Forged PISTONS for LS 5.3,5.7,LS1,LS2,LS3,LS7,LS9,LQ4,LQ9,LSA

 
DSS piston comparason chart

Chevy 5.3,5.7,LS1,LS6

SX-GSX-FX 5.3 - 3.780 STD. Bore. & 5.7L /LS1/LS6 GM 3.898 STD. Bore.

5.3 - 3.780 STD. Bore. Available Bore Sizes (3.780 = STD) (3.785=.005) (3.810 = .030) (3.820 = .040) (3.840=.060)

5.7L /LS1/LS6 GM Available Bore Sizes: (3.898 = STD.) (3.903 = .005) (3.913 = .015) Add the Bore size to the end of the part # IE. 2900-3903 for a .005 oversize. IE. 2900-3898 for a Std bore size

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

CID.

Crank Stroke

Rod

C to C

Pin

Dia.

Crown

Type

Pin

Hgt

Aprox. Comp. Ratio

SX

Pistons

SX Piston & Ring Kit

GSX Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kit

64cc

66cc

72cc

323/350

3.622

6.125

.927

FT-5cc

1.305

10.80

9.86

9.25

1800SX

PRK1800

2800X

PRK2800

22800X

PRK22800

323/350

3.622

6.125

.927

Dome +6cc

1.305

11.21

10.62

9.85

N/A

N/A

2802X

PRK2802X

22802X

PRK22802

323/350

3.622

6.125

.927

D-15cc

1.305

9.62

8.88

8.39

1803SX

PRK1803

2803X

PRK2803

22803X

PRK22803

323/350

3.622

6.100

.9435

FT-5cc

1.330

10.80

9.86

9.25

1810SX

PRK1810

2810X

PRK2810

22810X

PRK22810

323/350

3.622

6.100

.9435

Dome +6cc

1.330

11.21

10.62

9.85

N/A

N/A

2812X

PRK2812X

22812X

PRK22812

323/350

3.622

6.100

.9435

D-15cc

1.330

10.80

9.86

9.25

1813SX

PRK1813

2813X

PRK2813

22813X

PRK22813

SX-GSX-FX 5.3 - 3.780 STD. Bore. & 5.7L /LS1/LS6 GM 3.898 STD. Bore.

5.3 - 3.780 STD. Bore. Available Bore Sizes (3.780 = STD) (3.785=.005) (3.810 = .030) (3.820 = .040) (3.840=.060)

5.7L /LS1/LS6 GM Available Bore Sizes: (3.898 = STD.) (3.903 = .005) (3.913 = .015) Add the Bore size to the end of the part # IE. 2900-3903 for a .005 oversize. IE. 2900-3898 for a Std bore size

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

SX

Pistons

SX Piston & Ring Kit

GSX Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kit

64cc

66cc

72cc

362

3.900

6.125

.927

FT -5cc

1.165

10.52

10.29

9.66

1860SX

PRK1860SX

2860X

PRK2860X

22860X

PRK22860

362

3.900

6.125

.927

Dish +6cc

1.305

11.21

10.62

9.85

N/A

N/A

2862X

PRK2862X

22862X

PRK22862

362

3.900

6.125

.927

D-15cc

1.165

9.46

9.28

9.77

1863SX

PRK1863SX

2863X

PRK2863X

22863X

PRK22863

362

3.900

6.125

.927

D-29CC

1.165

8.19

8.06

7.67

1865SX

PRK1865SX

2865X

PRK2865X

22865X

PRK22865

SX-GSX-FX 5.3 - 3.780 STD. Bore. & 5.7L /LS1/LS6 GM 3.898 STD. Bore.

5.3 - 3.780 STD. Bore. Available Bore Sizes (3.780 = STD) (3.785=.005) (3.810 = .030) (3.820 = .040) (3.840=.060)

5.7L /LS1/LS6 GM Available Bore Sizes: (3.898 = STD.) (3.903 = .005) (3.913 = .015) Add the Bore size to the end of the part # IE. 2900-3903 for a .005 oversize. IE. 2900-3898 for a Std bore size

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

CID.

Crank Stroke

Rod

C to C

Pin

Dia.

