Arms & Brackets | 643546-1-B

    Vendor: UMI Performance
    Part Number: 643546-1-B
    Regular Price $1,979.99

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

    UMI Performance's CornerMax front lowering kit provides an adjustable 0 to 2 inch front drop for 1963 through 1970 GM C10 and C15 fullsize trucks and Suburbans. The kit combines tubular upper and lower control arms, mounting brackets, and the required hardware to lower the front while improving handling with CornerMax geometry. A black powder coat finish protects the steel components. UMI Performance manufactures these control arms in the USA.

    Specifications:

    • Part type: Front lowering kit
    • Design: CornerMax
    • Front drop: 0 to 2 inches (adjustable)
    • Includes: Upper and lower control arms, brackets, hardware
    • Material: Steel
    • Finish: Black powder coat
    • Made in the USA
    • Part number: 643546-1-B

    Vehicle Applications:

    • 1963 Chevrolet C10 Pickup
    • 1964 Chevrolet C10 Pickup
    • 1965 Chevrolet C10 Pickup
    • 1966 Chevrolet C10 Pickup
    • 1967 Chevrolet C10 Pickup
    • 1968 Chevrolet C10 Pickup
    • 1969 Chevrolet C10 Pickup
    • 1970 Chevrolet C10 Pickup
    • 1967 Chevrolet C10 Suburban
    • 1968 Chevrolet C10 Suburban
    • 1969 Chevrolet C10 Suburban
    • 1970 Chevrolet C10 Suburban
    • 1970 GMC C15/C1500 Pickup

    FAQ

    What is included in the UMI Performance 643546-1-B CornerMax lowering kit?

    The kit includes tubular upper and lower control arms, mounting brackets, and the required hardware for the front suspension.

    How much does the 643546-1-B kit lower the front?

    It provides an adjustable front drop of 0 to 2 inches.

    What vehicles does the 643546-1-B kit fit?

    It fits 1963 through 1970 Chevrolet and GMC C10 and C15 fullsize trucks and Suburbans. See the Vehicle Applications list for exact years.

    Where is the 643546-1-B lowering kit made?

    UMI Performance manufactures these control arms in the USA.

    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