J.E. PistonsHigh Performance

Street Strip Race

RPM - RON'S PRECISION MACHINE, INC.
69 E. 580 N.
Santaquin, Utah 84655
1-801-754-5338 or Toll free 1-866-700-5877
Contact us anytime OR use your e-mail program and type in ron@rpmrons.com to send an e-mail with what you need

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Ford Import Forged Pistons & Rings

Call toll free to purchase at: 1-866-700-5877

FORD - SIERRA COSWORTH N5B YB

  • Dome/Dish requires no deburring or preparation
  • 2618 T6 high tensile forged aluminum
  • JE designs are specifically engineered for extreme applications up. to, and including, professional competition. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy.
  • Dome and dishes feature smooth flowing radii for excellent flame travel.
  • 1.0 x 1.2 x 2.8mm ring widths.
  • .945 x 2.200 straight wall carbon steel wrist pin provided.
  • Pin fitting and wire locks included
  • Rings Now Included
FORD - SIERRA COSWORTH N5B YB Std Bore: 90.8mm

Part #
Your Cost
Your Cost

Bore

Over
size

Stroke
(mm)

Rod (mm)

C/D (mm)

Head
CC's

C/R
With
.040

Dome
CC's

Gram

Foot
note

Skirt

Included Ring Set#

322459 $916.37

90.82

STD

76.9

128.5

40.75

45

8.0:1

-20

378

M, T

F

JG1004-3583 $146.84

322460 $916.37

91.0

0.18

76.9

128.5

40.75

45

8.0:1

-20

378

M, T

F

JG1004-3583 $146.84

322461 $916.37

91.5

0.68

76.9

128.5

40.75

45

8.0:1

-20

384

M, T

F

JG1004-3602 $146.84

322462 $916.37

92.0

1.18

76.9

128.5

40.75

45

8.0:1

-20

387

M, T

F

JG1004-3622 $146.84

322463 $916.37

92.5

1.68

76.9

128.5

40.75

45

8.0:1

-20

390

M, T

F

JG1004-3642 $146.84

322464 $916.37

93.0

2.18

76.9

128.5

40.75

45

8.0:1

-20

393

M, T

F

JG1004-3661 $146.84

322465 $916.37

93.5

2.67

76.9

128.5

40.75

45

8.0:1

-20

396

M, T

F

JG1004-3681 $146.84

322466 $916.37

94.0

3.18

76.9

128.5

40.75

45

8.0:1

-20

400

M, T

F

JG1004-3701 $146.84

Foot Notes:
M Made To Order
T Accepts Turbo and Nitrous

FORD 2010-2018 GEN 1 ECOBOOST V6 3.5L












  • Dome/Dish requires no deburring or preparation
  • 2618 T6 high tensile forged aluminum
  • JE designs are specifically engineered for extreme applications up. to, and including, professional competition. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy.
  • Dome and dishes feature smooth flowing radii for excellent flame travel.
  • 1.0 x 1.2 x 2.8mm ring widths.
  • .905 x 2.250 straight wall carbon steel wrist pin provided.
  • Pin fitting and wire locks included
  • Rings Now Included


FORD 2010-2018 GEN 1 ECOBOOST V6 3.5L Std Bore: 92.5mm Designed for GEN 1 Engines Only

Part #
Your Cost
Your Cost

Bore

Over
size

Stroke
(mm)

Rod (mm)

C/D (mm)

Head
CC's

C/R
With
.040

Dome
CC's

Gram

Foot
note

Skirt

Included Ring Set#

315146 $1,374.00

92.5

STD

86.7

152.75

1.24

56

9.0:1

-8.6

385

M, T

F

JG1006-3642 $220.84

315149 $1,374.00

92.5

STD

86.7

152.75

1.24

56

10.0:1

-.5

Call

M, T

F

JG1006-3642 $220.84

315147 $1,374.00

92.75

0.25

86.7

152.75

1.24

56

9.0:1

-8.9

387

M, T

F

JG1006-3652 $220.84

315150 $1,374.00

92.75

0.25

86.7

152.75

1.24

56

10.0:1

-.8

Call

M, T

F

JG1006-3652 $220.84

315148 $1,374.00

93.0

0.50

86.7

152.75

1.24

56

9.0:1

-9.3

390

M, T

F

JG1006-3661 $220.84

315151 $1,374.00

93.0

0.50

86.7

152.75

1.24

56

10.0:1

-1.1

Call

M, T

F

JG1006-3661 $220.84

Foot Notes:
M Made To Order
T Accepts Turbo and Nitrous

FORD 2017+ GEN 2 ECOBOOST V6 3.5L











  • Dome/Dish requires no deburring or preparation
  • 2618 T6 high tensile forged aluminum
  • JE designs are specifically engineered for extreme applications up. to, and including, professional competition. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy.
  • Dome and dishes feature smooth flowing radii for excellent flame travel.
  • 1.0 x 1.2 x 2.8mm ring widths.
  • .905 x 2.250 straight wall carbon steel wrist pin provided.
  • Pin fitting and wire locks included
  • Rings Now Included

FORD 2017+ GEN 2 ECOBOOST V6 3.5L Std Bore: 92.5mm Designed for GEN 2 Engines Only

Part #
Your Cost
Your Cost

Bore

Over
size

Stroke
(mm)

Rod (mm)

C/D (mm)

