CHEVROLET
Cyl.
Engine
Bore		 Years
Comp.
Ratio		 NOTES: Part No.
Sizes		 Rings O.E. Assy.
No.		 O.E. Casting
No.		 Head
Shape
V8 427
7.0 L
4.250(IN)
108(MM)

CHEVY
ENGINE
1968-85

8.0
Hypereutectic Truck engine. Flat head with one valve relief. #Discontinued upon depletion of stock.

Comp. Ht. 2.160
Pin Dia..9898 Center
H1498#
Std.
.020
.030
.040
.060
1-3/32
2-5/64
1-3/16
3893251
3874816
V8 427
7.0 L
4.250(IN)
108(MM)

CHEVY
ENGINE
1984-93
Truck engine not destroked. Off center combustion recess one valve relief.

APPROXIMATE HEAD VOLUME=9cc

Comp. Ht. 2.160
Pin Dia..9898 Center
3401D
Std.
.020
.030
.040
.060
1-3/32
2-5/64
1-3/16

Iron Top
Groove
10106490
3893251
14087482
10106487
3874816
14084331
V8 454
7.4 L
4.250(IN)
108(MM)

CHEVY
ENGINE
1970-83

9.0
8.2
Flat head piston with two valve reliefs. Used in either left or right cylinder bank. For 1970 replace in full sets only.

APPROXIMATE HEAD VOLUME=2cc

Comp. Ht. 1.627
Pin Dia..9898 Offset
1448
Std.
.020
.030
.040
.060
2-5/64
1-3/16
3976015-6
3993874
353058
340206
3963553-4
3993825
353062
V8 454
7.4 L
4.250(IN)
108(MM)

CHEVY
ENGINE
1970-83

9.0
8.2
Flat head piston with two valve reliefs. Used in either left or right cylinder bank. For 1970 replace in full sets only. Same as 1448 with coated skirt.

APPROXIMATE HEAD VOLUME=2cc

Comp. Ht. 1.627
Pin Dia..9898 Offset
1448C
Std.
.020
.030
.040
.060
2-5/64
1-3/16
3976015-6
3993874
353058
340206
3963553-4
3993825
353062
V8 454
7.4 L
4.250(IN)
108(MM)

CHEVY
ENGINE
1970-83

9.0
Hypereutectic, destroked .020". Flat head with two valve reliefs. Used in left or right cyl. bank. Not intended for race applications.

APPROXIMATE HEAD VOLUME=2cc

Comp. Ht. 1.627
Pin Dia..9898 Offset
1475H
Std.
.020
.030
.040
.060
2-5/64
1-3/16
3993874
3976015-6
353058
340206
3993825
3963553-4
353062
V8 454
7.4 L
4.250(IN)
108(MM)

CHEVY
ENGINE
1970-83

9.0
Coated skirts, Hypereutectic, destroked .020". Flat head with two valve reliefs. Used in left or right cyl. bank. Not intended for race applications.

APPROXIMATE HEAD VOLUME=2cc

Comp. Ht. 1.627
Pin Dia..9898 Offset
1475HC
Std.
.020
.030
.040
.060
2-5/64
1-3/16
3993874
3976015-6
353058
340206
3993825
3963553-4
353062
V8 454
7.4 L
4.250(IN)
108(MM)

CHEVY
ENGINE
1979-81
Tall block for medium duty applications. Flat head with one valve relief.

Comp. Ht. 2.040
Pin Dia..9898 Center
3417D*
Std.
.020
.030
.040
.060
1-3/32
2-5/64
1-3/16

Iron Top
Groove
14002577
14001926
V8 454
7.4 L
4.250(IN)
107.95(MM)

CHEVY
ENGINE
1981-90

8.9
9.1
Hypereutectic, destroked .020". Trucks. 2.00" dia head recess .085" deep two valve reliefs. Full sets only.

APPROXIMATE HEAD VOLUME=5cc

Comp. Ht. 1.627
Pin Dia..9898 Offset
3403H
Std.
.020
.030
.040
.060
2-5/64
1-3/16
14071100
10106471
14071100
10048941
340209
14071092
10106436
14071093
340204
V8 454
7.4 L
4.250(IN)
107.95(MM)

CHEVY
ENGINE
1981-90

8.9
9.1
Coated skirts. Hypereutectic, destroked .020". Trucks. 2.00" dia head recess .085" deep two valve reliefs. Full sets only.

APPROXIMATE HEAD VOLUME=5cc

Comp. Ht. 1.627
Pin Dia..9898 Offset
3403HC
Std.
.020
.030
.040
.060
2-5/64
1-3/16
14071100
10106471
14071100
10048941
340209
14071092
10106436
14071093
340204
V8 454
7.4 L
4.250(IN)
107.95(MM)

CHEVY
ENGINE
1991-95

8.75
Hypereutectic, destroked .020". 2.00" dia. head recess .05" deep two valve reliefs. L19 engine.

APPROXIMATE HEAD VOLUME=5cc

Comp. Ht. 1.627
Pin Dia..9898 Offset
H3408*
Std.
.020
.030
.040
.060
2-5/64
1-3/16


Shallow
Groove
12506746
10126746
10166822
12522358
10101178
10166821
V8 454
7.4 L
4.250(IN)
108(MM)

CHEVY
ENGINE
1996-99
Hypereutectic. Flat head with two valve reliefs. Not intended for race applications.

Comp. Ht. 1.627
Pin Dia..9898 Offset
H3440**
Std.
.020
.030
.040
.060
2-5/64
1-3/16
12555794-5-6
10171065
57071255
* NEW PISTON, AVAILABLE NOW
**NEW PISTON, CHECK FOR AVAILABILITY

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