Forged PISTONS for AMC JEEP 4.0-4.7 6 CYLINDER

 
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fX Series pistons from $599.95

Ceramic Thermal Barrier coating on Top & Graphite Skirt Coating $550.00

The 'X Groove' Explained

JEEP 6 CYLINDER

GSX AMC/JEEP 4.0/4.7 6 cylinder

Available Bore Sizes (STD=3.875) (.030=3.905) (.040=3.915) (.060=3.935) Add the bore size to the end of the part # IE. 6650X-3.905 for a 3.905 bore size.

Series

CID.

Stroke

Rod Length

Pin Height

Pin Size

Ring Sizes

Piston Top

Compression Ratio

Head CC - Comp Ratio

Alloy

Pistons

Piston and

Ring Kits

1-FX

4

3.440"

6.125"

1.592"

.931

1.5/1.5/4MM

-5cc Jeep Flat Top

52cc-11.27, 55cc-10.82, 58cc-10.40

4032

1-6650 K1-6650

2-FX

4

3.440"

6.125"

1.592"

.931

1.5/1.5/4MM

-5cc Jeep Flat Top

52cc-11.27, 55cc-10.82, 58cc-10.40

2618

2-6650 K2-6650

3-FX

4

3.440"

6.125"

1.592"

.931

1.5/1.5/4MM

-5cc Jeep Flat Top

52cc-11.27, 55cc-10.82, 58cc-10.40

4032

3-6650 K3-6650

1-FX

4

3.440"

6.125"

1.592"

.931

1.5/1.5/4MM

-10cc Jeep Flat Top

52cc-10.53, 55cc-10.14, 58cc-9.78

4032

1-6652 K1-6652

2-FX

4

3.440"

6.125"

1.592"

.931

1.5/1.5/4MM

-10cc Jeep Flat Top

52cc-10.53, 55cc-10.14, 58cc-9.78

2618

2-6652 K2-6652

3-FX

4

3.440"

6.125"

1.592"

.931

1.5/1.5/4MM

-10cc Jeep Flat Top

52cc-10.53, 55cc-10.14, 58cc-9.78

4032

3-6652 K3-6652

1-FX

4

3.440"

6.125"

1.592"

.931"

1.5/1.5/4MM

-21cc Jeep Flat Top

52cc-9.24, 55cc-8.94, 58cc-8.67

4032

1-6653 K1-6653

2-FX

4

3.440"

6.125"

1.592"

.931

1.5/1.5/4MM

-21cc Jeep Flat Top

52cc-9.24, 55cc-8.94, 58cc-8.67

2618

2-6653 K2-6653

3-FX

4

3.440"

6.125"

1.592"

.931

1.5/1.5/4MM

-21cc Jeep Flat Top

52cc-9.24, 55cc-8.94, 58cc-8.67

4032

3-6653 K3-6653

1-FX

4.7

3.895"

6.125"

1.350"

.931

1.5/1.5/4MM

-10cc Jeep Flat Top

52cc-11.80, 55cc-11.35, 58cc-10.94

4032

1-6670 K1-6670

2-FX

4.7

3.895"

6.125"

1.350"

.931

1.5/1.5/4MM

-10cc Jeep Flat Top

52cc-11.80, 55cc-11.35, 58cc-10.94

2618

2-6670 K2-6670

3-FX

4.7

3.895"

6.125"

1.350"

.931

1.5/1.5/4MM

-10cc Jeep Flat Top

52cc-11.80, 55cc-11.35, 58cc-10.94

4032

3-6670 K3-6670

1-FX

4.7

3.895"

6.125"

1.350"

.931

1.5/1.5/4MM

-21cc Jeep Flat Top

52cc-10.32, 55cc-9.99, 58cc-9.68

4032

1-6673 K1-6673

2-FX

4.7

3.895"

6.125"

1.350"

.931

1.5/1.5/4MM

-21cc Jeep Flat Top

52cc-10.32, 55cc-9.99, 58cc-9.68

2618

2-6673 K2-6673

3-FX

4.7

3.895"

6.125"

1.350"

.931

1.5/1.5/4MM

-21cc Jeep Flat Top

52cc-10.32, 55cc-9.99, 58cc-9.68

4032

3-6673 K3-6673

1-FX

4.7

3.895"

6.125"

1.350"

.931

1.5/1.5/4MM

-27cc Jeep Flat Top

52cc-9.68, 55cc-9.39, 58cc-9.12

4032

1-6675 K1-6675

2-FX

4.7

3.895"

6.125"

1.350"

.931

1.5/1.5/4MM

-27cc Jeep Flat Top

52cc-9.68, 55cc-9.39, 58cc-9.12

2618

2-6675 K2-6675

3-FX

4.7

3.895"

6.125"

1.350"

.931

1.5/1.5/4MM

-27cc Jeep Flat Top

52cc-9.68, 55cc-9.39, 58cc-9.12

4032

3-6675 K3-6675

AMC V8 360-390-401

AMC 360 - 390 - 401

360 Available Bore Sizes 4.080, 4.110, 4.120, 4.140

390/401 Available Bore Sizes 4.165, 4.185, 4.195 Add the bore size to the end of the part # IE. 6600X-4080 for a 4.080 bore

Series

CID.

