{"product_id":"1973-1987-chevrolet-gmc-k10-k20-4-6-8-inch-lift-blocks","title":"1973-1987 Chevrolet \/ GMC K10,  K20 4, 6, 8 Inch Lift Blocks","description":"\u003ch1 data-start=\"254\" data-end=\"315\"\u003e1973–1987 Chevrolet\/GMC K10–K20 Lift Blocks – 4\", 6\", or 8\"\u003c\/h1\u003e\n\u003cp data-start=\"317\" data-end=\"631\"\u003e\u003cstrong data-start=\"317\" data-end=\"489\"\u003eEnhance the stance and lift of your classic Chevy or GMC truck with premium, 🇺🇸 American-made lift blocks built specifically for the 1973–1987 K10 and K20 4x4 models.\u003c\/strong\u003e Available in 4\", 6\", and 8\" sizes, these custom-fabricated blocks are \u003cstrong data-start=\"560\" data-end=\"576\"\u003etrue to size\u003c\/strong\u003e, delivering accurate rear lift and consistent fitment.\u003c\/p\u003e\n\u003chr data-start=\"633\" data-end=\"636\"\u003e\n\u003ch3 data-start=\"638\" data-end=\"661\"\u003e🔧 \u003cstrong data-start=\"645\" data-end=\"661\"\u003eKey Features\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul data-start=\"662\" data-end=\"1168\"\u003e\n\u003cli data-start=\"662\" data-end=\"745\"\u003e\n\u003cp data-start=\"664\" data-end=\"745\"\u003e✅ \u003cstrong data-start=\"666\" data-end=\"698\"\u003eCustom-built in the USA 🇺🇸\u003c\/strong\u003e for 1973–1987 Chevy\/GMC K10 \u0026amp; K20 4WD trucks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"746\" data-end=\"817\"\u003e\n\u003cp data-start=\"748\" data-end=\"817\"\u003e✅ \u003cstrong data-start=\"750\" data-end=\"777\"\u003eAvailable lift heights:\u003c\/strong\u003e 4\", 6\", or 8\" – each \u003cstrong data-start=\"799\" data-end=\"815\"\u003etrue to size\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"818\" data-end=\"891\"\u003e\n\u003cp data-start=\"820\" data-end=\"891\"\u003e✅ \u003cstrong data-start=\"822\" data-end=\"866\"\u003eHeavy-duty fabricated steel construction\u003c\/strong\u003e for rugged performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"892\" data-end=\"980\"\u003e\n\u003cp data-start=\"894\" data-end=\"980\"\u003e✅ \u003cstrong data-start=\"896\" data-end=\"914\"\u003eOptional taper\u003c\/strong\u003e (if applicable) to improve driveline angle and reduce vibration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"981\" data-end=\"1050\"\u003e\n\u003cp data-start=\"983\" data-end=\"1050\"\u003e✅ \u003cstrong data-start=\"985\" data-end=\"1021\"\u003eDurable black powder coat finish\u003c\/strong\u003e resists rust and corrosion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1051\" data-end=\"1101\"\u003e\n\u003cp data-start=\"1053\" data-end=\"1101\"\u003e✅ \u003cstrong data-start=\"1055\" data-end=\"1072\"\u003eSold in pairs\u003c\/strong\u003e for rear axle installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1102\" data-end=\"1168\"\u003e\n\u003cp data-start=\"1104\" data-end=\"1168\"\u003e✅ \u003cstrong data-start=\"1106\" data-end=\"1153\"\u003eCompatible with factory or extended U-bolts\u003c\/strong\u003e (not included)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1170\" data-end=\"1173\"\u003e\n\u003ch3 data-start=\"1175\" data-end=\"1199\"\u003e🛠️ \u003cstrong data-start=\"1183\" data-end=\"1199\"\u003eInstallation\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul data-start=\"1200\" data-end=\"1544\"\u003e\n\u003cli data-start=\"1200\" data-end=\"1245\"\u003e\n\u003cp data-start=\"1202\" data-end=\"1245\"\u003e\u003cstrong data-start=\"1202\" data-end=\"1219\"\u003eInstall Time:\u003c\/strong\u003e Approximately 1–2 hours\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1246\" data-end=\"1307\"\u003e\n\u003cp data-start=\"1248\" data-end=\"1307\"\u003e\u003cstrong data-start=\"1248\" data-end=\"1265\"\u003eTools Needed:\u003c\/strong\u003e Basic hand tools, jack, and jack stands\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1308\" data-end=\"1435\"\u003e\n\u003cp data-start=\"1310\" data-end=\"1435\"\u003e\u003cstrong data-start=\"1310\" data-end=\"1327\"\u003eFitment Note:\u003c\/strong\u003e For use on rear leaf spring suspension only. Not compatible with coil springs or independent rear setups.