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    Sale!

    Proform Engine Expansion Plug Kit 66551

    Vendor: Proform
    SKU: BCHW_66551
    Save $1.60
    $25.99 $27.59
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    Product DetailsRelated ProductsRecently ViewedCustomer ReviewsBack to Top
    Avoid corrosion in your engine and replace your rusty freeze plugs with PROFORM's durable brass freeze plug kits. All necessary plugs are included for one complete engine block. Made in USA.


    Proform Engine Expansion Plug Kit 66551


    Specifications:

    Applications Chevy Small Block 400 Engines
    Category Freeze Plugs
    Finish Natural
    Material Brass
    Feature/Benefit Avoid corrosion in your engine and replace your rusty freeze plugs with PROFORM's durable brass freeze plug kits.
    Description_ABR Freeze Plugs
    Description_SHO Freeze Plug Kit
    Description_INV Brass Freeze Plug Kit
    Description_INV SB Chevy 400
    Description_DEF Engine Expansion Plug Kit
    Description_ASC Brass Freeze Plug Kit
    Description_ASC For Small Block Chevy 400 Engines
    Description_ASC All Sizes Included
    Description_LAB Brass Freeze Plug Kit
    Description_LAB For Small Block Chevy 400 Engines
    Description_LAB All Sizes Included
    Description_DES Brass Freeze Plug Kit
    Description_DES For Small Block Chevy 400 Engines
    Description_DES All Sizes Included
    Description_EXT Brass Freeze Plug Kit
    Description_EXT For Small Block Chevy 400 Engines
    Description_EXT All Sizes Included
    Description_EXT Sold as One Complete Kit
    Description_MKT Avoid corrosion in your engine and replace your rusty freeze plugs with PROFORM's durable brass freeze plug kits. All necessary plugs are included for one complete engine block. Made in USA.


    This Part Fits:

    Year Make Model Submodel Notes
    1970 Chevrolet Bel Air Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1971 Chevrolet Bel Air Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1972 Chevrolet Bel Air Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1973 Chevrolet Bel Air Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1974 Chevrolet Bel Air Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1975 Chevrolet Bel Air Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1970 Chevrolet Biscayne Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1971 Chevrolet Biscayne Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1972 Chevrolet Biscayne Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1970,1972 Chevrolet Brookwood Base For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1976 Chevrolet C20 Suburban Custom Deluxe For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1977 Chevrolet C20 Suburban Custom Deluxe For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1978 Chevrolet C20 Suburban Custom Deluxe For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1970 Chevrolet Caprice Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1971 Chevrolet Caprice Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1972 Chevrolet Caprice Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1973 Chevrolet Caprice Classic For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1974 Chevrolet Caprice Classic For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1975 Chevrolet Caprice Classic For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1976 Chevrolet Caprice Classic For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1973 Chevrolet Caprice Estate For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1974 Chevrolet Caprice Estate For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1970 Chevrolet Chevelle Base For Small Block; All Sizes Included
    1970 Chevrolet Chevelle Concours For Small Block; All Sizes Included
    1970 Chevrolet Chevelle Greenbrier For Small Block; All Sizes Included
    1970 Chevrolet Chevelle Malibu For Small Block; All Sizes Included
    1970 Chevrolet Chevelle Nomad For Small Block; All Sizes Included
    1971 Chevrolet Chevelle SS For Small Block; All Sizes Included
    1970 Chevrolet El Camino Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1971 Chevrolet El Camino Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1972 Chevrolet El Camino Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1973 Chevrolet El Camino Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1974 Chevrolet El Camino Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1975 Chevrolet El Camino Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1976 Chevrolet El Camino Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1970 Chevrolet El Camino Custom For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1971 Chevrolet El Camino Custom For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1972 Chevrolet El Camino Custom For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1973 Chevrolet El Camino Custom For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1974 Chevrolet El Camino Custom For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1970 Chevrolet Impala Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1971 Chevrolet Impala Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1972 Chevrolet Impala Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1973 Chevrolet Impala Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1974 Chevrolet Impala Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1975 Chevrolet Impala Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1976 Chevrolet Impala Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1976 Chevrolet Impala Custom For Small Block; All Sizes Included
    1975 Chevrolet K10 Suburban Custom Deluxe For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1976 Chevrolet K10 Suburban Custom Deluxe For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1977 Chevrolet K10 Suburban Custom Deluxe For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1978 Chevrolet K10 Suburban Custom Deluxe For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1975 Chevrolet K20 Suburban Custom Deluxe For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1976 Chevrolet K20 Suburban Custom Deluxe For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1977 Chevrolet K20 Suburban Custom Deluxe For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1978 Chevrolet K20 Suburban Custom Deluxe For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1976 Chevrolet K5 Blazer Base For Small Block; All Sizes Included
    1977 Chevrolet K5 Blazer Cheyenne For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1978 Chevrolet K5 Blazer Cheyenne For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1970 Chevrolet Kingswood Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1971 Chevrolet Kingswood Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1972 Chevrolet Kingswood Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1970 Chevrolet Kingswood Estate For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1971 Chevrolet Kingswood Estate For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1972 Chevrolet Kingswood Estate For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1974 Chevrolet Laguna Base For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1975 Chevrolet Laguna Base For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1976 Chevrolet Laguna S3 For Small Block; All Sizes Included
    1974 Chevrolet Malibu Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1975 Chevrolet Malibu Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1976 Chevrolet Malibu Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1974 Chevrolet Malibu Classic For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1975 Chevrolet Malibu Classic For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1976 Chevrolet Malibu Classic For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1974 Chevrolet Malibu Estate For Small Block; All Sizes Included
    1970 Chevrolet Monte Carlo Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1971 Chevrolet Monte Carlo Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1972 Chevrolet Monte Carlo Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1973 Chevrolet Monte Carlo Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1974 Chevrolet Monte Carlo Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1970 Chevrolet Townsman Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1971 Chevrolet Townsman Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1972 Chevrolet Townsman Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1978 GMC C25 Suburban Base For Small Block; All Sizes Included
    1980 GMC C2500 Suburban Base For Small Block; All Sizes Included
    1975 GMC Jimmy Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1976 GMC Jimmy Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1977 GMC Jimmy Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1978 GMC Jimmy Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1979 GMC Jimmy Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1975 GMC K15 Suburban Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1976 GMC K15 Suburban Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1977 GMC K15 Suburban Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1978 GMC K15 Suburban Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1979 GMC K1500 Suburban Base For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1980 GMC K1500 Suburban Base For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1975 GMC K25 Suburban Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1976 GMC K25 Suburban Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1977 GMC K25 Suburban Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1978 GMC K25 Suburban Base For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1979 GMC K2500 Suburban Base For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1980 GMC K2500 Suburban Base For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1975 GMC Sprint Base For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1976 GMC Sprint Base For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1975 GMC Sprint Classic For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1976 GMC Sprint Classic For Small Block; All Sizes Included,For Small Block; All Sizes Included
    1974 GMC Sprint Custom For Small Block; All Sizes Included
    Shipping Policy