Crown

Type

Pin

Hgt

Aprox. Comp. Ratio

SX

Pistons

SX Piston & Ring Kit

GSX Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kit

64cc

66cc

72cc

382

4.000

6.125

.927

FT -5cc

1.115

11.04

10.79

10.11

1900SX

PRK1900SX

2900X

PRK2900X

22900X

PRK22900

382

4.000

6.125

.927

Dome +6cc

1.115

11.94

11.62

10.77

N/A

N/A

2902X

PRK2902X

22902X

PRK22902

382

4.000

6.125

.927

Dish-15cc

1.115

9.90

9.70

9.16

1903SX

PRK1903SX

2903X

PRK2903X

22903X

PRK22903

382

4.000

6.125

.927

Dish-29cc

1.115

8.68

8.53

8.12

1905SX

PRK1905SX

2905X

PRK2905X

22905X

PRK22905

382

4.000

6.100

.9435

FT-5cc

1.140

11.04

10.79

10.11

1910SX

PRK1910SX

2910X

PRK2910X

22910X

PRK22910

382

4.000

6.100

.9435

Dome +6cc

1.140

11.94

11.62

10.77

N/A

N/A

2912X

PRK2912X

22912X

PRK22912

382

4.000

6.100

.9435

Dish-15cc

1.140

9.90

9.70

9.16

1913SX

PRK1913SX

2913X

PRK2913X

22913X

PRK22913

382

4.000

6.100

.9435

Dish-29cc

1.140

8.68

8.53

8.12

1915SX

PRK1915SX

2915X

PRK2915X

22915X

PRK22915

Chevy LS2 6.0

SX-GSX-FX LS2 6.0 GM 4.000 STD. Bore.

LS2 Available Bore Sizes: (4.000 = STD.) (4.005 = .005) (4.030 = .030) (4.040 = .040) (4.060 = .060) Add the Bore size to the end of the part # IE. 2820BX-4030 for a .030 oversize.

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

SX

Pistons

SX Piston & Ring Kit

GSX Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kit

64cc

66cc

72cc

364

3.622

6.100

.9435

Flat Top -5cc

1.330

10.83

10.57

9.89

1830BSX

PRK1830BSX

2830BX

PRK2830BX

22830BX

PRK22830B

364

3.622

6.100

.9435

Dome +6cc

1.330

11.87

11.56

10.57

N/A

N/A

2832BX

PRK2832BX

22832BX

PRK22832B

364

3.622

6.100

.9435

Dish -15cc

1.330

9.48

9.30

8.78

1833BSX

PRK1833BSX

2833BX

PRK2833BX

22833BX

PRK22833B

364

3.622

6.100

.9435

Dish -29cc

1.330

8.32

8.18

7.79

1835BSX

PRK1835BSX

2835BX

PRK2835BX

22835BX

PRK22835B

364

3.622

6.125

.927

Flat Top -5cc

1.305

10.83

10.57

9.89

1820BSX

PRK1820BSX

2820BX

PRK2820BX

22820BX

PRK22820B

364

3.622

6.125

.927

Dish -15cc

1.305

9.48

9.30

8.78

1823BSX

PRK1823BSX

2823BX

PRK2823BX

22823BX

PRK22823B

364

3.622

6.125

.927

Dish -29cc

1.305

8.32

8.18

7.79

1825BSX

PRK1825BSX

2825BX

PRK2825BX

22825BX

PRK22825B

SX-GSX-FX LS2 6.0 GM 4.000 STD. Bore.

LS2 Available Bore Sizes: (4.000 = STD.) (4.005 = .005) (4.030 = .030) (4.040 = .040) (4.060 = .060) Add the Bore size to the end of the part # IE. 2920BX-4030 for a .030 oversize.

