Forged PISTONS for 318 -340 - 360 Small Block Mopar and Late model HEMI

 
DSS piston comparason chart

 

Forged PISTONS for 318 -340 - 360 Small Block Mopar and Late model HEMI

GSX 318 / 340 Mopar (318 3.910 STD. Bore. ) (340 4.040 STD. Bore.)

Available Bore Sizes: 318 (3.910 = STD) ( 3.940 = .030 ) ( 3.950 = .040 ) (3.970 = .060 )

340 (4.040 = STD.) (4.070 = .030) (4.080 = .040) (4.100= .060)

Add the bore size to the end of the part # IE. 6300X-4070 for a 4.070 bore size.

RING GROOVE

1/16 1/16 3/16

MOPAR CID.

Crank Stroke

Rod C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

Head Type

GSX

Pistons

GSX Piston

& Ring Kit

62cc

64cc

72cc

318

3.310

6.123

0.984

Flat Top -5cc

1.802

9.61

9.39

8.60

Mopar

6300CX

PRK6300CX

340

3.310

6.123

0.984

Flat Top -5cc

1.802

10.19

9.95

9.12

Mopar

6300X

PRK6300X

340

3.310

6.123

0.984

Dish -16cc

1.802

9.02

8.84

8.19

Mopar

6303X

PRK6303X

GSX 360 Mopar 4.000 STD. Bore.

Available Bore Sizes (4.000 = STD.) (4.030 = .030) (4.040 = .040) (4.060 = .060)

Add the bore size to the end of the part # IE. 6350X-4030 for a 4.030 bore size.

RING GROOVE

1/16 1/16 3/16

MOPAR

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

Head Type

GSX

Pistons

GSX Piston

& Ring Kit

62cc

64cc

72cc

360

3.580

6.123

0.984

Flat Top -5cc

1.667

10.75

10.49

9.61

Mopar

6350X

PRK6350X

360

3.580

6.123

0.984

Dish -18cc

1.667

9.32

9.13

8.47

Mopar

6353X

PRK6353X

410

4.000

6.123

0.984

Flat Top -5cc

1.457

11.89

11.61

10.62

Mopar

6400X

PRK6400X

410

4.000

6.123

0.984

Dish -18cc

1.667

10.29

10.09

9.35

Mopar

6403X

PRK6403X

410

4.000

6.123

0.984

Dish -28cc

1.457

9.35

9.18

8.58

Mopar

6405X

PRK6405X

GSX-FX Mopar 5.7 Hemi & Strokers 3.917 STD. Bore.

Available Bore Sizes (3.917 = STD.) (3.927 = .010) (3.937 = .020) (3.947 = .030) (3.957 = .040)

Add the bore size to the end of the part # IE. 6500X-3947 for a .030 over bore size.

RING GROOVE

1.5 1.5 3.0

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

Head Type

GSX

Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kits

72cc

78cc

85cc

345

3.578

6.243

0.945

Flat Top -5cc

1.210

9.29

8.75

8.20

Hemi

6500X

PRK6500X

26500X

PRK26500

345

3.578

6.243

0.945

Dish -12cc

1.210

8.66

8.19

7.71

Hemi

6503X

PRK6503X

26503X

PRK26503

345

3.578

6.243

0.945

Dome +4cc

1.210

10.27

9.95

8.92

Hemi

6506X

PRK6506X

26506X

PRK26506

345

3.578

6.243

0.927

Flat Top -5cc

1.210

9.29

8.75

8.20

Hemi

6510BX

PRK6510BX

26510BX

PRK26510B

345

3.578

6.243

0.927

Dish -12cc

1.210

8.66

8.19

7.71

Hemi

6513BX

PRK6513BX

26513BX

PRK26513B

345

3.578

6.243

0.927

Dome +4cc

1.210

10.27

9.95

7.71

Hemi

6516BX

PRK6516BX

26516BX

PRK26516B

366

3.795

6.125

0.927

Flat Top -5cc

1.210

9.79

9.22

8.64

Hemi

6510X

PRK6510X

26510X

PRK26510

366

3.795

6.125

0.927

Dish -12cc

1.210

9.13

8.63

8.12

Hemi

6513X

PRK6513X

26513X

PRK26513

366

3.795

6.125

0.927

Dome +4cc

1.210

10.83

10.11

9.40

Hemi

6516X

PRK6516X

26516X

PRK26516

390

4.050

6.125

0.927

Flat Top -5cc

1.090

10.39

9.77

9.15

Hemi

6520X

PRK6520X

26520X

PRK26520

390

4.050

6.125

0.927

Dish Top -18cc

1.090

9.14

8.67

8.19

Hemi

6523X

PRK6523X

26523X

PRK26523

390

4.050

6.125

0.927

Dome +4cc

1.090

11.49

10.73

9.96

Hemi

6526X

PRK6526X

26526X

PRK26526

GSX-FX Mopar 6.1 Hemi & Strokers 4.055 STD. Bore.

