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
1990-95

9.5
10.25
Corvette. Hypereutectic, destroked .020". Flat head with 4 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
12521445
T021101V13
10128454
V8 350
5.7 L
4.057(IN)
103(MM)

OLDSMOBILE
ENGINE
1980-85

22.5
LF9 Diesel. 2 large valve reliefs with fire slot. Replace 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
558386
22511940
22520325
V8 366
6.0 L
3.937(IN)
100(MM)

CHEVY
ENGINE
1966-85

8.0
Trucks, not destroked. Flat head one valve relief.

APPROXIMATE HEAD VOLUME=.5cc

Comp. Ht. 2.160
Pin Dia..9898 Center
1435D
Std.
.020
.030
.040
.060
1-3/32
2-5/64
1-3/16

Iron Top
Groove
3886172
10106498
3856253
10106497
V8 366
6.0 L
3.937(IN)
100.0(MM)

CHEVY
ENGINE
1991-93
Hypereutectic, not destroked. .095" dome with one valve relief. Except H5D.

Comp. Ht. 2.160
Pin Dia..9898 Center
H3410*
Std.
.020
.030
.040
.060
1-3/32
2-5/64
1-3/16

Shallow
Groove
10126748
10101180
V8 366
6.0 L
3.9375(IN)
100(MM)

CHEVY
ENGINE
1965-90
1985-90

8.0
Sm.
Chmb
9.0
3/32" step head propane pop-up 1 valve relief, 1985-90 gas trk. exc. H5D, not destroked.

Comp. Ht. 2.160
Pin Dia..9898 Center
1490D
Std.
.020
.030
.040
.060
1-3/32
2-5/64
1-3/16

Iron Top
Groove
10048926
10106480
10046482
10108926
3955294
14100826
10106477
3942463
V8 379
6.2 L
3.9764(IN)
101(MM)

CHEVY
ENGINE
1982-94

20.1
Diesel, Ricardo recess. Min. clearance .0045", cyls. 7 and 8 .0055". Keystone top groove. Same as H1497 below except not hypereutectic and has iron ring.

APPROXIMATE HEAD VOLUME=6cc

Comp. Ht. 2.119
Pin Dia..1.220 Center
1467D
Std.
.5mm
.75mm
1.0mm
1.5mm
Keystone
1-2.0mm
1-4.0mm

Iron Top
Groove
14053377
23500391
23500393
14045106
14079406
14077141
V8 379
6.2 L
3.9764(IN)
101(MM)

CHEVY
ENGINE
1982-94

20.1
Similar to 1467D above except hypereutectic and no iron ring.Diesel, Ricardo recess. Min. clearance .0045", cyls. 7 and 8 .0055". Keystone top groove.

APPROXIMATE HEAD VOLUME=6cc

Comp. Ht. 2.119
Pin Dia..1.220 Center
H1497**
Std.
.5mm
.75mm
1.0mm
1.5mm
Keystone
1-2.0mm
1-4.0mm
14053377
23500391
23500393
14045106
14079406
14077141
V8 395
6.5 L
4.055(IN)
103(MM)

CHEVY
ENGINE
1992-95
Diesel Turbo and Non-Turbo, HO. Flat head with Ricardo recess 1/16 deep and full floating pin. Hard-Anodized head. Destroked .010".

Comp. Ht. 2.105
Pin Dia..1.220 Center
3449D**
Std.
.5mm
.75mm
Keystone
1-2.0mm
1-4.0mm

Iron Top
Groove




V8 395
6.5 L
4.055(IN)
103(MM)

CHEVY
ENGINE
1992-98
Diesel Turbo and Non-Turbo, HO. Flat head with Ricardo recess .062" deep and full floating pin. Same as 3436D except has no anodized head.

Comp. Ht. 2.119
Pin Dia..1.220 Center
3421D*
Std.
.5mm
.75mm
Keystone
1-2.0mm
1-4.0mm

Iron Top
Groove
10183937
12550059
12550061
10236521
10163787
10236517
V8 395
6.5 L
4.055(IN)
103(MM)

CHEVY
ENGINE
1992-97
Diesel Turbo and Non-Turbo, flat head with Ricardo recess .062" deep. Same as 3421D with ANODIZED HEAD.

Comp. Ht. 2.119
Pin Dia..1.220 Center
3436D*
Std.
.5mm
.75mm
Keystone
1-2.0mm
1-4.0mm

Iron Top
Groove
10183937
12550059
12550061
10163787
10236517
V8 396
6.5 L
4.094(IN)
104(MM)

CHEVY
ENGINE
1965-69

9.6
Used in either left or right cyl. bank. 3/16" high crown.

APPROXIMATE HEAD VOLUME=-12cc

Comp. Ht. 1.747
Pin Dia..9898 Offset
1433
Std.
.020
.030
.040
.060
2-5/64
1-3/16
3878227
3878228
3856247
3856248
* NEW PISTON, AVAILABLE NOW
**NEW PISTON, CHECK FOR AVAILABILITY

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