Main Bearing Caps Billet Steel FORD 351W 4 Straight Bolts w/ Register 3 Cap Set

Description

New in box! Billet Steel Main Bearing Caps
C.A.T. part # MB-351W
For: Ford 351W Windsor
3 Caps for block center bearings only
4 Straight bolts with bottom register.
Includes new outer bolts for conversion.
Can be used to convert 2 bolt blocks to 4 bolt or use as a better 4 bolt cap.
*********** MACHINE SHOP WORK IS REQUIRED ***********Line bore must be done after installation. Also, some clearancing may be needed for register step. When converting from 2 bolt to 4 bolt, drilling and tapping must also be done.
These billet steel main bearing caps not only strengthen factory 2-bolt blocks, but they will also add strength to 4-bolt blocks. They're made from machined, low carbon steel.  These caps have a register step, which will prevent cap walk.
Small item at side of pictures is a drill bit sleeve to drill additional holes to convert to a 4 bolt main block. Tapping must also be done.
Box is not perfect but caps and bolts are new and wrapped.
NO RETURNS!!!!
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