OLDSMOBILE
Cyl.
Engine
Bore		 Years
Comp.
Ratio		 NOTES: Part No.
Sizes		 Rings O.E. Assy.
No.		 O.E. Casting
No.		 Head
Shape
V6-173
2.8L
3.504(IN)
89(MM)

CHEVY
ENGINE
1985-91

8.5
Flat head, used in some 1463 applications but will not be destroked, check ring pack.

Comp. Ht. 1.599
Pin Dia..9055 Offset
1478
STD.
.5mm
.75mm
1.0mm
1.5mm
1-1.5mm
1-2.0mm
1-4.75mm
Shallow
Groove
14091814
14077852
14092910
14091814
V6-173
2.8L
3.504(IN)
89(MM)

CHEVY
ENGINE
1988-89

8.9
EFI, J Body, 2.47" dia. head recess .27" deep.

APPROXIMATE HEAD VOLUME=20cc

Comp. Ht. 1.608
Pin Dia..9054 Offset
1492
STD.
.5mm
.75mm
1.0mm
1.5mm
2-1.5mm
1-4.0mm
Shallow
Groove
14102688
14089254
V6-181
3.0L
3.800(IN)
96.5(MM)

BUICK
ENGINE
1982-87

8.45
Flat head.

Comp. Ht. 1.808
Pin Dia..9398 Offset
1734
STD.
.020
.030
.040
.060
2-5/64
1-3/16
25511557
25509349
V6-191
3.1L
3.504(IN)
89(MM)

CHEVY
ENGINE
1990-95

8.8
Silhouette, TBI Iron Head, VIN D. 2.95" dia. head recess .105" deep.

APPROXIMATE HEAD VOLUME=12cc

Comp. Ht. 1.450
Pin Dia..9055 Offset
1486
STD.
.5mm
.75mm
1.0mm
2-1.5mm
1-4.0mm
Shallow
Groove
10070145
10087699
8-10070-145-0
10070115-B
10118601
V6-191
3.1L
3.504(IN)
89(MM)

CHEVY
ENGINE
1990-95

8.8
Coated skirt, Silhouette, TBI Iron Head, VIN D. 2.95" dia. head recess .105" deep.

APPROXIMATE HEAD VOLUME=12cc

Comp. Ht. 1.450
Pin Dia..9055 Offset
1486C
STD.
.5mm
.75mm
1.0mm
2-1.5mm
1-4.0mm
Shallow
Groove
10070145
10087699
8-10070-145-0
10070115-B
10118601
V6-191
3.1L
3.504(IN)
89(MM)

CHEVY
ENGINE
1989-95

8.8
Aluminum head. 2.88" dia. head recess .247" deep.

APPROXIMATE HEAD VOLUME=26cc

Comp. Ht. 1.450
Pin Dia..9054 Offset
1496
STD.
.5mm
.75mm
1.0mm
2-1.5mm
1-4.0mm
10070183
10146881
10087662
10146880
V6-191
3.1L
3.504(IN)
89(MM)

CHEVY
ENGINE
1989-95

8.8
Coated skirt, Aluminum head. 2.88" dia. head recess .247" deep.

APPROXIMATE HEAD VOLUME=26cc

Comp. Ht. 1.450
Pin Dia..9054 Offset
1496C
STD.
.5mm
.75mm
1.0mm
2-1.5mm
1-4.0mm
10070183
10146881
10087662
10146880
V6-204
3.3L
3.700(IN)
94(MM)

BUICK
ENGINE
1990-95

9.0
2.83" dia. head recess .123" deep.

APPROXIMATE HEAD VOLUME=11cc

Comp. Ht. 1.310
Pin Dia..9054
1743
STD.
.5mm
.75mm
1.0mm
2-1.5mm
1-3.0mm
25535356
24501065
25532084
24507065
V6-207
3.4L
3.622(IN)
92(MM)

CHEVY
ENGINE
1991-94
Flat head with 4 valve reliefs. Used in either left or ight cylinder bank.

Comp. Ht. 1.457
Pin Dia..9055
3409*
STD.
.5mm
.75mm
1.0mm
2-1.5mm
1-3.0mm
10130903L
10130904R
10130958
V8-215
3.5L
3.500(IN)
88.9(MM)

BUICK
ENGINE
1961-63

8.6
Tempest V8 2.812" dia. head recess .156" deep. Low compression.

Comp. Ht. 1.843
Pin Dia..8750
1718
STD.
.020
.030
.040
.060
2-5/64
1-3/16
1389184
1399081
1193816
1353006
* NEW PISTON, AVAILABLE NOW
**NEW PISTON, CHECK FOR AVAILABILITY
Page 73

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