{"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":"\u003ch2\u003e\u003cstrong\u003e1973–1987 Chevy \/ GMC K10 \/ K20 Rear Lift Blocks | 4\", 6\", 8\"\u003c\/strong\u003e\u003c\/h2\u003e\n\n\u003cp\u003eThe square-body K10 and K20 are one of the most iconic platforms in truck history — and they're still being built out with bigger tires, lifted suspension, and custom stance. The \u003cstrong\u003eApoc Industries Fabricated Steel Lift Blocks\u003c\/strong\u003e are built specifically for 1973–1987 K10\/K20 fitment, delivering true-to-size rear lift with the welded steel construction and corrosion-resistant finish these classic trucks deserve.\u003c\/p\u003e\n\n\u003cp\u003eFits \u003cstrong\u003e1973–1987 Chevrolet and GMC K10 and K20 4WD trucks\u003c\/strong\u003e with rear leaf spring suspension. Available in 4\", 6\", and 8\" lift heights. Sold as a pair. Built in the USA.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFabricated Steel Construction:\u003c\/strong\u003e Heavy-duty welded steel built for rugged use — stronger than cast alternatives.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTaper for Pinion Correction:\u003c\/strong\u003e Built-in taper helps correct driveline angle to reduce vibration at lift height.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrue-to-Size Lift Heights:\u003c\/strong\u003e Listed height equals actual lift achieved — no guessing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSatin Black Powder Coat:\u003c\/strong\u003e Durable corrosion-resistant finish suited for older trucks in tougher environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSold as a Pair:\u003c\/strong\u003e Both rear blocks included.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSA-Made:\u003c\/strong\u003e Built by Apoc Industries.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2x fabricated steel lift blocks (sold as a pair)\u003c\/li\u003e\n  \u003cli\u003eOptional: extended U-bolts available at checkout\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEst. Install Time:\u003c\/strong\u003e 1–2 hours\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTools Required:\u003c\/strong\u003e Basic hand tools, jack, jack stands\u003c\/li\u003e\n  \u003cli\u003eExtended U-bolts required — factory U-bolts will not work with increased block height\u003c\/li\u003e\n  \u003cli\u003eRear leaf spring suspension only — not for coil spring or IRS applications\u003c\/li\u003e\n  \u003cli\u003eAlignment recommended after installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1973–1987 Chevrolet K10 and K20 (4WD)\u003c\/li\u003e\n  \u003cli\u003e1973–1987 GMC K10 and K20 (4WD)\u003c\/li\u003e\n  \u003cli\u003eRear leaf spring suspension only\u003c\/li\u003e\n  \u003cli\u003eAvailable lift heights: 4\", 6\", 8\"\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eAlso From Apoc for C\/K Trucks\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/1988-1998-chevrolet-gmc-c1500-k1500-rear-lift-blocks-4-5-6-7-8-compound-taper-anti-wrap\"\u003e\u003cstrong\u003e1988–1998 C1500 \/ K1500 Compound Taper Lift Blocks\u003c\/strong\u003e\u003c\/a\u003e — next generation version with compound taper\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/1988-2000-chevrolet-gmc-k2500-k3500-4-6-8-inch-lift-blocks\"\u003e\u003cstrong\u003e1988–2000 K2500 \/ K3500 Lift Blocks\u003c\/strong\u003e\u003c\/a\u003e — heavy-duty 8-lug version\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/blogs\/news\"\u003e\u003cstrong\u003eApoc Build Blog\u003c\/strong\u003e\u003c\/a\u003e — classic truck suspension guides\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Apoc Industries","offers":[{"title":"4Inch \/ No \/ No","offer_id":51007437832449,"sku":"4-003","price":259.09,"currency_code":"USD","in_stock":true},{"title":"4Inch \/ No \/ Yes","offer_id":51007437865217,"sku":"4-003+UB 5\/8 3R 14","price":367.53,"currency_code":"USD","in_stock":true},{"title":"4Inch \/ Yes \/ No","offer_id":51007437897985,"sku":"4-003+UB 3\/8 3SQ 4","price":301.13,"currency_code":"USD","in_stock":true},{"title":"4Inch \/ Yes \/ Yes","offer_id":51007437930753,"sku":"4-003 UB 5\/8 3R 14+UB 3\/8 3SQ 4","price":409.57,"currency_code":"USD","in_stock":true},{"title":"6 Inch \/ No \/ No","offer_id":51007437963521,"sku":"4-004","price":280.21,"currency_code":"USD","in_stock":true},{"title":"6 Inch \/ No \/ Yes","offer_id":51007437996289,"sku":"4-004+UB 5\/8 3R 16","price":399.45,"currency_code":"USD","in_stock":true},{"title":"6 Inch \/ Yes \/ No","offer_id":51007438029057,"sku":"4-004+UB 3\/8 3SQ 4","price":322.25,"currency_code":"USD","in_stock":true},{"title":"6 Inch \/ Yes \/ Yes","offer_id":51007438061825,"sku":"4-004+5\/8 3R 16+3\/8 3SQ 4","price":441.49,"currency_code":"USD","in_stock":true},{"title":"8 Inch \/ No \/ No","offer_id":51007438094593,"sku":"4-005","price":284.1,"currency_code":"USD","in_stock":true},{"title":"8 Inch \/ No \/ Yes","offer_id":51007438127361,"sku":"4-005+UB 5\/8 3R 18","price":414.3,"currency_code":"USD","in_stock":true},{"title":"8 Inch \/ Yes \/ No","offer_id":51007438160129,"sku":"4-005+UB 3\/8 3SQ 4","price":326.14,"currency_code":"USD","in_stock":true},{"title":"8 Inch \/ Yes \/ Yes","offer_id":51007438192897,"sku":"4-005+5\/8 3R 18+3\/8 3SQ 4","price":456.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/4610\/2273\/files\/4-059-3_Blocks_221fc454-047f-4068-b221-9cc901ff6072.jpg?v=1793452927","url":"https:\/\/fphpro.com\/products\/1973-1987-chevrolet-gmc-k10-k20-4-6-8-inch-lift-blocks","provider":"Flako performance house llc","version":"1.0","type":"link"}