Stroke

Rod Length

Pin Height

Pin Size

Ring Sizes

Piston Top

Compression Ratio

Head CC - Comp Ratio

Alloy

Pistons

Piston and

Ring Kits

1-FX

360

3.440"

5.875"

1.590"

.930

1/16-1/16-3/16"

-5cc AMC Flat Top

50cc-12.59, 54cc-11.91, 58cc-11.30

4032

1-6600 K1-6600

2-FX

390

3.440"

5.875"

1.590"

.930

1/16-1/16-3/16"

-5cc AMC Flat Top

50cc-12.59, 54cc-11.91, 58cc-11.30

2618

2-6600 K2-6600

3-FX

390

3.440"

5.875"

1.590"

.930

1/16-1/16-3/16"

-5cc AMC Flat Top

50cc-12.59, 54cc-11.91, 58cc-11.30

2618

3-6600 K3-6600

1-FX

390

3.440"

5.875"

1.590"

.930

1/16-1/16-3/16"

-21cc AMC Dish Top

50cc-10.26, 54cc-9.82, 58cc-9.42

4032

1-6605 K1-6605

2-FX

390

3.440"

5.875"

1.590"

.930

1/16-1/16-3/16"

-21cc AMC Dish Top

50cc-10.26, 54cc-9.82, 58cc-9.42

2618

2-6605 K2-6605

3-FX

390

3.440"

5.875"

1.590"

.930

1/16-1/16-3/16"

-21cc AMC Dish Top

50cc-10.26, 54cc-9.82, 58cc-9.42

2618

3-6605 K3-6605

1-FX

390

3.574"

5.858"

1.550"

1.00

1/16-1/16-3/16"

-5cc AMC Flat Top

50cc-13.48, 54cc-12.75, 58cc-12.09

4032

1-6610 K1-6610

2-FX

390

3.574"

5.858"

1.550"

1.00

1/16-1/16-3/16"

-5cc AMC Flat Top

50cc-13.48, 54cc-12.75, 58cc-12.09

2618

2-6610 K2-6610

3-FX

390

3.574"

5.858"

1.550"

1.00

1/16-1/16-3/16"

-5cc AMC Flat Top

50cc-13.48, 54cc-12.75, 58cc-12.09

2618

3-6610 K3-6610

1-FX

390

3.574"

5.858"

1.550"

1.00

1/16-1/16-3/16"

-25cc AMC Dish Top

50cc-10.51, 54cc-10.08, 58cc-9.68

4032

1-6615 K1-6615

2-FX

390

3.574"

5.858"

1.550"

1.00

1/16-1/16-3/16"

-25cc AMC Dish Top

50cc-10.51, 54cc-10.08, 58cc-9.68

2618

2-6615 K2-6615

3-FX

390

3.574"

5.858"

1.550"

1.00

1/16-1/16-3/16"

-25cc AMC Dish Top

50cc-10.51, 54cc-10.08, 58cc-9.68

2618

3-6615 K3-6615

1-FX

401

3.680"

5.858"

1.500"

1.00

1/16-1/16-3/16"

-5cc AMC Flat Top

50cc-13.85, 54cc-13.10, 58cc-12.42

4032

1-6620 K1-6620

2-FX

401

3.680"

5.858"

1.500"

1.00

1/16-1/16-3/16"

-5cc AMC Flat Top

50cc-13.85, 54cc-13.10, 58cc-12.42

2618

2-6620 K2-6620

3-FX

401

3.680"

5.858"

1.500"

1.00

1/16-1/16-3/16"

-5cc AMC Flat Top

50cc-13.85, 54cc-13.10, 58cc-12.42

2618

3-6620 K3-6620

1-FX

401

3.680"

5.858"

1.500"

1.00

1/16-1/16-3/16"

-28cc AMC Dish Top

50cc-10.45, 54cc-10.04, 58cc-9.66

4032

1-6625 K1-6625

2-FX

401

3.680"

5.858"

1.500"

1.00

1/16-1/16-3/16"

-28cc AMC Dish Top

50cc-10.45, 54cc-10.04, 58cc-9.66

2618

2-6625 K2-6635

3-FX

401

3.680"

5.858"

1.500"

1.00

1/16-1/16-3/16"

-2cc AMC Dish Top

50cc-10.45, 54cc-10.04, 58cc-9.66

2618

3-6625 K3-6625

1-FX

390

3.574"

5.858"

1.590"

1.00

1/16-1/16-3/16"

-5cc AMC Flat Top

50cc-13.48, 54cc-12.75, 58cc-12.09

4032

1-6630 K1-6630

2-FX

390

3.574"

5.858"

1.590"

1.00

1/16-1/16-3/16"

-5cc AMC Flat Top

50cc-13.48, 54cc-12.75, 58cc-12.09

2618

2-6630 K2-6630

3-FX

390

3.574"

5.858"

1.590"

1.00

1/16-1/16-3/16"

-5cc AMC Flat Top

50cc-13.48, 54cc-12.75, 58cc-12.09

2618

3-6630 K3-6630

1-FX

390

3.574"

5.858"

1.590"

1.00

1/16-1/16-3/16"

-25cc AMC Dish Top

50cc-10.51, 54cc-10.08, 58cc-9.68

4032

1-6635 K1-6635

2-FX

390

3.574"

5.858"

1.590"

1.00

1/16-1/16-3/16"

-25cc AMC Dish Top

50cc-10.51, 54cc-10.08, 58cc-9.68

2618

2-6635 K2-6635

3-FX

390

3.574"

5.858"

1.590"

1.00

1/16-1/16-3/16"

-25cc AMC Dish Top

50cc-10.51, 54cc-10.08, 58cc-9.68

2618

3-6635 K3-6635