DSS RACING PISTONS

FEATURED PRODUCTS

Forged PISTONS for GM LS7

 
LS7-1.html

SX-FX LS7/LSX GM Stroker 4.125 STD. Bore.

LS7 Available Bore Sizes: (4.125 = STD.) (4.130 = .005) (4.155 = .030) (4.165 = .040) (4.185 = .060) Add the Bore size to the end of the Piston part #

IE. 1870-4155 for a .030 oversize.

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

Series

Alloy

Ring Pack

Piston

Piston part #

Piston & Ring Kit

64cc

66cc

72cc

406

3.800

6.125

.927

Flat Top -5cc

1.215

11.27

11.03

10.35

SX

4032

1.5 1.5 3MM

1870

K1870

406

3.800

6.125

.927

Flat Top -5cc

1.215

11.27

11.03

10.35

1-FX

4032

1.2 1.2 3MM

1-2870

K1-2870

406

3.800

6.125

.927

Flat Top -5cc

1.215

11.27

11.03

10.35

2-FX

2618

1.2 1.2 3MM

2-2870

K2-2870

406

3.800

6.125

.927

Flat Top -5cc

1.215

11.27

11.03

10.35

3-FX

2618

1.2 1.2 3MM

3-2870

K3-2870

406

3.800

6.125

.927

Dome+6cc

1.215

12.89

12.56

11.67

1-FX

4032

1.2 1.2 3MM

1-2872

K1-2872

406

3.800

6.125

.927

Dome+6cc

1.215

12.89

12.56

11.67

2-FX

2618

1.2 1.2 3MM

2-2872

K2-2872

406

3.800

6.125

.927

Dome+6cc

1.215

12.89

12.56

11.67

3-FX

2618

1.2 1.2 3MM

3-2872

K3-2872

406

3.800

6.125

.927

Dish -10cc

1.215

10.72

10.05

9.89

SX

4032

1.5 1.5 3MM

1871

K1871

406

3.800

6.125

.927

Dish -10cc

1.215

10.72

10.05

9.89

1-FX

4032

1.2 1.2 3MM

1-2871

K1-2871

406

3.800

6.125

.927

Dish -10cc

1.215

10.72

10.05

9.89

2-FX

2618

1.2 1.2 3MM

2-2871

K2-2871

406

3.800

6.125

.927

Dish -10cc

1.215

10.72

10.05

9.89

3-FX

2618

1.2 1.2 3MM

3-2871

K3-2871

406

3.800

6.125

.927

Dish-15cc

1.215

10.15

9.95

9.41

SX

4032

1.5 1.5 3MM

1873

K1873

406

3.800

6.125

.927

Dish-15cc

1.215

10.15

9.95

9.41

1-FX

4032

1.2 1.2 3MM

1-2873

K1-2873

406

3.800

6.125

.927

Dish-15cc

1.215

10.15

9.95

9.41

2-FX

2618

1.2 1.2 3MM

2-2873

K2-2873

406

3.800

6.125

.927

Dish-15cc

1.215

10.15

9.95

9.41

3-FX

2618

1.2 1.2 3MM

3-2873

K3-2873

406

3.800

6.125

.927

Dish -22cc

1.215

9.53

9.36

8.88

SX

4032

1.5 1.5 3MM

1874

K1874

406

3.800

6.125

.927

Dish -22cc

1.215

9.53

9.36

8.88

1-FX

4032

1.2 1.2 3MM

1-2874

K1-2874

406

3.800

6.125

.927

Dish -22cc

1.215

9.53

9.36

8.88

2-FX

2618

1.2 1.2 3MM

2-2874

K2-2874

406

3.800

6.125

.927

Dish -22cc

1.215

9.53

9.36

8.88

3-FX

2618

1.2 1.2 3MM

3-2874

K3-2874

406

3.800

6.125

.927

Dish-29cc

1.215

9.32

9.16

8.71

SX

4032

1.5 1.5 3MM

1875

K1875

406

3.800

6.125

.927

Dish-29cc

1.215

9.32

9.16

8.71

1-FX

4032

1.2 1.2 3MM

1-2875

K1-2875

406

3.800

6.125

.927

Dish-29cc

1.215

9.32

9.16

8.71

2-FX

2618

1.2 1.2 3MM

2-2875

K2-2875

406

3.800

6.125

.927

Dish-29cc

1.215

9.32

9.16

8.71

3-FX

2618

1.2 1.2 3MM

3-2875

K3-2875

SX-FX LS7/LSX GM Stroker 4.125 STD. Bore.

