CHEVROLET

Cyl.
Engine
Bore		 Years
Comp.
Ratio		 NOTES: Part No.
Sizes		 Rings O.E. Assy.
No.		 O.E. Casting
No.		 Head
Shape
V6 252
4.1 L
3.965(IN)
100.7(MM)

BUICK
ENGINE
1980-84

8.0
3.193" dia. head recess .256" deep.

APPROXIMATE HEAD VOLUME=28cc

Comp. Ht. 1.808
Pin Dia..9398 Offset
1732
Std.
.020
.030
.040
.060
2-5/64
1-3/16
25505374
25501263
L6 261
4.3 L
3.750(IN)
95.3(MM)

CHEVY
ENGINE
1954-62

7.8
Truck engine. Flat head.

Comp. Ht. 2.029
Pin Dia..9273 Offset
1422
Std.
.020
.030
.040
.060
2-3/32
1-3/16
3707460
3758650
3835991
3758427
V8 262
4.3 L
3.671(IN)
93(MM)

CHEVY
ENGINE
1975-76

8.2
Flat head with four valve reliefs. #: Discontinued upon depletion of stock.

Comp. Ht. 1.730
Pin Dia..9273 Offset
1453#
Std.
.020
.030
.040
.060
2-5/64
1-3/16
359184
354447
V6 262
4.3L
4.000(IN)
101.6(MM)

CHEVY
ENGINE
1985-95

9.3
3.16" dia. head recess .08" deep, 4 valve reliefs (13cc). Use 1986 and earlier rings. Same as 1470 except packaged in sets of 6.

APPROXIMATE HEAD VOLUME=13cc

Comp. Ht. 1.540
Pin Dia..9273 Offset
3445*
Std.
.020
.030
.040
.060
.080
2-5/64
1-3/16
14077948
3991488
10159424
10049073
12509082
12514101
12520264
14075651
3991476
10128212
10046106
10144178
V6 262
4.3L
4.000(IN)
101.6(MM)

CHEVY
ENGINE
1985-95

9.3
Coated skirts. 3.16" dia. head recess .08" deep, 4 valve reliefs (13cc). Use 1986 and earlier rings. Same as 1470 except packaged in sets of 6.

APPROXIMATE HEAD VOLUME=13cc

Comp. Ht. 1.540
Pin Dia..9273 Offset
3445C*
Std.
.020
.030
.040
.060
.080
2-5/64
1-3/16
14077948
3991488
10159424
10049073
12509082
12514101
12520264
14075651
3991476
10128212
10046106
10144178
V6 262
4.3 L
4.000(IN)
101.6(MM)

CHEVY
ENGINE
1985-95

8.8
9.4
Hypereutectic, destroked .020". 3.14" dia. head recess .07" deep with 4 valve reliefs. Use 1986 & earlier rings. Not intended for racing applications.

APPROXIMATE HEAD VOLUME=11.5cc


Comp. Ht. 1.540
Pin Dia..9273 Offset
H1476
Std.
.020
.030
.040
.060
2-5/64
1-3/16
3991488
14077948
6271097
101594241
12509282
10049073
14094004
12514101
12520264
3991476
14075651
6271096
10128212
10144178
10046106
14093679
V6 262
4.3 L
4.000(IN)
101.6(MM)

CHEVY
ENGINE
1988-95

8.5
3.250" dia. head recess .130" deep, 2 trough valve reliefs.

APPROXIMATE HEAD VOLUME=16.5cc

Comp. Ht. 1.540
Pin Dia..9273 Offset
1487
Std.
.020
.030
.040
.060
2-5/64
1-3/16


Shallow
Groove
10159430
14093989
10144084
10128223
14088933
V6 262
4.3 L
4.000(IN)
101.6(MM)

CHEVY
ENGINE
1990-98
Hypereutectic, destroked .020" 3.10" dia. head recess .80" deep with four valve reliefs. LT.WT for VIN W '95-98, '96-97 WIN X, and '95-96 VIN Z stamped AA. Sold in sets only.

Comp. Ht. 1.540
Pin Dia..9273 Offset
H3411*
Std.
.020
.030
.040
.060
1-2.0mm
1-1.5mm
1-4.0mm
SHALLOW
GROOVE
14099017
14099025
14099028
12522850
101-44
10172749
V6 262
4.3 L
4.057(IN)
103(MM)

OLDSMOBILE
ENGINE
1980-85

22.5
LF9 Diesel. 2 large valve reliefs with fire slot. Full sets only.

APPROXIMATE HEAD VOLUME=5cc


Comp. Ht. 1.770
Pin Dia..1.095 Offset
1637DLR
Std.
.020
.030
.040
2-5/64
1-3/16

Iron Top
Groove
560955L
560946R
25506674
25519229
25519232
22515337
22515338
22520324
22520325
22511940
558386
22520325
* NEW PISTON, AVAILABLE NOW
**NEW PISTON, CHECK FOR AVAILABILITY

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