MB 445SI

TECH DATA

SUITABLE FOR ENGINES

CROSS REFERENCE

AVAILABLE SIZES

TECH DATA

SUITABLE FOR ENGINES

CROSS REFERENCE

AVAILABLE SIZES

Upper

Lower

Oty.

Position

Crankshaft

Housing

Part No.

Max Wall Thickness

SI SI 3 1,2,3 62.21 / 62.19 67.09 / 67.07 20.4 2.426
SI SI 1 4 62.20 / 62.18 67.09 / 67.07 See AVAILABLE SIZES 2.426

Engine Results

ENGINE MAKER

ENGINE CONFIG

BORE X STORKE

DETAILS

General Motors

3.3L / 3277CC V6

88.9 X 88.4 mm

M,Chevrolet OHV

General Motors

3.8L / 3753CC V6

94.9 X 88.4 mm

K,Chevrolet OHV

General Motors

3.8L / 3753CC V6

94.9 X 88.4 mm

Buick OHV

General Motors

3.8L / 3753CC V6

94.9 X 88.4 mm

K,Buick OHV

General Motors

3.8L / 3753CC V6

94.9 X 88.4 mm

9,Chevrolet OHV

General Motors

4.3L / 4293CC V6

101.6 X 88.4 mm

LB4,Z OHV

General Motors

4.3L / 4293CC V6

101.6 X 88.4 mm

LU3,X,Vortec OHV

General Motors

4.3L / 4293CC V6

101.6 X 88.4 mm

LU2,B,Chevrolet OHV

General Motors

4.3L / 4293CC V6

101.6 X 88.4 mm

LB1,N,Chevrolet OHV

General Motors

4.3L / 4293CC V6

101.6 X 88.4 mm

L35,W,Vortec OHV

General Motors

4.3L / 4293CC V6

101.6 X 88.4 mm

L35,W,Vortec OHV

General Motors

4.3L / 4293CC V6

101.6 X 88.4 mm

LU3,X,Vortec OHV

General Motors

4.3L / 4294CC V6

101.6 X 88.4 mm

X,Vortec OHV

General Motors

4.3L / 4300CC V6

101.6 X 88.4 mm

LU3 OHV

General Motors

4.3L / 4300CC V6

101.6 X 88.4 mm

LB4 OHV

General Motors

4.3L / 4300CC V6

101.6 X 88.4 mm

LU3 OHV

Chevrolet

4.3L / 4300CC V6

101.6 X 88.4 mm

LB4 OHV

Chevrolet

4.3L / 4300CC V6

101.6 X 88.4 mm

LU3 OHV

Oldsmobile

4.3L / 4300CC V6

101.6 X 88.4 mm

LB4 OHV

Make
Reference

SUPERSEDED BY

MB 445AM

SUPERSEDED BY

MB 445CP

ACL

4M1454A-STD

ACL

4M1454P-STD

CLEVITE

MS-1454A

CLEVITE

MS-1454P

FMOGUL

5085M

FMOGUL

5085MA

METALEVE

BC-317-J

Part No.

Size

Flange

Notes

MB 445SI FL STD [43.64/43.59]
MB 445SI 001 001 FL ON MAX [43.67/43.62]
MB 445SI 010 010 FL ON MAX [43.67/43.62]
MB 445SI 020 020 FL ON MAX [43.67/43.62]
MB 445SI 030 030 FL ON MAX [43.67/43.62]
MB 445SI 040 040 FL ON MAX [43.67/43.62]
MB 445SI 050 050 FL ON MAX [43.67/43.62]
MB 445SI 060 060 FL O/S 010 " [43.89/43.84]
MB 452SI FL STD [43.64/43.59] Optional To: MB 445SI, housing bore +.020"
MB 452SI 010 010 FL ON MAX [43.67/43.62] Optional To: MB 445SI, housing bore +.020"
MB 452SI 020 020 FL ON MAX [43.67/43.62] Optional To: MB 445SI, housing bore +.020"
MB 452SI 030 030 FL ON MAX [43.67/43.62] Optional To: MB 445SI, housing bore +.020"
MB 452SI 040 040 FL ON MAX [43.67/43.62] Optional To: MB 445SI, housing bore +.020"
MB4530SI FL STD [43.64/43.59] Optional To: MB 445SI, flange O/S .020"
MB4530SI 010 010 FL O/S 020" [44.14/44.09] Optional To: MB 445SI, flange O/S .020"
MB4530SI 020 020 FL O/S 020" [44.14/44.09] Optional To: MB 445SI, flange O/S .020"