Exterior Components› Body Panels and Components

King Engine Bearings

King Engine Bearings General Motors L40/Ld2/Lf0 2.3L (Size +1.0mm) Main Bearing Set

$52.06

SKU: K006 MB5590SI1.0

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

Part #: MB5590SI1.0

MAIN BEARING SET For GENERAL MOTORS L40, LD2, LF0 2.3L | bimetal (aluminum silicon base)

MIA's Description

The King Engine Bearings MB5590SI1.0 is a set of SI-Series main bearings designed for OE applications and aftermarket engine rebuilding. These bearings feature a silicon aluminum bi-metal construction with a 1.00mm crankshaft undersize. They are grooved, with the groove located in the upper position and a 1/2 groove style. The set includes 5 bearings and is intended as a direct replacement.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandKing Engine Bearings
Part NumberK006 MB5590SI1.0

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy