CHEVROLET

Cyl.
Engine
Bore		 Years
Comp.
Ratio		 NOTES: Part No.
Sizes		 Rings O.E. Assy.
No.		 O.E. Casting
No.		 Head
Shape
V8 350
5.7 L
4.000(IN)
101.6(MM)

CHEVY
ENGINE
1969-78

9.0
Truck engine, series 10 through 30 exc. light duty. Flat head 2 valve reliefs.

APPROXIMATE HEAD VOLUME=4cc

Comp. Ht. 1.540
Pin Dia..9273 Center
1442
Std.
.020
.030
.040
.060
2-5/64
1-3/16
3947746
3942579
3947756
V8 350
5.7 L
4.000(IN)
101.6(MM)

CHEVY
ENGINE
1969-83

8.0
Truck engine, series 40 and 50. 3.500" head recess .140" deep 2 valve reliefs.

APPROXIMATE HEAD VOLUME=17.5cc

Comp. Ht. 1.540
Pin Dia..9273 Center
1441
Std.
.020
.030
.040
.060
2-5/64
1-3/16
3947786
3932496
V8 350
5.7 L
4.000(IN)
101.6(MM)

CHEVY
ENGINE
1969-90

8.4
For use with 305 heads. 3.30" dia. head recess .270" deep. Compression ratio calculated with 55cc heads.

APPROXIMATE HEAD VOLUME=29.5cc

Comp. Ht. 1.540
Pin Dia..9273 Offset
1472
Std.
.020
.030
.040
.060
2-5/64
1-3/16

V8 350
5.7 L
4.000(IN)
101.6(MM)

CHEVY
ENGINE
1969-90

76cc=8.7
64cc=9.9
58cc=10.6
based on .030"
oversize,
.060" quench
Hypereutectic, same as H1479 NOT destroked. Flat head with four valve reliefs. NOT INTENDED FOR RACE APPLICATIONS.

APPROXIMTATE HEAD VOLUME=6cc

Comp. Ht. 1.560
Pin Dia..9273 Offset
H3437
Std.
.020
.030
.040
.060
2-5/64
1-3/16
3911020
3892673
V8 350
5.7 L
4.000(IN)
101.6(MM)

CHEVY
ENGINE
1969-90

9.0
10.3
11.1
Hypereutectic, destroked .020". Flat head with four valve reliefs. Not intended for race applications.

APPROXIMTATE HEAD VOLUME=6cc

Comp. Ht. 1.540
Pin Dia..9273 Offset
H1479
Std.
.020
.030
.040
.060
2-5/64
1-3/16
3911020
3892673
V8 350
5.7 L
4.000(IN)
101.6(MM)

CHEVY
ENGINE
1971-96

7.9
3.16" dia. head recess .08" deep 4 valve reliefs. Use 1986 & earlier rings.

APPROXIMATE HEAD VOLUME=13cc

Comp. Ht. 1.540
Pin Dia..9273 Offfset
1470
Std.
.020
.030
.040
.060
.080
2-5/64
1-3/16
3991488
6271097
14077448
10159424
10049073
12509282
10049076
10049079
14094004
12514101
12520264
3991476
6271096
14075651
10128212
10046106
10144178
10046132
10045339
14093679
V8 350
5.7 L
4.000(IN)
101.6(MM)

CHEVY
ENGINE
1971-96

8.5
9.0
9.5
10.0
Hypereutectic, destroked .020". 3.14" dia. head recess .07" deep with 4 valve reliefs. Use 1986 & 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
3991488
6271097
14077448
10159424
10049073
12509282
10049079
10049076
12514101
125420264
3991476
6271096
14075651
10128212
10046106
10144178
10046132
10045339
V8 350
5.7 L
4.000(IN)
101.6(MM)

CHEVY
ENGINE
1986-95

8.5
3.250" dia. head recess .130" deep with two 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
14093989
10159430
14088933
10144084
10128223
* NEW PISTON, AVAILABLE NOW
**NEW PISTON, CHECK FOR AVAILABILITY
Page 29

Previous Page / Table of Contents / Next Page