LS7 Available Bore Sizes: (4.125 = STD.) (4.130 = .005) (4.155 = .030) (4.165 = .040) (4.185 = .060) Add the Bore size to the end of the Piston part #

IE. 1870-4125 for a Std bore size.

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

Series

Alloy

Ring Pack

Piston

Piston part #

Piston & Ring Kit

64cc

66cc

72cc

416

3.900

6.125

.927

Flat Top -5cc

1.165

11.55

11.29

10.60

SX

4032

1.5 1.5 3MM

1880

K1880

416

3.900

6.125

.927

Flat Top -5cc

1.165

11.55

11.29

10.60

1-FX

4032

1.2 1.2 3MM

1-2880

K1-2880

416

3.900

6.125

.927

Flat Top -5cc

1.165

11.55

11.29

10.60

2-FX

2618

1.2 1.2 3MM

2-2880

K2-2880

416

3.900

6.125

.927

Flat Top -5cc

1.165

11.55

11.29

10.60

3-FX

2618

1.2 1.2 3MM

3-2880

K3-2880

416

3.900

6.125

.927

Dome +6cc

1.165

13.20

12.86

11.95

1-FX

4032

1.2 1.2 3MM

1-2882

K1-2882

416

3.900

6.125

.927

Dome +6cc

1.165

13.20

12.86

11.95

2-FX

2618

1.2 1.2 3MM

2-2882

K2-2882

416

3.900

6.125

.927

Dome +6cc

1.165

13.20

12.86

11.95

3-FX

2618

1.2 1.2 3MM

3-2882

K3-2882

416

3.900

6.125

.927

Dish -10cc

1.165

10.98

10.75

10.13

SX

4032

1.5 1.5 3MM

1881

K1881

416

3.900

6.125

.927

Dish -10cc

1.165

10.98

10.75

10.13

1-FX

4032

1.2 1.2 3MM

1-2881

K1-2881

416

3.900

6.125

.927

Dish -10cc

1.165

10.98

10.75

10.13

2-FX

2618

1.2 1.2 3MM

2-2881

K2-2881

416

3.900

6.125

.927

Dish -10cc

1.165

10.98

10.75

10.13

3-FX

2618

1.2 1.2 3MM

3-2881

K3-2881

416

3.900

6.125

.927

Dish- 15cc

1.165

10.39

10.18

9.63

SX

4032

1.5 1.5 3MM

1883

K1883

416

3.900

6.125

.927

Dish -15cc

1.165

10.39

10.18

9.63

1-FX

4032

1.2 1.2 3MM

1-2883

K1-2883

416

3.900

6.125

.927

Dish -15cc

1.165

10.39

10.18

9.63

2-FX

2618

1.2 1.2 3MM

2-2883

K2-2883

416

3.900

6.125

.927

Dish -15cc

1.165

10.39

10.18

9.63

3-FX

2618

1.2 1.2 3MM

3-2883

K3-2883

416

3.900

6.125

.927

Dish -22cc

1.165

9.75

9.58

9.09

SX

4032

1.5 1.5 3MM

1884

K1884

416

3.900

6.125

.927

Dish -22cc

1.165

9.75

9.58

9.09

1-FX

4032

1.2 1.2 3MM

1-2884

K1-2884

416

3.900

6.125

.927

Dish -22cc

1.165

9.75

9.58

9.09

2-FX

2618

1.2 1.2 3MM

2-2884

K2-2884

416

3.900

6.125

.927

Dish -22cc

1.165

9.75

9.58

9.09

3-FX

2618

1.2 1.2 3MM

3-2884

K3-2884

416

3.900

6.125

.927

Dish -29cc

1.165

9.54

9.37

8.91

SX

4032

1.5 1.5 3MM

1885

K1885

416

3.900

6.125

.927

Dish -29cc

1.165

9.54

9.37

8.91

1-FX

4032

1.2 1.2 3MM

1-2885

K1-2885

416

3.900

6.125

.927

Dish -29cc

1.165

9.54

9.37

8.91

2-FX

2618

1.2 1.2 3MM

2-2885

K2-2885

416

3.900

6.125

.927

Dish -29cc

1.165

9.54

9.37

8.91

3-FX

2618

1.2 1.2 3MM

3-2885

K3-2885

SX-FX LS7 7.0 & LS7 Stroker 4.125 STD. Bore.

