Cyl.
Engine
Bore | Years
Comp.
Ratio | NOTES: | Part No.
Sizes | Rings | O.E. Assy.
No. | O.E. Casting
No. | Head
Shape |
V8-350
5.7L
3.800(IN)
96.52(MM)
BUICK
ENGINE |
1976-81
8.0 |
Non-turbo, VIN H. 3.05" dia. head recess .215" deep.
APPROXIMATE HEAD VOLUME=24.5cc
Comp. Ht. 1.805
Pin Dia..9398 Offset |
1731
STD.
.020
.030
.040
.060 |
2-5/64
1-3/16 |
1249538
22501423
25527178
25518053
1394558
125377 |
1247241
1255672
25522904
25519456
1231899
25516057 |
 |
V8-350
5.7L
3.800(IN)
96.52(MM)
BUICK
ENGINE |
1976-81
8.1 |
Non-turbo, Hypereutectic, destroked .020", VIN H. 3.05" dia. head recess .235" deep.Not intended for race applications.
APPROXIMATE HEAD VOLUME=25.5cc
Comp. Ht. 1.805
Pin Dia..9398 Offset |
H1740
STD.
.020
.030
.040
.060 |
2-5/64
1-3/16 |
1249538
22501423
25527178
25518053
1394558
125377 |
1247241
1255672
25522904
25519456
1231899
25516057 |
|
V8-350
5.7L
4.000(IN)
101.6(MM)
CHEVY
ENGINE |
1977-79
1992-96
8.4 |
1992-94 Bravada, VIN L. 3.16" dia. head recess .08" deep. Use 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 |
6271097
3991488
10159424
12520264
12514101 |
6271096
3991476
10128212
10144178 |
 |
V8-350
5.7L
4.000(IN)
101.6(MM)
CHEVY
ENGINE |
1977-79
1992-96
7.9
8.5 |
Hypereutectic, destroked .020". 1992-94 Bravada, VIN L. 3.14" dia. head recess .07" deep (12cc). Use 1986 and earlier rings. Not intended for race 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 |
6271097
3991488
10159424
12520264
12514101 |
6271096
3991476
10128212
10144178 |
|
V8-350
5.7L
4.000(IN)
101.6(MM)
CHEVY
ENGINE |
1990-92
9.5 |
Hypereutectic, destroked .020". Flat head with four valve reliefs.
APPROXIMATE HEAD VOLUME=7cc
Comp. Ht. 1.540
Pin Dia..9273 Offset |
H1489*
STD.
.020
.030
.040
.060 |
1-2.0mm
1-1.5mm
1-4.0mm |
10159436
10128452 |
T021101V13
10128454 |
 |
V8-350
5.7L
4.057(IN)
103(MM)
OLSMOBILE
ENGINE |
1968-80
8.4 |
VIN R. 2.92" dia. head recess .215" deep.
APPROXIMATE HEAD VOLUME=21cc
Comp. Ht. 1.595
Pin Dia..9805 Offset |
1633
STD.
.020
.030
.040
.060 |
2-5/64
1-3/16 |
400591
231101
231433
25506662 |
398661
409074
411891 |
|
V8-350
5.7L
4.057(IN)
103(MM)
OLSMOBILE
ENGINE |
1978-85
22.5 |
LF9 diesel. Two 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 |
560946
560955
22506674
22506678
22519229
22519232 |
558386
22511940
22520325 |
 |
V8-403
6.6L
4.351(IN)
110.5(MM)
OLDSMOBILE
ENGINE |
1977-79
7.9 |
3.23" dia. head recess .146" deep.
APPROXIMATE HEAD VOLUME=18.5cc
Comp. Ht. 1.595
Pin Dia..9805 |
1635
STD.
.020
.030
.040 |
2-5/64
1-3/16 |
556265 |
554908 |
|
V8-455
7.5L
4.125(IN)
104.8(MM)
OLDSMOBILE
ENGINE |
1968-76
8.4 |
3.031" dia. head recess .324" deep.
APPROXIMATE HEAD VOLUME=37.5cc
Comp. Ht. 1.720
Pin Dia..9805 Offset |
1630
STD.
.020
.030
.040
.060 |
2-5/64
1-3/16 |
400571
231110 |
398591
409112 |
 |
V8-455
7.5L
4.125(IN)
104.8(MM)
OLDSMOBILE
ENGINE |
1968-76
10.1 |
2.940" dia. head recess .120" deep.
APPROXIMATE HEAD VOLUME=14.5cc
Comp. Ht. 1.720
Pin Dia..9805 Offset |
1631
STD.
.020
.030
.040
.060 |
2-5/64
1-3/16 |
400561 |
398666 |
|
