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
V6-262
4.3L
4.000(IN)
101.6(MM)

CHEVY ENGINE
1985-95

9.3
Non-turbo. 3.16" dia. head recess .08" deep with 4 valve reliefs. 1986 and earlier rings.

APPROXIMATE HEAD VOLUME=13cc

Comp. Ht. 1.540
Pin Dia..9273 Offset
1470
STD.
.020
.030
.040
.060
.080
2-5/64
1-3/16
14077948
10159424
12520264
12514101
14075651
10128212
10144178
V6-262
4.3L
4.000(IN)
101.6(MM)

CHEVY
ENGINE
1985-95

9.4
Hypereutectic, destroked .020". Non-turbo. 3.14" dia. head recess .07" deep with 4 valve reliefs. Use 1986 and earlier rings.

APPROXIMATE HEAD VOLUME=11.5ccBR>
Comp. Ht. 1.540
Pin Dia..9273 Offset
H1476
STD.
.020
.030
.040
.060
2-5/64
1-3/16
14077948
10159424
12520264
12514101
14075651
10128212
10144178
V6-262
4.3L
4.000(IN)
101.6(MM)

CHEVY
ENGINE
1992-95
Hypereutectic, destroked .020".
3.250" dia. head recess .130" deep, 2 trough valve reliefs.

Comp. Ht. 1.540
Pin Dia..9273 Offset
H3411**
STD.
.020
.030
.040
.060
1-5/64
1-1/16
1-5/32
14099017
101-44
V8-267
4.3L
3.500(IN)
88.9(MM)

CHEVY
ENGINE
1979-82

8.3
2.875" dia. head recess .125" deep.

APPROXIMATE HEAD VOLUME=13cc

Comp. Ht. 1.540
Pin Dia..9273
1456
STD.
.020
.030
.040
.060
2-5/64
1-3/16
462636
461355
V8-305
5.0L
3.736(IN)
94.9(MM)

CHEVY
ENGINE
1976-86

8.6
3.06" dia. head recess .090 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
V8-305
5.0L
3.736(IN)
94.9(MM)

CHEVY
ENGINE
1987-94

8.4
8.6
9.3
3.100" 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
364702
14094013
10128201
14006722
361988
14093663
14094009
V6-305
5.0L
4.250(IN)
108(MM)

GMC ENGINE
1960-73

7.8
305 A-B-C-D. E for 3 ring assy. 2446445, Cstg. 2439099. 3.125" dia. head recess .140" deep. Full sets only.

APPROXIMATE HEAD VOLUME=11cc

Comp. Ht. 2.613
Pin Dia..1.240 Center
5517D
STD.
.020
.030
.040
.060
3-3/32
1-3/16
Iron Top
Groove
2401151
2365777
2400997
V8-350
5.7L
4.000(IN)
101.6(MM)

CHEVY
ENGINE
1971-96

7.9
3.16" dia. head recess .08" deep, 4 valve reliefs.1986 and earlier rings.

APPROXIMATE HEAD VOLUME=13cc

Comp. Ht. 1.540
Pin Dia..9273 Offset
1470
STD.
.020
.030
.040
.060
.080
2-5/64
1-3/16
3991488
6271097
10159424
12520264
12514101
3991476
6271096
10128212
10144178
* NEW PISTON, AVAILABLE NOW
**NEW PISTON, CHECK FOR AVAILABILITY
Page 55

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