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Main Bearings, AM-Series, 1/2 Groove, .020 in. Crankshaft Undersize, Bi Metal, Chrysler, 170, 198, 225, Set of 4
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Estimated Ship Date: Apr 20, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
MB 438AM 020
Part Type:
Product Line:
Summit Racing Part Number:
KGB-MB438AM020
UPC:
611500155826
Bearing Usage:
Performance
Engine Crankshaft Undersize (in.):
0.020 in.
Engine Crankshaft Undersize (mm):
0.50mm
Grooved Bearing:
Yes
Groove Location:
Upper
Groove Style:
1/2
Thrust Bearing Oversize:
Maximum
Bearing Material:
Alecular silicon
Quantity:
Sold as a set of 4.
King AM-Series Main Bearings
King AM-Series main bearings are recommended for street or marine applications. These crankshaft bearings have superior embeddability, which provides greater macro-particle to reduce scratching of the crank journals and tearing or weakening of the Babbitt overlays. King AM-Series main bearings feature tolerance control to within plus or minus .0001—and they're lead-free, making them environmentally-friendly and user-safe. Hundreds of performance sets are available; order the replacement bearings designed to fit your vehicle.
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Some parts are not legal for use in California or other states with similar laws / regulations
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