LS7 Available Bore Sizes: (4.125 = STD.) (4.130 = .005) (4.155 = .030) (4.165 = .040) (4.185 = .060) Add the Bore size to the end of the Piston part # IE. 2920DX-4030 for a .030 oversize.

CID

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

Series

Alloy

Ring Kit

Piston part #

Piston & Ring Kit

64cc

66cc

72cc

427

4.000

6.100

.943

Dish -10cc

1.140

11.24

11.00

10.36

1-FX

4032

1.2 1.2 3MM

1-2931

K1-2931

427

4.000

6.100

.943

Dish -10cc

1.140

11.24

11.00

10.36

2-FX

2618

1.2 1.2 3MM

2-2931

K2-2931

427

4.000

6.100

.943

Dish -10cc

1.140

11.24

11.00

10.36

3-FX

2618

1.2 1.2 3MM

3-2931

K3-2931

427

4.000

6.100

.943

Dish-15cc

1.140

10.92

10.70

10.09

1-FX

4032

1.2 1.2 3MM

1-2933

K1-2933

427

4.000

6.100

.943

Dish-15cc

1.140

10.92

10.70

10.09

2-FX

2618

1.2 1.2 3MM

2-2933

K2-2933

427

4.000

6.100

.943

Dish-15cc

1.140

10.92

10.70

10.09

3-FX

2618

1.2 1.2 3MM

3-2933

K3-2933

427

4.000

6.100

.943

Dish -22cc

1.140

9.98

9.80

9.30

1-FX

4032

1.2 1.2 3MM

1-2934

K1-2934

427

4.000

6.100

.943

Dish -22cc

1.140

9.98

9.80

9.30

2-FX

2618

1.2 1.2 3MM

2-2934

K2-2934

427

4.000

6.100

.943

Dish -22cc

1.140

9.98

9.80

9.30

3-FX

2618

1.2 1.2 3MM

3-2934

K3-2934

427

4.000

6.100

.943

Dish-29cc

1.140

9.56

9.40

8.94

1-FX

4032

1.2 1.2 3MM

1-2935

K1-2935

427

4.000

6.100

.943

Dish-29cc

1.140

9.56

9.40

8.94

2-FX

2618

1.2 1.2 3MM

2-2935

K2-2935

427

4.000

6.100

.943

Dish-29cc

1.140

9.56

9.40

8.94

3-FX

2618

1.2 1.2 3MM

3-2935

K3-2935

427

4.000

6.125

.927

Flat Top -5cc

1.115

12.48

12.18

11.39

1-FX

4032

1.2 1.2 3MM

1-2920

K1-2920

427

4.000

6.125

.927

Flat Top -5cc

1.115

12.48

12.18

11.39

2-FX

2618

1.2 1.2 3MM

2-2920

K2-2920

427

4.000

6.125

.927

Flat Top -5cc

1.115

12.48

12.18

11.39

3-FX

2618

1.2 1.2 3MM

3-2920

K3-2920

427

4.000

6.125

.927

Dish -10cc

1.115

11.24

11.00

10.36

SX

4032

1.5 1.5 3MM

1921

K1921

427

4.000

6.125

.927

Dish -10cc

1.115

11.24

11.00

10.36

1-FX

4032

1.2 1.2 3MM

1-2921

K1-2921

427

4.000

6.125

.927

Dish -10cc

1.115

11.24

11.00

10.36

2-FX

2618

1.2 1.2 3MM

2-2921

K2-2921

427

4.000

6.125

.927

Dish -10cc

1.115

11.24

11.00

10.36

3-FX

2618

1.2 1.2 3MM

3-2921

K3-2921

427

4.000

6.125

.927

Dish-15cc

1.115

10.92

10.70

10.09

SX

4032

1.5 1.5 3MM

1923

K1923

427

4.000

6.125

.927

Dish-15cc

1.115

10.92

10.70

10.09

1-FX

4032

1.2 1.2 3MM

1-2923

K1-2923

427

4.000

6.125

.927

Dish-15cc

1.115

10.92

10.70

10.09

2-FX

2618

1.2 1.2 3MM

2-2923

K2-2923

427

4.000

6.125

.927

Dish-15cc

1.115

10.92

10.70

10.09

3-FX

2618

1.2 1.2 3MM

3-2923

K3-2923

427

4.000

6.125

.927

Dish -22cc

1.115

9.98

9.80

9.30

SX

4032

1.5 1.5 3MM

1924

K1924

427