    Cancellations

    Once an order is placed, in most cases it cannot be cancelled as they are sent for fulfillment almost immediately after receiving the order. If there is an ability to cancel the order, the buyer is responsible for the transaction fees charged from the transaction.

    Processing Time

    In-stock orders are typically processed and shipped within 1–2 business days of receiving payment, unless otherwise stated on the product page. Orders placed on weekends or holidays will be processed on the next business day.

    Shipping Costs

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    Tracking Information

    Once your order has been shipped, you will receive a shipping confirmation email with tracking information. You can use this information to track the status of your package and monitor its delivery progress.

    Delivery Time

    While we make every effort to ensure timely delivery, please note that delivery times may vary due to factors beyond our control, such as weather conditions or carrier delays.

    International Shipping

    For international orders, please be aware that customs duties, taxes, and other fees may apply upon delivery. These additional charges are the responsibility of the recipient and are not included in the shipping cost paid at checkout. Please check with your local customs office for information on potential fees before placing your order.

    Shipping Address

    Please ensure that the shipping address provided during checkout is accurate and complete. We are not responsible for orders shipped to incorrect or undeliverable addresses due to customer error.
    Return Policy

    Return Period

    You have up to 30 days from the date of purchase to return eligible items.

    Condition of the Item

    A 20% restocking fee will apply to cover inspection, processing, and repackaging costs.

    Items must be returned in new, unused condition and include all original packaging, hardware, and documentation.

    Return Shipping

    The cost of return shipping is the responsibility of the buyer unless the item was received damaged, defective, or incorrect.

    Return Authorization

    Before returning any item, please contact our customer service team to obtain a Return Merchandise Authorization (RMA) number. Items returned without an RMA may not be accepted.

    Refund Processing

    Once the returned item is received and inspected, we will initiate the refund process. Please allow 2–5 days for the refund to be processed and credited to the original payment method. Bank processing times may vary.

    Damaged or Defective Items

    If you receive a damaged, defective, or incorrect item, contact us immediately for assistance. We’ll work quickly to resolve the issue or send a replacement.

    Final Sale Items

    Certain items may be marked as Final Sale and are not eligible for return or exchange. These will be clearly noted on the product page.
    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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