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1436\" data-end=\"1544\"\u003e\n\u003cp data-start=\"1438\" data-end=\"1544\"\u003e\u003cstrong data-start=\"1438\" data-end=\"1463\"\u003eVehicle Requirements:\u003c\/strong\u003e Fits most lifted K10\/K20 models with 2.5\"-wide rear leaf springs and solid axle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1546\" data-end=\"1549\"\u003e\n\u003ch3 data-start=\"1551\" data-end=\"1575\"\u003e🧩 \u003cstrong data-start=\"1558\" data-end=\"1575\"\u003eCompatibility\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul data-start=\"1576\" data-end=\"1707\"\u003e\n\u003cli data-start=\"1576\" data-end=\"1613\"\u003e\n\u003cp data-start=\"1578\" data-end=\"1613\"\u003e\u003cstrong data-start=\"1578\" data-end=\"1599\"\u003eChevrolet K10\/K20\u003c\/strong\u003e (1973–1987)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1614\" data-end=\"1645\"\u003e\n\u003cp data-start=\"1616\" data-end=\"1645\"\u003e\u003cstrong data-start=\"1616\" data-end=\"1631\"\u003eGMC K15\/K25\u003c\/strong\u003e (1973–1987)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1646\" data-end=\"1707\"\u003e\n\u003cp data-start=\"1648\" data-end=\"1707\"\u003eRear axle only; 4WD models with leaf spring rear suspension\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1709\" data-end=\"1712\"\u003e\n\u003ch3 data-start=\"1714\" data-end=\"1740\"\u003e⚠️ \u003cstrong data-start=\"1721\" data-end=\"1740\"\u003eImportant Notes\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul data-start=\"1741\" data-end=\"2013\"\u003e\n\u003cli data-start=\"1741\" data-end=\"1834\"\u003e\n\u003cp data-start=\"1743\" data-end=\"1834\"\u003e⚠️ \u003cstrong data-start=\"1746\" data-end=\"1771\"\u003eU-bolts not included.\u003c\/strong\u003e Extended U-bolts are required when installing taller blocks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1835\" data-end=\"1932\"\u003e\n\u003cp data-start=\"1837\" data-end=\"1932\"\u003eDesigned for \u003cstrong data-start=\"1850\" data-end=\"1872\"\u003erear axle use only\u003c\/strong\u003e—not intended for front or coil spring suspension systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1933\" data-end=\"2013\"\u003e\n\u003cp data-start=\"1935\" data-end=\"2013\"\u003eDo \u003cstrong data-start=\"1938\" data-end=\"1951\"\u003enot stack\u003c\/strong\u003e with other blocks or use in combination with add-a-leaf kits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2015\" data-end=\"2018\"\u003e\n\u003ch3 data-start=\"2020\" data-end=\"2065\"\u003e🇺🇸 \u003cstrong data-start=\"2029\" data-end=\"2065\"\u003eBuilt in America. Built to Lift.\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp data-start=\"2066\" data-end=\"2329\"\u003eEach set of blocks is proudly fabricated in the USA with a focus on craftsmanship, strength, and accurate fitment. Whether you're adjusting ride height or gaining clearance for larger tires, these \u003cstrong data-start=\"2263\" data-end=\"2279\"\u003etrue-to-size\u003c\/strong\u003e, American-made lift blocks are ready for the job.\u003c\/p\u003e","brand":"Apoc Industries","offers":[{"title":"4Inch \/ No \/ No","offer_id":43946997186663,"sku":"4-003","price":224.32,"currency_code":"USD","in_stock":true},{"title":"4Inch \/ No \/ Yes","offer_id":43946997219431,"sku":"4-003+UB 5\/8 3R 14","price":344.8,"currency_code":"USD","in_stock":true},{"title":"4Inch \/ Yes \/ No","offer_id":43946997252199,"sku":"4-003+UB 3\/8 3SQ 4","price":271.02,"currency_code":"USD","in_stock":true},{"title":"4Inch \/ Yes \/ Yes","offer_id":43946997284967,"sku":"4-003 UB 5\/8 3R 14+UB 3\/8 3SQ 4","price":391.5,"currency_code":"USD","in_stock":true},{"title":"6 Inch \/ No \/ No","offer_id":43946997317735,"sku":"4-004","price":242.61,"currency_code":"USD","in_stock":true},{"title":"6 Inch \/ No \/ Yes","offer_id":43946997350503,"sku":"4-004+UB 5\/8 3R 16","price":375.09,"currency_code":"USD","in_stock":true},{"title":"6 Inch \/ Yes \/ No","offer_id":43946997383271,"sku":"4-004+UB 3\/8 3SQ 4","price":289.31,"currency_code":"USD","in_stock":true},{"title":"6 Inch \/ Yes \/ Yes","offer_id":43946997416039,"sku":"4-004+5\/8 3R 16+3\/8 3SQ 4","price":421.79,"currency_code":"USD","in_stock":true},{"title":"8 Inch \/ No \/ No","offer_id":43946997448807,"sku":"4-005","price":245.97,"currency_code":"USD","in_stock":true},{"title":"8 Inch \/ No \/ Yes","offer_id":43946997481575,"sku":"4-005+UB 5\/8 3R 18","price":390.63,"currency_code":"USD","in_stock":true},{"title":"8 Inch \/ Yes \/ No","offer_id":43946997514343,"sku":"4-005+UB 3\/8 3SQ 4","price":292.67,"currency_code":"USD","in_stock":true},{"title":"8 Inch \/ Yes \/ Yes","offer_id":43946997547111,"sku":"4-005+5\/8 3R 18+3\/8 3SQ 4","price":437.33,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1253\/4119\/files\/4-059-3_Blocks_221fc454-047f-4068-b221-9cc901ff6072.jpg?v=1781806833","url":"https:\/\/brooksplore.com\/products\/1973-1987-chevrolet-gmc-k10-k20-4-6-8-inch-lift-blocks","provider":"BrookSplore","version":"1.0","type":"link"}