BUICK

Cyl.
Engine
Bore		 Years
Comp.
Ratio		 NOTES: Part No.
Sizes		 Rings O.E. Assy.
No.		 O.E. Casting
No.		 Head
Shape
V8 350
5.7 L
4.057(IN)
103(MM)

OLDSMOBILE
ENGINE
1977-79

8.0
VIN R. 2.92" dia. head recess .215" deep.

APPROXIMATE HEAD VOLUME=21cc

Comp. Ht. 1.595
Pin Dia..9805 Offset
1633
Std.
.020
.030
.040
.060
2-5/64
1-3/16
231433-37
411891
V8 350
5.7 L
4.057(IN)
103(MM)

OLDSMOBILE
ENGINE
1980-85

22.5
LF9 Diesel. 2 large valve reliefs with fire slot. Replace in full sets only.

APPROXIMATE HEAD VOLUME=5cc

Comp. Ht. 1.770
Pin Dia..1.095 Offset
1637DLR
Std.
.020
.030
.040
2-5/64
1-3/16

Iron Top
Groove
560946
560955
22506674
22506678
22519229
22519232
558386
22511940
22520325
V8 400
6.6 L
4.120(IN)
104.6(MM)

PONTIAC
ENGINE
1967-79

8.2
Eight valve reliefs. For use in either 1st or 2nd type engines.

APPROXIMATE HEAD VOLUME=10cc

Comp. Ht. 1.700
Pin Dia..9805 Offset
1526
Std.
.020
.030
.040
.060
2-5/64
1-3/16
478810
497033
V8 403
6.6 L
4.351(IN)
110.5(MM)

OLDSMOBILE
ENGINE
1977-78

7.9
3.23" dia. head recess .146" deep.

APPROXIMATE HEAD VOLUME=18.5cc

Comp. Ht. 1.595
Pin Dia..9805 Offset
1635
Std.
.020
.030
.040
2-5/64
1-3/16
556265
554908
V8 430
7.0 L
4.1875(IN)
106.4(MM)

BUICK
ENGINE
1967-69

9.9
3.48" dia. head recess .09" deep.

APPROXIMATE HEAD VOLUME=13.5cc

Comp. Ht. 1.942
Pin Dia..9997 Offset
1728
Std.
.020
.030
.040
.060
2-5/64
1-3/16
1395521
1394210
1367298
V8 455
7.5 L
4.3125(IN)
109.5(MM)

BUICK
ENGINE
1970-76

8.4
3.61" dia. head recess .245" deep.

APPROXIMATE HEAD VOLUME=33cc

Comp. Ht. 1.955
Pin Dia..9997 Offset
1730
Std.
.020
.030
.040
.060
2-5/64
1-3/16
1394671
1394852
1231733
1237454B
* NEW PISTON, AVAILABLE NOW
**NEW PISTON, CHECK FOR AVAILABILITY
Page 16

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