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

SX

Pistons

GSX Piston & Ring Kit

GSX Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kit

64cc

66cc

72cc

402

4.000

6.100

.9435

Flat Top -5cc

1.140

11..57

11.31

10.54

1930BSX

PRK1930BSX

2930BX

PRK2930BX

22930BX

PRK22930B

402

4.000

6.100

.9435

Dome +6cc

1.140

13.00

12.66

11.76

N/A

N/A

2932BX

PRK2932BX

22932BX

PRK22932B

402

4.000

6.100

.9435

Dish -15cc

1.140

10.37

10.16

9.59

1933BSX

PRK1933BSX

2933BX

PRK2933BX

22933BX

PRK22933B

402

4.000

6.100

.9435

Dish -29cc

1.140

9.08

8.93

8.49

1935BSX

PRK1935BSX

2935BX

PRK2935BX

22935BX

PRK22935B

402

4.000

6.125

.927

Flat Top -5cc

1.115

11.57

11.31

10.54

1920BSX

PRK1920BSX

2920BX

PRK2920BX

22920BX

PRK22920B

402

4.000

6.125

.927

Dome +6cc

1.115

13.00

12.66

11.76

N/A

N/A

2922BX

PRK2922BX

22922BX

PRK22922B

402

4.000

6.125

.927

Dish -15cc

1.115

10.37

10.16

9.59

1923BSX

PRK1923BSX

2923BX

PRK2923BX

22923BX

PRK22923B

402

4.000

6.125

.927

Dish -29cc

1.115

9.08

8.93

8.49

1925BSX

PRK1925BSX

2925BX

PRK2925BX

22925BX

PRK22925B

415

4.125

6.125

.927

Flat Top -5cc

1.052

11.90

11.63

10.89

N/A

N/A

2940BX

PRK2940BX

22940BX

PRK22940B

415

4.125

6.125

.927

Dome +6cc

1.025

13.37

13.03

12.10

N/A

N/A

2942BX

PRK2942BX

22942BX

PRK22942B

415

4.125

6.125

.927

Dish -15cc

1.052

10.66

10.45

9.86

N/A

N/A

2943BX

PRK2943BX

22943BX

PRK22943B

415

4.125

6.125

.927

Dish -29cc

1.052

9.34

9.18

8.73

N/A

N/A

2945BX

PRK2945BX

22945BX

PRK22945B

Chevy LS3/L99/LSA/LS9 6.2

SX-GSX-FX LS3/L99/LSA/LS9 GM 4.065 STD. Bore.

LS3 Available Bore Sizes: (4.065 = STD.) (4.070 = .005) (4.075 = .010) Add the Bore size to the end of the part # IE. 2820-4030 for a .030 oversize. IE. 2870CX-4065 for a Std bore size

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

SX

Pistons

SX Piston & Ring Kit

GSX Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kit

64cc

66cc

72cc

387

3.800

6.125

.927

FT-5cc

1.215

10.99

10.75

10.09

1870CSX

PRK1870CSX

2870CX

PRK2870CX

22870CX

PRK22870C

387

3.800

6.125

.927

Dome+6cc

1.115

12.60

12.27

11.40

N/A

N/A

2872CX

PRK2872CX

22872CX

PRK22872C

387

3.800

6.125

.927

Dish-15cc

1.215

9.91

9.72

9.19

1873CSX

PRK1873CSX

2873CX

PRK2873CX

22873CX

PRK22873C

387

3.800

6.125

.927

Dish-29cc

1.215

9.11

8.95

8.51

1875CSX

PRK1875CSX

2875CX

PRK2875CX

22875CX

PRK22875C

SX-GSX-FX LS2 6.6 Stroker GM 4.000 STD. Bore.

LS2 Available Bore Sizes: (4.000 = STD.) (4.005 = .005) (4.030 = .030) (4.040 = .040) (4.060 = .060) Add the Bore size to the end of the part # IE. 2880BX-4030 for a .030 oversize.

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

SX

Pistons

SX Piston & Ring Kit

GSX Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kit

64cc

66cc

72cc

416

3.900

6.125

.927

FT-5cc

1.165

10.95

10.71

10.06

1880BSX

PRK1880BSX

2880BX

PRK2880BX

22880BX

PRK22880B

416

3.900

6.125

.927

Dome+6cc

1.115

12.53

12.20

11.34

N/A

N/A

2882BX

PRK2882BX

22882BX

PRK22882B

416

3.900

6.125

.927

Dish-15cc

1.165

9.86

9.67

9.14

1883BSX

PRK1883BSX

2883BX

PRK2883BX

22883BX

PRK22883B

416

3.900

6.125

.927

Dish-29cc

1.165

9.06

8.90

8.46

1885BSX

PRK1885BSX

2885BX

PRK2885BX

22885BX

PRK22885B

SX-GSX-FX LS2 6.6 GM Stroker 4.000 STD. Bore.

