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King Engine Bearings

King Engine Bearings Main Bearing Set

MPN: mb 557xp 020 Catalog #: 001515425 Category: Main Bearings Check Vehicle Fitment

Product Details

Main Bearing - XP - 0.020 in Undersize - Small Block Chevy - Kit

Vehicle Fitment

Universal or product-specific fitment. Please review the product details and contact us if you need help confirming fitment before ordering.

Engine Compatibility

GM - SBCMatched variant: Small Block Chevy

Small Block Chevy; 265–400ci

Fitment note: Engine compatibility is provided as a guide. Please verify all fitment details before ordering.

Product Specs

Brand
King Engine Bearings
Part Number
mb 557xp 020
Catalog Number
001515425
Product Line
Main Bearings
Category
Engines & Parts
Type
Main Bearings
UPC / Barcode
611500530210
Length
11.60 in
Width
4.45 in
Height
2.30 in
Weight
1.53 lb
Ship Alone
No
Air Restricted
No

Shipping & Availability

Current status 2 Available - Ready to ship
Estimated timing Usually ships within 24hrs

This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.

Inventory shown: 2 available as of 6/3/2026.

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