Available Bore Sizes (4.055 = STD) (4.065 = .010) (4.075 = .020) (4.085 = .030)

Add the bore size to the end of the part # IE. 6550X-4085 for a 4.085 bore size.

RING GROOVE

1.5 1.5 3.0

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

Head Type

GSX Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kits

72cc

78cc

85cc

369

3.578

6.243

0.984

Flat Top -5cc

1.210

9.84

9.26

8.68

Hemi

6550X

PRK6550X

26550X

PRK26550

369

3.578

6.243

0.984

Dome +4cc

1.210

10.88

10.16

9.45

Hemi

6556X

PRK6556X

26556X

PRK26556

369

3.578

6.243

0.984

Dish -12cc

1.210

9.19

8.69

8.18

Hemi

6553X

PRK6553X

26553X

PRK26553

392

3.795

6.125

0.927

Flat Top -5cc

1.210

10.38

9.76

9.14

Hemi

6560X

PRK6560X

26560X

PRK26560

392

3.795

6.125

0.927

Dish -17cc

1.210

9.67

9.14

8.60

Hemi

6563X

PRK6563X

26563X

PRK26563

392

3.795

6.125

0.927

Dome +4cc

1.210

11.48

10.72

9.96

Hemi

6566X

PRK6566X

26566X

PRK26566

369

3.578

6.243

0.927

Flat Top -5cc

1.210

9.84

9.26

8.68

Hemi

6560BX

PRK6560BX

26560BX

PRK26560B

369

3.578

6.243

0.927

Dish -17cc

1.210

9.19

8.69

8.18

Hemi

6563BX

PRK6563BX

26563BX

PRK26563B

369

3.578

6.243

0.927

Dome +4cc

1.210

10.88

10.16

9.45

Hemi

6566BX

PRK6566BX

26566BX

PRK26566B

418

4.050

6.125

0.927

Dish -7cc

1.090

10.80

10.17

9.54

Hemi

6571X

PRK6571X

26571X

PRK26571

418

4.050

6.125

0.927

Dish -18cc

1.090

9.86

9.19

8.68

Hemi

6573X

PRK6573X

26573X

PRK26573

418

4.050

6.125

0.927

Dish -23cc

1.090

9.29

8.8.4

8.37

Hemi

6575X

PRK6575X

26575X

PRK26575

418

4.050

6.125

0.927

Dome +4CC

1.090

12.18

11.57

10.56

Hemi

6576X

PRK6576X

26576X

PRK26576

GSX-FX Mopar 6.2 Hemi 4.090 STD. Bore.

Available Bore Sizes (4.090 = STD) (4.100 = .010) (4.125 = .035)

Add the bore size to the end of the part #

IE. 6550X-4095 for a 4.095 bore size.

RING GROOVE

1.5 1.5 3.0

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

Head Type

GSX Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kits

72cc

78cc

85cc

376

3.578

6.200

0.927

Flat Top -5cc

1.275

9.99

9.41

8.81

Hemi

6580X

PRK6580X

26580X

PRK26580

376

3.578

6.200

0.927

Dome +1.5cc

1.275

10.73

10.05

9.36

Hemi

6586X

PRK6586X

26586X

PRK26586

376

3.578

6.200

0.927

Dish -10cc

1.275

9.50

9.87

8.43

Hemi

6583X

PRK6583X

26583X

PRK26583

GSX-FX Mopar 6.4 Hemi 4.090 STD. Bore.

Available Bore Sizes (4.090 = STD) (4.095 = .005) (4.100 = .010)

Add the bore size to the end of the part # IE. 6550X-4095 for a 4.095 bore size.

RING GROOVE

1.5 1.5 3.0

CID.

Crank Stroke

Rod

C to C

Pin Dia.

Crown Type

Pin

Hgt

Aprox. Comp. Ratio

Head Type

GSX Pistons

GSX Piston & Ring Kit

FX

Pistons

FX Piston & Ring Kits

72cc

78cc

85cc

392

3.720

6.200

0.984

Flat Top -5cc

1.210

10.35

9.74

9.12

Hemi

6550CX

PRK6550CX

26550CX

PRK26550C

392

3.720

6.200

0.984

Dome +4cc

1.210

11.45

10.69

9.93

Hemi

6556CX

PRK6556CX

26556CX

PRK26556C

392

3.720

6.200

0.984

Dish -12cc

1.210

9.64

9.12

8.58

Hemi

6553CX

PRK6553CX

26553CX

PRK26553C

392

3.720

6.200

0.927

Flat Top -5cc

1.210

10.35

9.74

9.12

Hemi

6560CX

PRK6560CX

26560CX

PRK26560C

392

3.720

6.200

0.927

Dome +4cc

1.210

11.45

10.64

9.93

Hemi

6566CX

PRK6566CX

26566CX

PRK26566C

392

3.720

6.200

0.927

Dish -17cc

1.210

9.64

9.12

8.58

Hemi

6563CX

PRK6563CX

26563CX

PRK26563C