#30

Block Casting number: 14101148, 14093638, 14088548, 10054727, *526

Aprox. Year: 1986-1987

1 piece rear main seal.

Valve covers  bolt around perimeter.

2 bolt main. 260 hp aprox.

Block Casting number: *880

Aprox. Year: 1995-1999

1 piece rear main seal.

Roller cam.

6 bolt timing cover plastic.

Mechanical or electric fuel pump.

12 bolt intake.

260 hp aprox.

Block Casting number: *880

Aprox. Year: 1996-2012

1 piece rear main seal.

6 bolt timing cover plastic.

8 bolt intake.

Mechanical or electric fuel pump.

260 hp aprox.

Block Casting number: 14102058, 14093627, 14088551,

*535

Aprox. Year: 1987-1999

1 piece rear main seal.

Valve covers bolt down center.

10 bolt metal timing cover.

12 bolt intake.

#23

Block Casting number: 10114182,

*297, *313

Aprox. Year: 1991-1997

1 pieces rear main seal.

Oval intake port heads.

10 bolt timing cover.

#44

Volvo:3853130, 3853138

Mercruiser:814702

#54

Gasket Set 4.1L (6 In Line)

(Excluded Intake Gasket)

Block Casting number: 14101148, 14093638, 14088548, 10054727, *526

Aprox. Year: 1986-1987

1 piece rear main seal.

Valve covers  bolt around perimeter.

2 bolt main. 260 hp aprox.

Block Casting number: 14102058, 14093627, 14088551,

*535

Aprox. Year: 1987-1999

1 piece rear main seal.

Valve covers bolt down center.

10 bolt metal timing cover.

12 bolt intake.