BUICK

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
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
4.3L
4.000(IN)
101.6(MM)

CHEVY
ENGINE
1985-95

8.8
Hypereutectic, destroked .020". 3.14" dia. head recess .07" deep, 4 valve reliefs. Use 1986 and earlier rings. NOT INTENDED FOR RACE APPLICATIONS.

APPROXIMATE HEAD VOLUME=12cc

Comp. Ht. 1.560
Pin Dia..9273 Offset
H1476
Std.
.020
.030
.040
.060
2-5/64
1-3/16
14077948
3991488
10159424
10049073
12509082
12514101
12520264
14075651
3991476
10128212
10046106
10144178
V6 262
4.3L
4.057(IN)
103(MM)

OLDSMOBILE
ENGINE
1982-85

21.6
LT6 Diesel. 2 large valve reliefs. LT7 with fire slot. Replace in 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
25506674
22519229
22519232
22515337
22515338
22520324
22511940
558386
22520325
V8 267
4.4L
3.500(IN)
88.9(MM)

CHEVY
ENGINE
1979-82

8.3
2.59" dia. head recess .120" 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
V8 300
4.9L
3.750(IN)
95.25(MM)

BUICK
ENGINE
1964-67

8.3
3.06" dia. head recess .23" deep.

APPROXIMATE HEAD VOLUME=26cc

Comp. Ht. 1.835
Pin Dia..9398 Offset
1724
Std.
.020
.030
.040
.060
2-5/64
1-3/16
1399524
1357553
V8 301
4.9L
4.000(IN)
101.6(MM)

PONTIAC
ENGINE
1977-78

8.0
Flat head.

Comp. Ht. 1.570
Pin Dia..9273 Offset
1527
Std.
.020
.030
.040
.060
2-5/64
1-3/16
547147
10005635
10010447
500492
10006762
V8 305
5.0L
3.736(IN)
94.9(MM)

CHEVY
ENGINE
1977-86

8.4
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
364702
14019883
361988
14006722
V8 305
5.0L
3.736(IN)
94.9(MM)

CHEVY
ENGINE
1987-94

8.4
9.3
8.6
3.10" dia. head recess .04" deep, 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
364702
14094013
361988
14093663
10128201
14094009
* NEW PISTON, AVAILABLE NOW
**NEW PISTON, CHECK FOR AVAILABILITY

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