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SKU: MB5875SI020 / UPC: 611500626517
King Engine Bearings GM Vortec/LS-Series Gen III Main Bearing Set
The King Engine Bearings GM Vortec/LS-Series Gen III Main Bearing Set is engineered for high-performance and reliability in GM Vortec and LS-Series Gen III engines. Crafted with precision, these bearings deliver unmatched durability and performance for demanding applications, making them the go-to choice for enthusiasts, racers, and professional engine builders. Designed with advanced bi-metal aluminum silicon base material, this set ensures robust load capacity and wear resistance, tailored for medium-load engines and nodular cast iron crankshafts. With King’s renowned Bull’s Eye Tolerance™ technology, each bearing offers precise wall thickness for a perfect fit, reducing wear and extending engine life. Whether you’re building a high-performance LS engine or restoring a Vortec-powered vehicle, this main bearing set is your ideal solution for lasting performance.
Why Choose King Engine Bearings?
- Precision Engineering: Manufactured with King’s proprietary Bull’s Eye Tolerance™ for consistent wall thickness, ensuring a precise fit and reduced engine noise, vibration, and oil flow issues.
- High-Performance Design: Bi-metal construction with 2.5-3% silicon strengthens the aluminum base, perfect for medium-load engines and nodular cast iron crankshafts, delivering reliable performance under stress.
- Trusted by Professionals: King Engine Bearings, established in 1960, is a global leader in bearing technology, trusted in automotive, racing, and industrial applications for quality and innovation.
- Wide Compatibility: Specifically designed for GM Vortec and LS-Series Gen III engines, ensuring seamless fitment across a broad range of vehicles (see fitment details below).
- Lead-Free Construction: Environmentally friendly, lead-free bi-metal material meets modern engine standards while maintaining high durability.
What’s Included in the Purchase:
- Main Bearing Set: 5 pairs of main bearings (bi-metal, aluminum silicon base).
- Size: 0.020" undersize for precise crankshaft fitment.
- Part Number: MB5875SI020
- UPC: 611500626517
- Warranty: Eligible for King’s manufacturer warranty
Fitment Details:
The King Engine Bearings MB5875SI020 Main Bearing Set is compatible with the following GM Vortec and LS-Series Gen III engines (4.8L, 5.3L, 5.7L, 6.0L):
-
Year, Make, Model, Submodel:
- 2004-2005 Buick Rainier: CXL, CXL Plus
- 1999-2007 Chevrolet Silverado 1500: Base, LS, LT, WT (4.8L, 5.3L, 6.0L)
- 1999-2007 Chevrolet Tahoe: Base, LS, LT, Z71 (4.8L, 5.3L)
- 2002-2006 Chevrolet Avalanche 1500: Base, LS, LT (5.3L)
- 2000-2006 Chevrolet Suburban 1500: Base, LS, LT (5.3L)
- 1999-2007 GMC Sierra 1500: Base, SLE, SLT, WT (4.8L, 5.3L, 6.0L)
- 2000-2006 GMC Yukon: SLE, SLT (4.8L, 5.3L)
- 2000-2006 GMC Yukon XL 1500: SLE, SLT (5.3L, 6.0L)
- 2001-2006 Cadillac Escalade: Base (5.3L, 6.0L)
- 2002-2006 Cadillac Escalade EXT: Base (6.0L)
- 2003-2006 Cadillac Escalade ESV: Base (6.0L)
- 1999-2007 Chevrolet Corvette: Base (5.7L)
- 1998-2002 Chevrolet Camaro: Z28, SS (5.7L)
- 1998-2002 Pontiac Firebird: Formula, Trans Am (5.7L)
- 2004 Pontiac GTO: Base (5.7L)
- Engine Compatibility: GM Vortec and LS-Series Gen III (4.8L, 5.3L, 5.7L, 6.0L), including LS1, LS6, LQ4, LQ9, LM7, L59, LR4, and other Gen III V8 engines.
Note: Always verify fitment with your specific engine and crankshaft specifications before purchasing.
Specifications:
- Material: Bi-metal (aluminum silicon base, 2.5-3% silicon).
- Bearing Type: OE-replacement, lead-free.
- Size: 0.020" undersize.
- Technology: Bull’s Eye Tolerance™ for precise wall thickness, enhanced oil clearance for reduced wear, and improved crankshaft finish compatibility.
- Application: Medium-load engines, ideal for stock and performance rebuilds with nodular cast iron crankshafts.
Weight and Shipping Dimensions:
- Weight: Approximately 1.2 lbs
- Shipping Box Dimensions: Approximately 11.51" L x 4.29" W x 2.5" H
Manufacturer Information:
King Engine Bearings, founded in 1960, specializes in high-quality engine bearings for automotive, racing, marine, aviation, and industrial applications. Their bi-metal SI-series bearings, like the MB5875SI020, are designed for OE-replacement and performance applications, offering precise fitment and durability.
Purchase Benefits:
- Quality Assurance: Each bearing is stamped with size specifications on the steel back, ensuring accurate installation.
- Warranty Support: Register your bearings via King’s i-King system to activate and track your warranty.
- Trusted by Racers: Proven in high-performance LS builds, including drag racing and motorsport applications.
Disclaimer: Always confirm part fitment with your vehicle’s specifications and consult a professional mechanic for installation.
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