G.M.C. TRUCK
Cyl.
Engine
Bore		 Years
Comp.
Ratio		 NOTES: Part No.
Sizes		 Rings O.E. Assy.
No.		 O.E. Casting
No.		 Head
Shape
L4 134
2.2L
3.5039(IN)
89(MM)

CHEVY
ENGINE
1994-95

9.0
Sonoma, VIN 4. Circular .294" dia. head recess .215" deep.

APPROXIMATE HEAD VOLUME=23cc

Comp. Ht. 1.170
Pin Dia..8002 Offset
1488*
STD.
.5mm
.75mm
1.0mm
2-1.5mm
1-3.0mm
10141960
89V91
L4 151
2.5L
4.000(IN)
101.6(MM)

PONTIAC
ENGINE
1984-93

9.0
8.3
Sonoma, Hypereutectic, destroked .020". 3.10" dia. head recess .160" 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
2.8L
3.504(IN)
89(MM)

CHEVY
ENGINE
1982-88

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

Comp. Ht. 1.578
Pin Dia..9055 Offset
1463
STD.
.75mm
1.0mm
1.5mm
1-1.5mm
1-2.0mm
1-4.75mm
14033250
14003994
14033225
476532
V6-173
2.8L
3.504(IN)
89(MM)

CHEVY
ENGINE
1982-88

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

Comp. Ht. 1.578
Pin Dia..9055 Offset
1463C
STD.
.75mm
1.0mm
1.5mm
1-1.5mm
1-2.0mm
1-4.75mm
14033250
14003994
14033225
476532
V6-173
2.8L
3.504(IN)
89(MM)

CHEVY
ENGINE
1985-93

8.5
Flat head, similar to 1463 exc. ring pack. Used in 1463 applications but will not be destroked.

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
14092910
14091814
14077852
V6-200
3.2L
3.500(IN)
88.9(MM)

CHEVY
ENGINE
1978-79

8.2
2.875" dia. head recess .125" deep.

APPROXIMATE HEAD VOLUME=13cc

Comp. Ht. 1.540
Pin Dia...9273 Offset
1456
STD.
.020
.030
.040
.060
2-5/64
1-3/16
462636
461355
V6-229
3.8L
3.736(IN)
94.9(MM)

CHEVY
ENGINE
1980-86

8.6
3.06" dia. head recess .09" deep.

APPROXIMATE HEAD VOLUME=12.5cc

Comp. Ht. 1.540
Pin Dia..9273 Offset
1449
STD.
.020
.030
.040
.060
2-5/64
1-3/16
14019883
364702
14006722
361988
V6-229
3.8L
3.736(IN)
94.9(MM)

CHEVY
ENGINE
1987-94

8.4
8.6
9.3
3.10" dia. head recess .040" deep with 4 valve reliefs.

APPROXIMATE HEAD VOLUME=6.5cc

Comp. Ht. 1.540
Pin Dia..9273 Offset
1493
STD.
.020
.030
.040
.060
2-5/64
1-3/16
14019883
14093663
364702
14094009
14006722
14094013
361988
10128201
L6-250
4.1L
3.875(IN)
98.4(MM)

CHEVY
ENGINE
1966-80

8.5
3" dia. head recess .060" deep.

APPROXIMATE HEAD VOLUME=7cc

Comp. Ht. 1.640
Pin Dia..9273 Offset
1446
STD.
.020
.030
.040
.060
2-5/64
1-3/16
3886040
3886048
6270033
3874468
3877604
6262805
* NEW PISTON, AVAILABLE NOW
**NEW PISTON, CHECK FOR AVAILABILITY
Page 54

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