Head
CC's

C/R
With
.040

Dome
CC's

Gram

Foot
note

Skirt

Included Ring Set#

360928 $1,648.26

92.50

STD

86.7

152.75

31.5

43

10.0:1

-12.5
 -

T

F

JG1006-3642 $220.84

360932 $1,648.26

92.50

STD

86.7

152.75

31.5

43

10.5:1

-9.1
 -

T

F

JG1006-3642 $220.84

360929 $1,648.26

92.63

0.13

86.7

152.75

31.5

43

10.0:1

-12.7
 -

T

F

JG1006-3652 $220.84

360933 $1,648.26

92.63

0.13

86.7

152.75

31.5

43

10.5:1

-9.3
 -

T

F

JG1006-3652 $220.84

360930 $1,648.26

92.75

0.25

86.7

152.75

31.5

43

10.0:1

-12.9
 -

T

F

JG1006-3652 $220.84

360934 $1,648.26

92.75

0.25

86.7

152.75

31.5

43

10.5:1

-9.4
 -

T

F

JG1006-3652 $220.84

360931 $1,648.26

93.00

0.50

86.7

152.75

31.5

43

10.0:1

-13.1
 -

T

F

JG1006-3661 $220.84

360935 $1,648.26

93.00

0.50

86.7

152.75

31.5

43

10.5:1

-9.7
 -

T

F

JG1006-3661 $220.84

Foot Notes:
T Accepts Turbo and Nitrous

FORD 2000-UP ZX3 ZETEC









  • Crown requires no deburring or preparation
  • 2618 T6 high tensile forged aluminum
  • NEW ASYMMETRICAL FSR forging! State of the art asymmetrical skirt technology reduces friction and mass while providing a more rigid and durable platform (Skirt Style F).
  • In this environment, higher boost levels or heavy nitrous usage necessitate JE's wrought 2618 alloy.
  • FSR pistons include offset pins for quiet operation.

FORD 2000-UP ZX3 ZETEC

Part #
Your Cost
Your Cost

Bore

Over
size

Stroke
(mm)

Rod (mm)

C/D (mm)

Head
CC's

C/R
With
.040

Dome
CC's

Gram

Foot
note

Skirt

Included Ring Set#

298715 $916.37

85.00

.18

88

139.2

29.75

48

9.0

-8.0

304

T

F

JG1004-3346 $146.84

298717 $916.37

85.00

.18

88

139.2

29.75

48

11.0

5.0

323

V

F

JG1004-3346 $146.84

298716 $916.37

85.50

.68

88

139.2

29.75

48

9.0

-8.8

306

T

F

JG1004-3366 $146.84

298718 $916.37

85.50

.68

88

139.2

29.75

48

11.0

4.5

325

V

F

JG1004-3366 $146.84

Foot Note:
T Accepts Turbo and Nitrous
V Accepts Nitrous 

Ford 2015+ ECOBOOST 2.3L
  • Dome/Dish requires no deburring or preparation
  • 2618 T6 high tensile forged aluminum
  • JE designs are specifically engineered for extreme applications up. to, and including, professional competition. In this environment, the higher compression ratios, highest boost or heavy nitrous usage necessitate the higher tensile strength 2618 aluminum alloy.
  • Dome and dishes feature smooth flowing radii for excellent flame travel.
  • 1.0 x 1.2 x 2.8mm ring widths.
  • .886 x 2.250 straight wall carbon steel wrist pin provided.
  • Pin fitting and wire locks included
  • Rings Now Included


Ford 2015+ ECOBOOST 2.3L FSR Forging STD Bore: 87.5mm

Part #
Your Cost
Your Cost

Bore

Over
size

Stroke
(mm)

Rod (mm)

C/D (mm)

Head
CC's

C/R
With
.040

Dome
CC's

Gram

Foot
note

Skirt

Included Ring Set#

337924 $916.37

87.5

STD

94

149

33

53

9.5:1

-6.4
 -

T,M

F

JG1004-3445 $146.84

337925 $916.37

88.0

0.50

94

149

33

53

9.5:1

-7.6
 -

T,M

F

JG1004-3465 $146.84

337926 $916.37

88.5

1.00

94

149

33

53

9.5:1

-8.2
 -

T,M

F

JG1004-3484 $146.84

Foot Notes:
M Made To Order
T Accepts Turbo and Nitrous

FORD FOCUS ST 2.5L 20V









  • Crown requires no deburring or preparation
  • 2618 T6 high tensile forged aluminum
  • NEW ASYMMETRICAL FSR forging! State of the art asymmetrical skirt technology reduces friction and mass while providing a more rigid and durable platform (Skirt Style F).
  • In this environment, higher boost levels or heavy nitrous usage necessitate JE's wrought 2618 alloy.
  • FSR pistons include offset pins for quiet operation.
  • Dished pistons feature new Smooth Finished Crown process for excellent flame travel.
  • 1.0 x 1.2 x 2.8mm ring widths
  • .827 x 2.250 straight wall carbon steel wrist pin provided.
  • Pin fitting, rings and wire locks included


FORD FOCUS ST 2.5L 20V 5 CYLINDER Std Bore: 83.00mm 5 Cylinder

Part #
Your Cost
Your Cost

Bore

Over
size

Stroke
(mm)

Rod (mm)

C/D (mm)

Head
CC's

C/R
With
.040

Dome
CC's

Gram

Foot
note

Skirt

Included Ring Set#

312414 $1,145.18

83.0

STD

93.2

143

28.4

51

8.5:1

-7.2

282

M, T

F

JG1001-3268 $37.54

312415 $1,145.18

83.5

0.50

93.2

143

28.4

51

8.5:1

-7.2

285

M, T

F

JG1001-3287 $37.54

312416 $1,145.18

84.0

1.00

93.2

143

28.4

51

8.5:1

-7.2

289

M, T

F

JG1001-3307 $37.54

Foot Notes:
M Made To Order
T Accepts Turbo and Nitrous

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