Make:
GMC
Model:
C1500
Submodel:
BASE
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C1500
Submodel:
HEAVY HALF
Beginning Year:
1979
Ending Year:
1979
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C1500
Submodel:
HIGH SIERRA
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C1500
Submodel:
SIERRA CLASSIC
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C1500
Submodel:
SIERRA GRANDE
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C1500
Submodel:
STREET COUPE
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C1500 SUBURBAN
Submodel:
BASE
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C1500 SUBURBAN
Submodel:
HIGH SIERRA
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C1500 SUBURBAN
Submodel:
SIERRA CLASSIC
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C1500 SUBURBAN
Submodel:
SIERRA GRANDE
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C2500
Submodel:
BASE
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C2500
Submodel:
HIGH SIERRA
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C2500
Submodel:
SIERRA CLASSIC
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C2500
Submodel:
SIERRA GRANDE
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C2500 SUBURBAN
Submodel:
BASE
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C2500 SUBURBAN
Submodel:
HIGH SIERRA
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C2500 SUBURBAN
Submodel:
SIERRA CLASSIC
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C2500 SUBURBAN
Submodel:
SIERRA GRANDE
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C3500
Submodel:
BASE
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C3500
Submodel:
HIGH SIERRA
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C3500
Submodel:
SIERRA CLASSIC
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
C3500
Submodel:
SIERRA GRANDE
Beginning Year:
1979
Ending Year:
1980
Engine Type:
V8
Liter:
7.4
CID:
454
Engine Size:
7.4L/454
Engine Family:
Chevy big block Mark IV
Engine VIN Code:
S
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
K1500
Submodel:
BASE
Beginning Year:
1979
Ending Year:
1979
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Size:
5.7L/350
Engine Family:
Chevy small block Gen I
Engine VIN Code:
L
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
K1500
Submodel:
HIGH SIERRA
Beginning Year:
1979
Ending Year:
1979
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Size:
5.7L/350
Engine Family:
Chevy small block Gen I
Engine VIN Code:
L
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA
Make:
GMC
Model:
K1500
Submodel:
SIERRA CLASSIC
Beginning Year:
1979
Ending Year:
1979
Engine Type:
V8
Liter:
5.7
CID:
350
Engine Size:
5.7L/350
Engine Family:
Chevy small block Gen I
Engine VIN Code:
L
Application Notes:
ULTRA SEAL; COMPETITION SCREW-IN ROCKER ARM STUDS; 7/16 IN.-24 X 1.75 IN. TOP; 7/16 IN.-14 BOTTOM; 16 PC.;
Region:
USA