Proforged - Archived Suspension Knuckle Assembly - 221-10010 ⚠ Check if this part fits your vehicle Select your vehicle to confirm fitment before you buy. Select vehicle Proforged 221-10010 Spindle Kit Manufacturer: Proforged - Archived Manufacturer part number: 221-10010 Old price: $593.14 Price: $524.95 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 PRODUCT OVERVIEWReplace worn or hard-to-find factory spindles with a brand-new set of forged 1970–1973 Mustang–style spindles. Whether you’re restoring your original suspension or upgrading an earlier Mustang for improved strength and geometry, these spindles deliver the quality, precision, and durability you need all without the hassle of hunting down used parts.DIRECT REPLACEMENT FOR 1970-1973 MUSTANGSOriginal spindles from 1970–1973 cars are often bent, rusted, or worn after decades on the road. Finding a clean set can be time-consuming and expensive. These spindles offer a brand-new, high-strength solution with OE-style fit and finish ideal for stock restorations, performance upgrades, or replacing damaged originals. Each unit is forged for strength, particle tested for quality, and E-coated to resist corrosion for years to come.UPGRADE FOR 1964-1969 MUSTANGSThese spindles are also a popular bolt-on upgrade for earlier 1964–1969 Mustangs. The 1970–1973 design features improved steering arm geometry, larger pin diameters, and more durable wheel bearings. Exactly what’s needed to handle today’s wider radial tires and higher grip levels. This upgrade sharpens steering response, improves durability, and provides compatibility with modern brake kits.1 MILLION MILE WARRANTYProforged components are built to last and backed by our industry-leading 1 Million Mile Warranty. For peace of mind, register your products at www.Proforged.com/Warranty and see terms and conditions for full coverage details.FITMENT NOTES• Direct fit for 70-73 Mustangs with drum brakes• Aftermarket brake kits for 70-73 Mustang drum brake cars are recommended• 67-69 cars require outer tie rod ends 104-10350• 64-66 cars require full V8 steering system with 104-10350 tie rod ends. Recommend using kit 216-10027• Wheel bearings and dust seals not includedNote: Direct replacement for 197–1973 Mustang spindles are ideal for restoration or replacing worn, damaged, or corroded originals Products specifications Attribute name Attribute value Brand Proforged Emission Code 4 California Proposition 65 Cancer and Reproductive Harm. www.P65Warnings.ca.gov Product Type Suspension Knuckle Assembly UPC 806990234339 Prop 65 Yes/No Yes Country of Origin CN Condition New 🚗 Compatible with 10 vehicles are compatible with this product · 1964–1973 Looking for fitment details? Add your vehicle and we'll show you instantly whether this part fits. + Add Vehicle