{"product_id":"main-bearing-set-203","title":"Sealed Power 4664M10 Main Bearing Set 0.010in Undersize — Fits Big Block Buick","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout Sealed Power\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eSealed Power engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Sealed Power lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eSealed Power 4664M10 Main Bearing Set: Precision for Big Block Buick Engines\u003c\/h2\u003e\u003cp\u003eBring your Big Block Buick engine back to life with the precision and quality of the Sealed Power 4664M10 Main Bearing Set. This meticulously crafted kit is engineered for a 0.010 inch undersize application, making it the ideal choice for Buick crankshafts that have undergone light machining during a rebuild. Sealed Power is a trusted name in engine components, known for delivering parts that meet or exceed OEM specifications, ensuring optimal performance and longevity for your classic or performance Buick.\u003c\/p\u003e\u003ch3\u003eEngineered for Buick's Unique Powerplants\u003c\/h3\u003e\u003cp\u003eThe 4664M10 main bearings are manufactured from high-grade materials, providing exceptional resistance to wear, fatigue, and corrosion – critical factors for the unique demands of Big Block Buick engines. Their design ensures consistent oil film thickness, which is essential for minimizing friction and heat, thereby protecting your crankshaft and extending the overall life of your engine. Whether you're restoring a vintage muscle car or building a custom hot rod, these bearings provide the foundational strength you need.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision Undersize:\u003c\/b\u003e 0.010 inch (0.25mm) for lightly machined crankshafts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEngine Compatibility:\u003c\/b\u003e Specifically designed for Big Block Buick engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDurable Construction:\u003c\/b\u003e Withstands high engine loads and temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOptimized Lubrication:\u003c\/b\u003e Promotes efficient oil flow and reduced friction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eComprehensive Kit:\u003c\/b\u003e Includes all necessary main bearings for a complete overhaul.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Right Choice for Your Buick Rebuild\u003c\/h3\u003e\u003cp\u003eWhen investing in a Big Block Buick engine rebuild, the quality of your main bearings directly impacts the success and longevity of your project. The Sealed Power 4664M10 set offers the perfect blend of precision, durability, and fitment, ensuring your crankshaft receives the critical support it requires. Trust in Sealed Power's legacy of excellence to provide the essential components your Big Block Buick needs to perform flawlessly. Explore this and other premium engine parts at GGCRACING.COM.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular Sealed Power products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/speed-pro-performance-2015-x3009-r1006\" style=\"color:#0066cc;text-decoration:none;\"\u003eSealed Power Speed Pro Performance Street Catalog – 2015 Edition\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/cam-bearing-set-36\" style=\"color:#0066cc;text-decoration:none;\"\u003eSealed Power Cam Bearing Set Standard Journal — Fits Small Block Chevy V8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/main-bearing-spacer-set\" style=\"color:#0066cc;text-decoration:none;\"\u003eSealed Power Main Bearing Spacer Set Standard — Fits 351C Crank in SBF\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/rod-bearing-171\" style=\"color:#0066cc;text-decoration:none;\"\u003eSealed Power 1555CPA10 Connecting Rod Bearing - 0.010 in Undersize - Pontiac V8\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/rod-bearing-172\" style=\"color:#0066cc;text-decoration:none;\"\u003eSealed Power Rod Bearing 0.020 Undersize — Fits Pontiac V8 Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Sealed Power 4664M10 Main Bearing Set 0.010in Undersize \\u2014 Fits Big Block Buick\",\"description\":\"Restore your Big Block Buick with the Sealed Power 4664M10 Main Bearing Set. 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Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for Sealed Power?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the Sealed Power 4664M10 Main Bearing Set 0.010in Undersize \\u2014 Fits Big Block Buick?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most plug-and-play LED upgrades take 15-30 minutes per side. 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