King Bearing MB 557XPSTDX SBC Main Bearings, XP-Series, Extra Oil Clearance, Stock, 1/2 Groove, Set of 5

$76.56
(No reviews yet) Write a Review
SKU:
KNGMB557XPSTDX
MPN:
MB 557XPSTDX
UPC:
611500530180
Condition:
New
Weight:
1.19 LBS
Shipping:
Calculated at Checkout

Applies To Continental U.S. orders only

Adding to cart… The item has been added

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.):
Stock
Coated:
No
Narrow Bearing:
No
Dowel Pin Hole:
Yes
Grooved Bearing:
Yes
Groove Location:
Upper
Groove Style:
1/2
Quantity:
Sold as a set of 5.
Notes:
Bearings have 0.001 in. more clearance than stock
Make:
Chevrolet
Engine Family:
Chevy small block Gen I
Engine Sizes:
4.3L/262-5.7L/350
Years:
1967-2002