LS2 Available Bore Sizes: (4.000 = STD.) (4.005 = .005) (4.030 = .030) (4.040 = .040) (4.060 = .060) Add the Bore size to the end of the part # IE. 2870BX-4030 for a .030 oversize.

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

SX

Pistons

GSX Piston & Ring Kit

GSX Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kit

64cc

66cc

72cc

406

3.800

6.125

.927

FT-5cc

1.215

10.70

10.46

9.82

1870BSX

PRK1870BSX

2870BX

PRK2870BX

22870BX

PRK22870B

406

3.800

6.125

.927

Dome+6cc

1.115

12.40

12.08

11.23

N/A

N/A

2872BX

PRK2872BX

22872BX

PRK22872B

406

3.800

6.125

.927

Dish-15cc

1.215

9.63

9.44

8.93

1873BSX

PRK1873BSX

2873BX

PRK2873BX

22873BX

PRK22873B

406

3.800

6.125

.927

Dish-29cc

1.215

8.85

8.70

8.27

1875BSX

PRK1875BSX

2875BX

PRK2875BX

22875BX

PRK22875B

SX-GSX-FX LS3 6.2 GM - 4.065 STD. Bore.

Available Bore Sizes (STD. Bore 4.065 ) (.005 over 4.070) (0.010 over 4.075). Add the Bore size to the end of the part # IE. 2820CX-4070 for a .005 oversize.

IE. 2820CX-4065 for a STD bore size.

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

SX

Pistons

SX Piston & Ring Kit

GSX

Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kit

64cc

66cc

72cc

376

3.622

6.100

.9435

Flat Top -5cc

1.330

11.12

10.87

10.16

1830CSX

PRK1830CSX

2830CX

PRK2830CX

22830CX

PRK22830C

376

3.622

6.100

.9435

Dome +6cc

1.330

12.06

11.75

10.92

N/A

N/A

2832CX

PRK2832CX

22832CX

PRK22832C

376

3.622

6.100

.9435

Dish -15cc

1.330

9.75

9.55

9.02

1833CSX

PRK1833CSX

2833CX

PRK2833CX

22833CX

PRK22833C

376

3.622

6.100

.9435

Dish -29cc

1.330

8.55

8.40

8.00

1835CSX

PRK1835CSX

2835CX

PRK2835CX

22835CX

PRK22835C

376

3.622

6.125

.927

Flat Top -5cc

1.305

11.12

10.87

10.16

1820CSX

PRK1820CSX

2820CX

PRK2820CX

22820CX

PRK22820C

376

3.622

6.125

.927

Dome +6cc

1.305

12.06

11.75

10.92

N/A

N/A

2822CX

PRK2822CX

22822CX

PRK22822C

376

3.622

6.125

.927

Dish -15cc

1.305

9.75

9.55

9.02

1823CSX

PRK1823CSX

2823CX

PRK2823CX

22823CX

PRK22823C

376

3.622

6.125

.927

Dish -29cc

1.305

8.55

8.40

8.00

1825CSX

PRK1825CSX

2825CX

PRK2825CX

22825CX

PRK22825C

SX-GSX-FX LS3/L99/LSA/LS9 GM 4.065 STD. Bore.

