CHEVROLET

Cyl.
Engine
Bore		 Years
Comp.
Ratio		 NOTES: Part No.
Sizes		 Rings O.E. Assy.
No.		 O.E. Casting
No.		 Head
Shape
L4 151
2.5 L
4.000(IN)
101.6(MM)

PONTIAC
ENGINE
1984-93

9.0
8.3
Hypereutectic, destroked .020". 3.10" dia head recess .140" deep. Replace in full sets only. Not intended for racing applications.

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
L4 153
2.5 L
3.875(IN)
98.4(MM)

CHEVY
ENGINE
1962-70

8.5
Flat head with four valve reliefs.

APPROXIMATE HEAD VOLUME=3cc

Comp. Ht. 1.779
Pin Dia..9273 Offset
1412
Std.
.020
.030
.040
.060
.080
2-5/64
1-3/16
3792534
3840148
3860407
3791692
3859167
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. High performance LH7 and 2.8Z engine.

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
14033250
14003994
14020567
14033129
14094101
14033225
476532
14020518
14031340
14092276
14091814
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. High performance LH7 and 2.8Z engine.

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
14033250
14003994
14020567
14033129
14094101
14033225
476532
14020518
14031340
14092276
14091814
V6 173
2.8 L
3.504(IN)
89(MM)

CHEVY
ENGINE
1985-93

8.5
Flat head. Exc. ring pack similar to 1463. May replace 1463 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 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
V6 191
3.1 L
3.504(IN)
89(MM)

CHEVY
ENGINE
1988-95

8.8
Aluminum Head. Lumina. 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
3.1 L
3.504(IN)
89(MM)

CHEVY
ENGINE
1988-95

8.8
Coated skirt, Aluminum Head. Lumina. 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 191
3.1 L
3.504(IN)
89(MM)

CHEVY
ENGINE
1990-95

8.8
Iron Head. 2.95" dia. head recess .106" deep. TBI,APV only.

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
10070115B
10118601
10070115
V6 191
3.1 L
3.504(IN)
89(MM)

CHEVY
ENGINE
1990-95

8.8
Coated skirts, Iron Head. 2.95" dia. head recess .106" deep. TBI,APV only.

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
10070115B
10118601
10070115
L6 194
3.2 L
3.562(IN)
90.5(MM)

CHEVY
ENGINE
1962-67

8.3
Flat head.

Comp. Ht. 1.779
Pin Dia..9273 Offset
1424
Std.
.020
.030
.040
.050
.060
2-5/64
1-3/16
3791727
3860409
3788385
3860397
* NEW PISTON, AVAILABLE NOW
**NEW PISTON, CHECK FOR AVAILABILITY
Page 23

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