Engines and Components› Engine Bearings

Clevite

ELECTRIC MOTOR 24V 2.1KW

$648.43

SKU: C003 MM 270

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

Moderate — 2–4 hours

Description

Clevite Crankshaft Main Bearing Set, MPN MM 270, are high-quality replacement main bearings designed for engine rebuilding. They are often referred to as "Clevite 77" bearings, known for their durability and precision. The specific item found on eBay, MS 1821 AL - .50MM, indicates a specific size for a crankshaft main bearing set, suggesting these are oversized bearings for a crankshaft that has been ground down. The bearings are sealed and made in Japan, according to the product listing. The price for this specific set is $45.00 on eBay, with $8.99 shipping.

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

BrandClevite
Part NumberC003 MM 270

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