BUICK

Cyl.
Engine
Bore		 Years
Comp.
Ratio		 NOTES: Part No.
Sizes		 Rings O.E. Assy.
No.		 O.E. Casting
No.		 Head
Shape
L4 138
2.3 L
3.622(IN)
92(MM)

OLDSMOBILE
ENGINE
1987-95

9.4
Hypereutectic. Quad-4 engine, including "HO". 2.66" dia. head recess .150 deep with 2 valve reliefs.

Comp. Ht. 1.240
Pin Dia..8665 Offset
H1640*
Std.
.25mm
.5mm
.75mm
1.0mm
2-1.5mm
1-3.0mm
22539861
22548435
22548436
22548438
22538658
31125565
22545565
L4 138
2.3 L
3.622(IN)
92(MM)

OLDSMOBILE
ENGINE
1987-94

9.5
Hypereutectic. Quad-4 engine, incl. "HO". 2.66" dia. head recess .160" deep 4 valve reliefs.

Comp. Ht. 1.250
Pin Dia..8665 Offset
H1642**
Std.
.25mm
.5mm
.75mm
1.0mm
2-1.5mm
1-3.0mm
24573576
22545567
L4 151
2.5 L
4.000(IN)
101.6(MM)

PONTIAC
ENGINE
1979-80

8.2
Skylark. 3.02" dia. hd. recess .226" deep. Replace in full sets only.

APPROXIMATE HEAD VOLUME=21.5cc

Comp. Ht. 1.570
Pin Dia..9273 Offset
1528
Std.
.020
.030
.040
.060
2-5/64
1-3/16
10010398
10010404
10010065
10012045
L4 151
2.5 L
4.000(IN)
101.6(MM)

PONTIAC
ENGINE
1979-80

8.2
Hypereutectic, not destroked. 3.02" dia. head recess .246" deep. Replace in full sets only.

APPROXIMATE HEAD VOLUME=23.5cc

Comp. Ht. 1.590
Pin Dia..9273 Offset
H1534
Std.
.020
.030
.040
.060
2-5/64
1-3/16
10010398
10010404
10010065
10012045
L4 151
2.5 L
4.000(IN)
101.6(MM)

PONTIAC
ENGINE
1982-86

9.0
3.07" dia. hd. recess .226" deep. Full sets only. Similar to 1528 exc. shallow groove and low tension rings.

APPROXIMATE HEAD VOLUME=22.5cc

Comp. Ht. 1.570
Pin Dia..9273 Offset
1532
Std.
.020
.030
.040
.060
1-1/16
1-5/64
1-3/16

Shallow
Groove
10027317
10027200
ALIGN=CENTER VALIGN=TOP>
L4 151
2.5 L
4.000(IN)
101.6(MM)

PONTIAC
ENGINE
1982-93

8.3
9.3
Hypereutectic, destroked .020". 3.10" dia. head recess .140" deep. Replace in full sets only.

APPROXIMATE HEAD VOLUME=15cc

Comp. Ht. 1.566
Pin Dia..9273 Offset
H1533
Std.
.020
.030
.040
.060
1-1/16
1-5/64
1-3/16

Shallow
Groove
10042188
10044245
10112444
10112445
10042191
10101488
10042076
10044214
10044245
10043025
10044257
V6 173
2.8 L
3.504(IN)
89(MM)

CHEVY
ENGINE
1980-88

8.5
Flat head. 2nd design with 1.5mm top ring.

Comp. Ht. 1.578
Pin Dia..9055 Offset
1463
Std.
.5mm
.75mm
1.0mm
1.5mm
1-1.5mm
1-2.0mm
1-4.75mm
14003994
14033129
14094101
14033250
14020567
476532
14031340
14092276
14033225
14020518
V6 173
2.8 L
3.504(IN)
89(MM)

CHEVY
ENGINE
1980-88

8.5
Coated skirts, Flat head. 2nd design with 1.5mm top ring.

Comp. Ht. 1.578
Pin Dia..9055 Offset
1463C
Std.
.5mm
.75mm
1.0mm
1.5mm
1-1.5mm
1-2.0mm
1-4.75mm
14003994
14033129
14094101
14033250
14020567
476532
14031340
14092276
14033225
14020518
V6 173
2.8 L
3.504(IN)
89(MM)

CHEVY
ENGINE
1988-89

8.9
E.F.I,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
* NEW PISTON, AVAILABLE NOW
**NEW PISTON, CHECK FOR AVAILABILITY
Page 11

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