4.000

6.125

.927

Dish -22cc

1.115

9.98

9.80

9.30

1-FX

402

1.2 1.2 3MM

1-2924

K1-2924

427

4.000

6.125

.927

Dish -22cc

1.115

9.98

9.80

9.30

2-FX

2618

1.2 1.2 3MM

2-2924

K2-2924

427

4.000

6.125

.927

Dish -22cc

1.115

9.98

9.80

9.30

3-FX

2618

1.2 1.2 3MM

3-2924

K3-2924

427

4.000

6.125

.927

Dish -29cc

1.115

9.56

9.40

8.94

SX

4032

1.5 1.5 3MM

1925

K1925

427

4.000

6.125

.927

Dish -29cc

1.115

9.56

9.40

8.94

1-FX

4032

1.2 1.2 3MM

1-2925

K1-2925

427

4.000

6.125

.927

Dish -29cc

1.115

9.56

9.40

8.94

2-FX

2618

1.2 1.2 3MM

2-2925

K2-2925

427

4.000

6.125

.927

Dish -29cc

1.115

9.56

9.40

8.94

3-FX

2618

1.2 1.2 3MM

3-2925

K3-2925

427

4.000

6.100

.943

Flat Top -5cc

1.140

12.48

12.18

11.39

SX

4032

1.5 1.5 3MM

1930

K1930

427

4.000

6.100

.943

Flat Top -5cc

1.140

12.48

12.18

11.39

1-FX

4032

1.2 1.2 3MM

1-2930

K1-2930

427

4.000

6.100

.943

Flat Top -5cc

1.140

12.48

12.18

11.39

2-FX

2618

1.2 1.2 3MM

2-2930

K2-2930

427

4.000

6.100

.943

Flat Top -5cc

1.140

12.48

12.18

11.39

3-FX

2618

1.2 1.2 3MM

3-2930

K3-2930

427

4.000

6.100

.943

Dome +6cc

1.140

13.52

13.17

12.23

1-FX

4032

1.2 1.2 3MM

1-2932

K1-2932

427

4.000

6.100

.943

Dome +6cc

1.140

13.52

13.17

12.23

2-FX

2618

1.2 1.2 3MM

2-2932

K2-2932

427

4.000

6.100

.943

Dome +6cc

1.140

13.52

13.17

12.23

3-FX

2618

1.2 1.2 3MM

3-2932

K3-2932

427

4.000

6.067

.927

Flat Top -5cc

1.173

12.19

11.91

11.15

1-FX

4032

1.2 1.2 3MM

1-2950

K1-2950

427

4.000

6.067

.927

Flat Top -5cc

1.173

12.19

11.91

11.15

2-FX

2618

1.2 1.2 3MM

2-2950

K2-2950

427

4.000

6.067

.927

Flat Top -5cc

1.173

12.19

11.91

11.15

3-FX

2618

1.2 1.2 3MM

3-2950

K3-2950

427

4.000

6.067

.927

Dome+6CC

1.173

13.52

13.17

12.23

1-FX

4032

1.2 1.2 3MM

1-2952

K1-2952

427

4.000

6.067

.927

Dome+6CC

1.173

13.52

13.17

12.23

2-FX

2618

1.2 1.2 3MM

2-2952

K2-2952

427

4.000

6.067

.927

Dome+6CC

1.173

13.52

13.17

12.23

3-FX

2618

1.2 1.2 3MM

3-2952

K3-2952

427

4.000

6.067

.927

Dish -10cc

1.173

11.24

11.00

10.36

1-FX

4032

1.2 1.2 3MM

1-2951

K1-2951

427

4.000

6.067

.927

Dish -10cc

1.173

11.24

11.00

10.36

2-FX

2618

1.2 1.2 3MM

2-2951

K2-2951

427

4.000

6.067

.927

Dish -10cc

1.173

11.24

11.00

10.36

3-FX

2618

1.2 1.2 3MM

3-2951

K3-2951

427

4.000

6.067

.927

Dish-15cc

1.173

10.92

10.70

10.09

1-FX

4032

1.2 1.2 3MM

1-2953

K1-2953

427

4.000

6.067

.927

Dish-15cc

1.173

10.92

10.70

10.09

2-FX

2618

1.2 1.2 3MM

2-2953

K2-2953

427

4.000

6.067

.927

Dish-15cc

1.173

10.92

10.70

10.09

3-FX

2618

1.2 1.2 3MM

3-2953

K3-2953

427

4.000

6.067

.927

Dish -22cc

1.173

9.98

9.80

9.30

1-FX

4032

1.2 1.2 3MM

1-2954

K1-2954

427

4.000

