King Bearing MB 557XP-021 SBC Main Bearing, XP-Series, .021 in. Undersize, 1/2 Groove, Set of 5

$76.56
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SKU:
KNGMB557XP021
MPN:
MB 557XP 021
UPC:
611500530142
Condition:
New
Weight:
1.25 LBS
Shipping:
Calculated at Checkout

Applies To Continental U.S. orders only

Out of stock

Today's race engines make more power than ever before. Yesterday's engine bearing load capacity no longer works today' and tomorrow's race engines will be even more powerful. There's a need to meet these demands with higher bearing design standards and improved materials.

XP Series are made of Tri-Metal Copper-lead, Hardened Overlay. They are best suited for Circle track, drag racing, off-shore and other applications using steel crankshafts.
Usage:
Performance
Material:
Tri-metal copper-lead nickel
Engine Crankshaft Undersize (in.):
0.021 in.
Coated:
No
Narrow Bearing:
No
Dowel Pin Hole:
No
Grooved Bearing:
Yes
Groove Location:
Upper
Groove Style:
1/2
Quantity:
Sold as a set of 5.
Make:
Chevrolet
Engine Family:
Chevy small block Gen I
Engine Sizes:
4.3L/262-5.7L/350
Years:
1967-2002