General Motors  1986-1989  3800 CC  96.5 X 86.4  6  LC2,7,Buick 

Products

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Set

Image

Part No.

Qty.

Position

Crankshaft

Housing

Length

Max Wall Thickness
CR6616SI
bimetal (aluminum silicon base)
C6616-SI


6 Pairs





57.14 / 57.12


60.31 / 60.30


16.7


1.570


CS 415BB
1977-1985 bimetal (babbitt)
S 415/1-


S 415/2-


1


3


1


2-3-4


45.36 / 45.34


45.36 / 45.34


48.70 / 48.65


48.70 / 48.65


19.3


15.9


1.631


1.631


CS 420BB
360 degrees oil groove (position 1) 1977-1985 bimetal (babbitt)
S 420/1-


S 420/2-


1


3


1


2-3-4


45.36 / 45.34


45.36 / 45.34


48.70 / 48.65


48.70 / 48.65


19.2


15.9


1.631


1.631


CS 421BB
1985-1990 bimetal (babbitt)
S 421/1-


S 421/2-


2


2


1,4


2-3


45.36 / 45.34


45.36 / 45.34


49.21 / 49.16


48.70 / 48.65


19.3


15.9


1.887


1.631


MB 443SI
bimetal (aluminum silicon base) New Item
M 443U-SI
M 443L-SI

F 443U-SI
F 443L-SI

M 443U-SI
M 443L1-SI

2 Pairs


1 Pair


1 Pair


1,3


2


4


63.50 / 63.47


63.50 / 63.47


63.50 / 63.47


68.28 / 68.25


68.28 / 68.25


68.28 / 68.25


22.0


27.0


22.0


2.375


2.375


2.375


Optional Products

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Set

Image

Part No.

Qty.

Position

Crankshaft

Housing

Length

Max Wall Thickness
MB 443AM
Superseded By: MB 443SI Optional To MB 443XP: Material Version (Bi-Metal) bimetal (aluminum base)
M 443U-AM
M 443L-AM

F 443U-AM
F 443L-AM

M 443U-AM
M 443L1-AM

2 Pairs


1 Pair


1 Pair


1,3


2


4


63.50 / 63.47


63.50 / 63.47


63.50 / 63.47


68.28 / 68.25


68.28 / 68.25


68.28 / 68.25


22.0


27.0


22.0


2.375


2.375


2.375


MB 443XP
Optional To MB 443SI: Material Version (pMax Black) Race bearings, Trimetal [pMax Black]
M 443U-PR-SX
M 443L-PR-SX

F 443U-PR-SX
F 443L-PR-SX

M 443U-PR-SX
M 443L1-PR-SX

2 Pairs


1 Pair


1 Pair


1,3


2


4


63.50 / 63.47


63.50 / 63.47


63.50 / 63.47


68.28 / 68.25


68.28 / 68.25


68.28 / 68.25


22.0


27.0


22.0


2.375


2.375


2.375


Engine Group

Products can be used also for the following engines:

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Engine Make Engine Year CC BoreXStroke CYL Models

Suitable For Models

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Make Models Year