6.067

.927

Dish -22cc

1.173

9.98

9.80

9.30

2-FX

2618

1.2 1.2 3MM

2-2954

K2-2954

427

4.000

6.067

.927

Dish -22cc

1.173

9.98

9.80

9.30

3-FX

2618

1.2 1.2 3MM

3-2954

K3-2954

427

4.000

6.067

.927

Dish -29cc

1.173

10.11

9.40

8.94

1-FX

4032

1.2 1.2 3MM

1-2955

K1-2955

427

4.000

6.067

.927

Dish -29cc

1.173

10.11

9.40

8.94

2-FX

2618

1.2 1.2 3MM

2-2955

K2-2955

427

4.000

6.067

.927

Dish -29cc

1.173

10.11

9.40

8.94

3-FX

2618

1.2 1.2 3MM

3-2955

K3-2955

SX-FX LS7 7.0 & LS7 Stroker 4.125 STD. Bore.

LS7 Available Bore Sizes: (4.125 = STD.) (4.130 = .005) (4.155 = .030) (4.165 = .040) (4.185 = .060) Add the Bore size to the end of the Piston part # IE. 2920DX-4030 for a .030 oversize.

CID

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

Series

Alloy

Ring Pack

Piston part #

Piston & Ring Kit

64cc

66cc

72cc

441

4.125

6.125

.927

Flat Top -5cc

1.052

12.33

12.25

11.46

1-FX

4032

1.2 1.2 3MM

1-2940

K1-2940

441

4.125

6.125

.927

Flat Top -5cc

1.052

12.33

12.25

11.46

2-FX

2618

1.2 1.2 3MM

2-2940

K2-2940

441

4.125

6.125

.927

Flat Top -5cc

1.052

12.33

12.25

11.46

3-FX

2618

1.2 1.2 3MM

3-2940

K3-2940

441

4.125

6.125

.927

Dome +6cc

1.052

13.59

13.55

12.58

1-FX

4032

1.2 1.2 3MM

1-2942

K1-2942

441

4.125

6.125

.927

Dome +6cc

1.052

13.59

13.55

12.58

2-FX

2618

1.2 1.2 3MM

2-2942

K2-2942

441

4.125

6.125

.927

Dome +6cc

1.052

13.59

13.55

12.58

3-FX

2618

1.2 1.2 3MM

3-2942

K3-2942

441

4.125

6.125

.927

Dish -10cc

1.052

11.56

11.32

10.65

1-FX

4032

1.2 1.2 3MM

1-2941

K1-2941

441

4.125

6.125

.927

Dish -10cc

1.052

11.56

11.32

10.65

2-FX

2618

1.2 1.2 3MM

2-2941

K2-2941

441

4.125

6.125

.927

Dish -10cc

1.052

11.56

11.32

10.65

3-FX

2618

1.2 1.2 3MM

3-2941

K3-2941

441

4.125

6.125

.927

Dish-15cc

1.052

11.23

11.00

10.38

1-FX

4032

1.2 1.2 3MM

1-2943

K1-2943

441

4.125

6.125

.927

Dish-15cc

1.052

11.23

11.00

10.38

2-FX

2618

1.2 1.2 3MM

2-2943

K2-2943

441

4.125

6.125

.927

Dish-15cc

1.052

11.23

11.00

10.38

3-FX

2618

1.2 1.2 3MM

3-2943

K3-2943

441

4.125

6.125

.927

Dish -22cc

1.052

10.26

10.07

9.56

1-FX

4032

1.2 1.2 3MM

1-2944

K1-2944

441

4.125

6.125

.927

Dish -22cc

1.052

10.26

10.07

9.56

2-FX

2618

1.2 1.2 3MM

2-2944

K2-2944

441

4.125

6.125

.927

Dish -22cc

1.052

10.26

10.07

9.56

3-FX

2618

1.2 1.2 3MM

3-2944

K3-2944

441

4.125

6.125

.927

Dish -29cc

1.052

9.83

9.66

9.19

1-FX

4032

1.2 1.2 3MM

1-2945

K1-2945

441

4.125

6.125

.927

Dish -29cc

1.052

9.83

9.66

9.19

2-FX

2618

1.2 1.2 3MM

2-2945

K2-2945

441

4.125

6.125

.927

Dish -29cc

1.052

9.83

9.66

9.19

3-FX

2618

1.2 1.2 3MM

3-2945

K3-2945







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