LS3 Available Bore Sizes: (4.065 = STD.) (4.070 = .005) (4.075 = .010) Add the Bore size to the end of the part # IE. 2820-4030 for a .030 oversize. IE. 2880CX-4065 for a Std bore size

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

SX

Pistons

SX Piston & Ring Kit

GSX Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kit

64cc

66cc

72cc

416

3.900

6.125

.927

FT-5cc

1.165

11.28

11.03

10.35

1880CSX

PRK1880CSX

2880CX

PRK2880CX

22880CX

PRK22880C

416

3.900

6.125

.927

Dome+6cc

1.115

12.90

12.57

11.68

N/A

N/A

2882CX

2882CX

22882CX

PRK22882C

416

3.900

6.125

.927

Dish-15cc

1.165

10.15

9.95

9.41

1883CSX

PRK1883CSX

2883CX

PRK2883CX

22883CX

PRK22883C

416

3.900

6.125

.927

Dish-29cc

1.165

9.30

9.14

8.68

1885CSX

PRK1885CSX

2885CX

PRK2885CX

22885CX

PRK22885C

SX-GSX-FX LS3 6.2 GM Stroker - 4.065 STD. Bore.

Bore Sizes (STD. Bore 4.065 ) (.005 over 4.070) (.010 over 4.075).

Add the Bore size to the end of the part #

IE. 2920CX-4070 for a .005 oversize.

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

SX

Pistons

SX piston & Ring Kit

GSX Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kits

64cc

66cc

72cc

415

4.000

6.100

.9435

Flat Top -5cc

1.140

11.89

11.62

10.88

1930CSX

PRK1930CSX

2930CX

PRK2930CX

22930CX

PRK22930C

415

4.000

6.100

.9435

Dome +6cc

1.140

13.21

12.87

11.95

N/A

N/A

2932CX

PRK2932CX

22932CX

PRK22932C

415

4.000

6.100

.9435

Dish -15cc

1.140

10.66

10.45

9.86

1933CSX

PRK1933CSX

2933CX

PRK2933CX

22933CX

PRK22933C

415

4.000

6.100

.9435

Dish -29cc

1.140

9.70

9.33

8.73

1935CSX

PRK1935CSX

2935CX

PRK2935CX

22935CX

PRK22935C

415

4.000

6.125

.927

Flat Top -5cc

1.115

11.89

11.62

10.88

1920CSX

PRK1920CSX

2920CX

PRK2920CX

22920CX

PRK22920C

415

4.000

6.125

.927

Dome +6cc

1.115

13.21

12.87

11.95

N/A

N/A

2922CX

PRK2922CX

22922CX

PRK22922C

415

4.000

6.125

.927

Dish -15cc

1.115

10.66

10.45

9.86

1923CSX

PRK1923CSX

2923CX

PRK2923CX

22923CX

PRK22923C

415

4.000

6.125

.927

Dish -29cc

1.115

9.33

9.17

8.73

1925CSX

PRK1925CSX

2925CX

PRK2925CX

22925CX

PRK22925C

428

4.125

6.125

.927

Flat Top -5cc

1.052

12.24

11.95

11.19

1940CSX

PRK1940CSX

2940CX

PRK2940CX

22940CX

PRK22940C

428

4.125

6.125

.927

Flat Top +6cc

1.052

13.59

13.24

12.29

N/A

N/A

2942CX

PRK2942C

22942CX

PRK22942C

428

4.125

6.125

.927

Dish -15cc

1.052

10.96

10.74

10.13

1943CSX

PRK1943CSX

2943CX

PRK2943CX

22943CX

PRK22943C

428

4.125

6.125

.927

Dish -29cc

1.052

9.59

9.43

8.97

1945CSX

PRK1945CSX

2945CX

PRK2945CX

22945CX

PRK22945C

Chevy LS7/ LSX

SX-GSX-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 part # IE. 2880DX-4030 for a .030 oversize. IE. 2870DX-4125 for a Std bore size.

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

SX

Pistons

GSX Piston & Ring Kit

GSX Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kit

64cc

66cc

72cc

416

3.900

6.125

.927

FT-5cc

1.165

11.55

11.29

10.60

1880DSX

PRK1880DSX

2880DX

PRK2880DX

22880DX

PRK22880D

416

3.900

6.125

.927

Dome+6cc

1.115

13.20

12.86

11.95

N/A

N/A

2882DX

PRK2882DX

22882DX

PRK22882D

416

3.900

6.125

.927

Dish-15cc

1.165

10.39

10.18

9.63

1883DSX

PRK1883DSX

2883DX

PRK2883DX

22883DX

PRK22883D

416

3.900

6.125

.927

Dish-29cc

1.165

9.54

9.37

8.91

1885DSX

PRK1885DSX

2885DX

PRK2885DX

22885DX

PRK22885D

SX-GSX-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 part # IE. 2870DX-4155 for a .030 oversize.

