Proform Engine Expansion Plug Kit - 66551 ⚠ Check if this part fits your vehicle Select your vehicle to confirm fitment before you buy. Select vehicle Freeze Plug Kit Manufacturer: Proform $27.99 Qty: Add to cart Ship to Select country United States of America Afghanistan Åland Islands Albania Algeria American Samoa Andorra Angola Anguilla Antarctica Antigua and Barbuda Argentina Armenia Aruba Australia Austria Azerbaijan Bahamas Bahrain Bangladesh Barbados Belarus Belgium Belize Benin Bermuda Bhutan Bolivia (Plurinational State of) Bonaire, Sint Eustatius and Saba Bosnia and Herzegovina Botswana Bouvet Island Brazil British Indian Ocean Territory Brunei Darussalam Bulgaria Burkina Faso Burundi Cabo Verde Cambodia Cameroon Canada Cayman Islands Central African Republic Chad Chile China Christmas Island Cocos (Keeling) Islands Colombia Comoros Congo Congo (Democratic Republic of the) Cook Islands Costa Rica Côte d'Ivoire Croatia Cuba Curaçao Cyprus Czechia Denmark Djibouti Dominica Dominican Republic Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Eswatini Ethiopia Falkland Islands (Malvinas) Faroe Islands Fiji Finland France French Guiana French Polynesia French Southern Territories Gabon Gambia Georgia Germany Ghana Gibraltar Greece Greenland Grenada Guadeloupe Guam Guatemala Guernsey Guinea Guinea-Bissau Guyana Haiti Heard Island and McDonald Islands Holy See Honduras Hong Kong Hungary Iceland India Indonesia Iran (Islamic Republic of) Iraq Ireland Isle of Man Israel Italy Jamaica Japan Jersey Jordan Kazakhstan Kenya Kiribati Korea (Democratic People's Republic of) Korea (Republic of) Kuwait Kyrgyzstan Lao People's Democratic Republic Latvia Lebanon Lesotho Liberia Libya Liechtenstein Lithuania Luxembourg Macao Madagascar Malawi Malaysia Maldives Mali Malta Marshall Islands Martinique Mauritania Mauritius Mayotte Mexico Micronesia (Federated States of) Moldova (Republic of) Monaco Mongolia Montenegro Montserrat Morocco Mozambique Myanmar Namibia Nauru Nepal Netherlands New Caledonia New Zealand Nicaragua Niger Nigeria Niue Norfolk Island North Macedonia Northern Mariana Islands Norway Oman Pakistan Palau Palestine, State of Panama Papua New Guinea Paraguay Peru Philippines Pitcairn Poland Portugal Puerto Rico Qatar Réunion Romania Russian Federation Rwanda Saint Barthélemy Saint Helena, Ascension and Tristan da Cunha Saint Kitts and Nevis Saint Lucia Saint Martin (French part) Saint Pierre and Miquelon Saint Vincent and the Grenadines Samoa San Marino Sao Tome and Principe Saudi Arabia Senegal Serbia Seychelles Sierra Leone Singapore Sint Maarten (Dutch part) Slovakia Slovenia Solomon Islands Somalia South Africa South Georgia and the South Sandwich Islands South Sudan Spain Sri Lanka Sudan Suriname Svalbard and Jan Mayen Sweden Switzerland Syrian Arab Republic Taiwan, Province of China Tajikistan Tanzania, United Republic of Thailand Timor-Leste Togo Tokelau Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Turks and Caicos Islands Tuvalu Uganda Ukraine United Arab Emirates United Kingdom of Great Britain and Northern Ireland United States Minor Outlying Islands Uruguay Uzbekistan Vanuatu Venezuela (Bolivarian Republic of) Vietnam Virgin Islands (British) Virgin Islands (U.S.) Wallis and Futuna Western Sahara Yemen Zambia Zimbabwe * Other * Shipping Method Name Estimated Delivery Price No shipping options Apply Custom wishlist OK Add to wishlist Add to compare list Email a friend Brass Freeze Plug Kit Products specifications Attribute name Attribute value Applications Chevy Small Block 400 Engines Prop 65 Yes/No Yes Category Freeze Plugs Prop 65 (C, R or CR) CR Prop 65 - Short Label WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov Prop 65 Long Label WARNING: Handling passenger or off-highway motor vehicle parts can expose you to chemicals such as phthalates and lead, which can cause cancer and reproductive harm. To minimize exposure, service the vehicle in a well-ventilated area, wear gloves, and wash your hands. For more information see P65Warnings.ca.gov/auto-parts. Feature/Benefit Avoid corrosion in your engine and replace your rusty freeze plugs with PROFORM's durable brass freeze plug kits. Prop 65 Warning Label Proposition 65 Warning.JPG 🚗 Compatible with 79 vehicles are compatible with this product Year Make Model 1975 Chevrolet Bel Air 1976 Chevrolet K5 Blazer 1977 Chevrolet K5 Blazer 1978 Chevrolet K5 Blazer 1976 Chevrolet C20 Suburban 1977 Chevrolet C20 Suburban 1978 Chevrolet C20 Suburban 1975 Chevrolet Caprice 1976 Chevrolet Caprice 1975 Chevrolet El Camino 1976 Chevrolet El Camino 1975 Chevrolet Impala 1976 Chevrolet Impala 1975 Chevrolet K10 Suburban 1976 Chevrolet K10 Suburban 1977 Chevrolet K10 Suburban 1978 Chevrolet K10 Suburban 1975 Chevrolet K20 Suburban 1976 Chevrolet K20 Suburban 1977 Chevrolet K20 Suburban 1978 Chevrolet K20 Suburban 1978 GMC C25 Suburban 1980 GMC C2500 Suburban 1975 GMC Jimmy 1976 GMC Jimmy 1977 GMC Jimmy 1978 GMC Jimmy 1979 GMC Jimmy 1975 GMC K15 Suburban 1976 GMC K15 Suburban 1977 GMC K15 Suburban 1978 GMC K15 Suburban 1979 GMC K1500 Suburban 1980 GMC K1500 Suburban 1975 GMC K25 Suburban 1976 GMC K25 Suburban 1977 GMC K25 Suburban 1978 GMC K25 Suburban 1979 GMC K2500 Suburban 1980 GMC K2500 Suburban 1975 GMC Sprint 1976 GMC Sprint 1970 Chevrolet Bel Air 1971 Chevrolet Bel Air 1972 Chevrolet Bel Air 1973 Chevrolet Bel Air 1974 Chevrolet Bel Air 1970 Chevrolet Biscayne 1971 Chevrolet Biscayne 1972 Chevrolet Biscayne 1970 Chevrolet Brookwood 1972 Chevrolet Brookwood 1970 Chevrolet Caprice 1971 Chevrolet Caprice 1972 Chevrolet Caprice 1973 Chevrolet Caprice 1974 Chevrolet Caprice 1970 Chevrolet El Camino 1971 Chevrolet El Camino 1972 Chevrolet El Camino 1973 Chevrolet El Camino 1974 Chevrolet El Camino 1970 Chevrolet Impala 1971 Chevrolet Impala 1972 Chevrolet Impala 1973 Chevrolet Impala 1974 Chevrolet Impala 1970 Chevrolet Kingswood 1971 Chevrolet Kingswood 1972 Chevrolet Kingswood 1970 Chevrolet Monte Carlo 1971 Chevrolet Monte Carlo 1972 Chevrolet Monte Carlo 1973 Chevrolet Monte Carlo 1974 Chevrolet Monte Carlo 1970 Chevrolet Townsman 1971 Chevrolet Townsman 1972 Chevrolet Townsman 1974 GMC Sprint