Make:
GMC
Model:
K25
Submodel:
SIERRA GRANDE
Beginning Year:
1977
Ending Year:
1978
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Family:
Chevy big block Mark IV
Engine Size:
7.4L/454
Application Notes:
S; Compressed Thickness: .060, Material: HTS, Port Shape: Square, Port Size: 1.900x1.850
Engine VIN Code:
S
Region:
USA
Make:
GMC
Model:
P35
Submodel:
BASE
Beginning Year:
1978
Ending Year:
1978
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Family:
Chevy big block Mark IV
Engine Size:
7.4L/454
Application Notes:
S; Compressed Thickness: .060, Material: HTS, Port Shape: Square, Port Size: 1.900x1.850
Engine VIN Code:
S
Region:
USA
Make:
GMC
Model:
P35
Submodel:
VALUE VAN
Beginning Year:
1978
Ending Year:
1978
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Family:
Chevy big block Mark IV
Engine Size:
7.4L/454
Application Notes:
S; Compressed Thickness: .060, Material: HTS, Port Shape: Square, Port Size: 1.900x1.850
Engine VIN Code:
S
Region:
USA