{"product_id":"goopool-ls-swap-motor-mounts-for-1973-1998-square-body-obs-trucks-adjustable-cold-rolled-steel","title":"Goopool LS Swap Motor Mounts for 1973–1998 Square Body\/OBS Trucks — Adjustable Cold‑Rolled Steel","description":"\u003cp\u003e\u003cstrong\u003eGoopool LS Swap Motor Mounts are adjustable steel brackets engineered to install LS and Vortec engines into 1973–1998 Square Body and OBS Chevy\/GMC trucks.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese conversion mounts let builders replace original small-block V8s with modern LS-series or Vortec truck engines while retaining common transmissions and factory-style engine placement. Manufactured from high-carbon cold-rolled steel with slotted adjustment, the kit supports both 2WD and 4WD full-size C\/K trucks, Suburbans, Blazers, and SUVs across multiple model years.\u003c\/p\u003e\n\n\u003ch3\u003eWhich engines and transmissions will these mounts accept?\u003c\/h3\u003e\n\u003cp\u003eThe brackets are compatible with virtually all Chevrolet LS engines and many Vortec truck V8s. They accommodate standard bellhousing patterns and are designed to work with a wide range of automatic transmissions commonly used in swaps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits LS series: LS1, LS2, LS3, LS6, LS7, LS9 and GM 4.8L–6.2L (1997–2014)\u003c\/li\u003e\n  \u003cli\u003eSupports 1999–2013 Vortec truck engines: 4.8L, 5.3L, 6.0L, 6.2L\u003c\/li\u003e\n  \u003cli\u003eTransmissions: 4L60E, 4L65E, TH350, TH400, TH700R4, 4L80 and similar\u003c\/li\u003e\n  \u003cli\u003eMount pattern: LS\/Vortec bellhousing compatibility retained\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these mounts fit my truck—Square Body or OBS?\u003c\/h3\u003e\n\u003cp\u003eThe kit was developed specifically for classic Chevrolet\/GMC full-size platforms produced from 1973 through 1998. Mount geometry matches the factory frame and clamshell-style mounting points used on many original small-block installations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1973–1987 Square Body C\/K trucks, Suburban, K5 Blazer, Silverado, C10\/C20\/C30\u003c\/li\u003e\n  \u003cli\u003e1988–1998 OBS C\/K trucks and SUVs including Suburban, Tahoe, Blazer, C1500–C3500\u003c\/li\u003e\n  \u003cli\u003eSupports vehicles that originally used clamshell-style mounts (305, 350, 400, 5.0L, 5.7L)\u003c\/li\u003e\n  \u003cli\u003eWorks for both 2WD and 4WD chassis with common frame mounts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do the mounts adjust and help with installation challenges?\u003c\/h3\u003e\n\u003cp\u003eEach bracket includes slotted holes to fine-tune engine position forward, back, or laterally for clearance and drivetrain alignment. The adjustability simplifies clearance checks for steering, exhaust, and accessory drives during mock-up and final installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSlotted adjustment for precise engine placement in the engine bay\u003c\/li\u003e\n  \u003cli\u003eAllows use of many standard automatic transmissions without custom bellhousing work\u003c\/li\u003e\n  \u003cli\u003eCold-rolled steel construction for rigidity during torque and load cycles\u003c\/li\u003e\n  \u003cli\u003ePre-drilled and sized for easier bolt-up to common LS\/Vortec accessory patterns\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability features should I expect?\u003c\/h3\u003e\n\u003cp\u003eThese motor mounts are made from high-carbon cold-rolled steel for consistent thickness and strength, with accurate accessory sizing to reduce fitment surprises. The design focuses on stability and repeatable installation for both home builders and professional shops.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-carbon cold-rolled steel for improved stiffness and wear resistance\u003c\/li\u003e\n  \u003cli\u003eAccurate hole patterns and dimensions to match factory and aftermarket components\u003c\/li\u003e\n  \u003cli\u003eBuilt to withstand typical swap loads and drivetrain forces\u003c\/li\u003e\n  \u003cli\u003eCustomer support and replacement options available for manufacturing issues\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These Goopool LS Swap Motor Mounts are intended for classic Chevy and GMC truck owners, restorers, and custom builders who want to modernize powertrains with LS-series or Vortec engines while keeping common transmissions and factory mounting locations. They’re best for hands-on mechanics and shops performing engine conversions on Square Body and OBS-era C\/K trucks, Suburbans, Blazers, and full-size SUVs seeking a durable, adjustable bracket solution.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these mounts work with my 5.3L Vortec engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — they support 1999–2013 Vortec 4.8L, 5.3L, 6.0L and 6.2L truck engines with standard LS\/Vortec patterns.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use my existing transmission with these brackets?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most common automatics like 4L60E, TH350, TH400, 4L80 fit without changing bellhousing patterns.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Goopool","offers":[{"title":"Default Title","offer_id":67586937815225,"sku":"B09W4DZHLS","price":115.11,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/goopool-front-mounted-brackets.jpg?v=1790497450","url":"https:\/\/redleafauto.ca\/products\/goopool-ls-swap-motor-mounts-for-1973-1998-square-body-obs-trucks-adjustable-cold-rolled-steel","provider":"Redleaf Auto","version":"1.0","type":"link"}