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

SX

Pistons

GSX Piston & Ring Kit

GSX Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kit

64cc

66cc

72cc

406

3.800

6.125

.927

FT-5cc

1.215

11.27

11.03

10.35

1870DSX

PRK1870DSX

2870DX

PRK2870DX

22870DX

PRK22870D

406

3.800

6.125

.927

Dome+6cc

1.115

12.89

12.56

11.67

N/A

N/A

2872DX

PRK2872DX

22872DX

PRK22872D

406

3.800

6.125

.927

Dish-15cc

1.215

10.15

9.95

9.41

1873DSX

PRK1873DSX

2873DX

PRK2873DX

22873DX

PRK22873D

406

3.800

6.125

.927

Dish-29cc

1.215

9.32

9.16

8.71

1875DSX

PRK1875DSX

2875DX

PRK2875DX

22875DX

PRK22875D

SX-GSX-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 part # IE. 2880DX-4030 for a .030 oversize. IE. 2870DX-4125 for a Std bore size.

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

RING GROOVE

1.5-1.5-3MM

CID

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

SX

Pistons

GSX Piston & Ring Kit

GSX Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kit

64cc

66cc

72cc

427

4.000

6.100

.9435

Dish-15cc

1.140

10.92

10.70

10.09

1933DSX

PRK1933DSX

2933DX

PRK2933DX

22933DX

PRK22933D

427

4.000

6.100

.9435

Dish-29cc

1.140

9.56

9.40

8.94

1935DSX

PRK1935DSX

2935DX

PRK2935DX

22935DX

PRK22935D

427

4.000

6.125

.927

FT-5cc

1.115

12.48

12.18

11.39

1920DSX

PRK1920DSX

2920DX

PRK2920DX

22920DX

PRK22920D

427

4.000

6.125

.927

Dish-15cc

1.115

10.92

10.70

10.09

1923DSX

PRK1923DSX

2923DX

PRK2923DX

22923DX

PRK22923D

427

4.000

6.125

.927

Dish -29cc

1.115

9.56

9.40

8.94

1925DSX

PRK1925DSX

2925DX

PRK2925DX

22925DX

PRK22925D

427

4.000

6.100

.9435

FT-5cc

1.140

12.48

12.18

11.39

1930DSX

PRK1930DSX

2930DX

PRK2930DX

22930DX

PRK22930D

427

4.000

6.100

.9435

Dome +6cc

1.140

13.52

13.17

12.23

N/A

N/A

2932DX

PRK2932DX

22932DX

PRK22932D

427

4.100

6.067

.927

FT-5cc

1.173

12.19

11.91

11.15

N/A

N/A

2950DX

PRK2950DX

22950DX

PRK22950D

427

4.100

6.067

.927

Dome +6CC

1.173

13.52

13.17

12.23

N/A

N/A

2952DX

PRK2952DX

22952DX

PRK22952D

427

4.100

6.067

.927

Dish-15cc

1.173

10.92

10.70

10.09

N/A

N/A

2953DX

PRK2953DX

22953DX

PRK22953D

427

4.100

6.067

.927

Dish-29cc

1.173

10.11

9.40

8.94

N/A

N/A

2955DX

PRK2955DX

22955DX

PRK22955D

441

4.125

6.125

.927

FT -5cc

1.052

12.33

12.25

11.46

N/A

N/A

2940DX

PRK2940DX

22940DX

PRK22940D

441

4.125

6.125

.927

FT +6CC

1.052

13.59

13.55

12.58

N/A

N/A

2942DX

PRK2942DX

22942DX

PRK22942D

441

4.125

6.125

.927

Dish-15cc

1.052

11.23

11.00

10.38

N/A

N/A

2943DX

PRK2943DX

22943DX

PRK22943D

441

4.125

6.125

.927

Dish-29cc

1.052

9.83

9.66

9.19

N/A

N/A

2945DX

PRK2945DX

22945DX

PRK22945D