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Michigan Motorsports LS Main Crank Bearings Standard Size SI-Series | Fits Gen III/IV 4.8L 5.3L 5.7L 6.0L 6.2L LS Engines | Complete Bearing Set for Stock or Performance Builds

Product ID: 439291451

Details

Bearing Number
LS 1
Bearing Type
Ball Bearing
Brand
Michigan
Material
Aluminum
Specification Met

🔥Bi-metal silicon aluminum build

🔧Fits Gen III/IV LS engines

⚙️5-piece complete bearing set

S$129

Duties & taxes included

In stock

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Description

⚡ Power your LS build with precision and durability — don’t settle for less!

SMOOTH OPERATOR - Improved crankshaft surface conformity reduces vibration and noise for a quieter ride.
STREET READY RELIABILITY - Designed for both stock refreshes and high-output LS builds with dependable oil control.
COMPLETE ENGINE CONFIDENCE - Full set of five standard-size main bearings for seamless LS rebuilds and performance builds.
DURABILITY MEETS PERFORMANCE - Bi-metal silicon aluminum construction ensures superior load capacity and wear resistance.
PRECISION FIT FOR LS POWERHOUSES - Engineered to fit 4.8L to 6.2L Gen III/IV LS engines including LS1, LS3, LQ4, and more.

Michigan Motorsports LS Main Crank Bearings SI-Series offer a complete set of five standard-size bearings designed for Gen III and IV LS engines from 4.8L to 6.2L. Crafted with bi-metal silicon aluminum for enhanced durability and wear resistance, these bearings improve crankshaft conformity, reduce vibration, and ensure reliable oil control—perfect for stock rebuilds and performance upgrades alike.

Specifications

ASIN	B099KNX6Z3
Bearing Number	LS 1
Bearing Type	Ball Bearing
Best Sellers Rank	#42,838 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Replacement Engine Main Bearings
Brand Name	Michigan Motorsports
Compatible Lubricant	Oil
Customer Reviews	4.7 4.7 out of 5 stars (119)
Included Components	(1) Complete Main Bearing Kit
Manufacturer	Michigan Motorsports
Material Type	Aluminum,Silicon
Model	Ai261
Number of Items	1
Part Number	Ai261
Set Name	Standard Size SI-Series
Specification Met	Manufacturer's Specifications
Unit Count	1 Count
Warranty Description	30 days

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TrustScore 4.5 | 7,300+ reviews

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