J.E. PistonsHigh Performance

Porsche Forged Pistons for 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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Porsche Forged Pistons & Rings

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

PORSCHE 911
Designed for Porsche Air-cooled 911 engines compatible with a Nickel Ceramic bore, these pistons are machined from forged 2618 alloy for greater strength. The valve pockets are machined to accommodate high lift cams, and accept the stock stroke and Rod
Length. The ring grooves are precision CNC machined and all new applications include skirt coating and 3D undercrown milling. Piston clearances designed for aluminum cylinders, steel/iron cylinders may require additional clearance.

Includes:
Accumulator Grooves
Skirt Coating
3D Lightweight Undercrown Milling
Pin fitting and wire locks
9310 high carbon alloy or tool steel wrist pins
PORSCHE 911 2.0L - NEW 3D MILLED UNDERCROWN AND COATED SKIRT Std Bore: 80mm Ring package designed for: 1.0, 1.2, 2.8mm

Part #
Your Cost

Engine
Size

Bore
Size

Stroke

Rod
Length

Comp
Distance

Comp
Ratio

Dome
Volume

Gram
Weight

Over
size

Wrist Pin Part Number

Ring Set Part Number

353218 $1,975.95

2.0

80.00

66.000

130.000

33.900

9.5

34.1
.

STD

866-2500-15-93C $37.61

JG1006-3150 $220.84

353221 $1,975.95

2.0

80.00

66.000

130.000

33.900

10.5

38.2
.

STD

866-2500-15-93C $37.61

JG1006-3150 $220.84

353219 $1,975.95

2.0

81.00

66.000

130.000

33.900

9.5

33.2
.

1.00

866-2500-15-93C $37.61

JG1006-3189 $220.84

353220 $1,975.95

2.0

81.00

66.000

130.000

33.900

10.5

37.4
.

1.00

866-2500-15-93C $37.61

JG1006-3189 $220.84


PORSCHE 911 2.2L - NEW 3D MILLED UNDERCROWN AND COATED SKIRT Std Bore: 84mm Ring package designed for: 1.0, 1.2, 2.8mm

Part #
Your Cost

Engine
Size

Bore
Size

Stroke

Rod
Length

Comp
Distance

Comp
Ratio

Dome
Volume

Gram
Weight

Over
size

Wrist Pin Part Number

Ring Set Part Number

353222 $1,975.95

2.2

84.00

66.000

130.000

33.900

9.5

30.6
.

STD

866-2500-15-93C $37.61

JG1006-3307 $220.84

353223 $1,975.95

2.2

84.00

66.000

130.000

33.900

10.5

35.1
.

STD

866-2500-15-93C $37.61

JG1006-3307 $220.84

353224 $1,975.95

2.2

85.00

66.000

130.000

33.900

9.5

29.7
.

1.00

866-2500-15-93C $37.61

JG1006-3346 $220.84

353225 $1,975.95

2.2

85.00

66.000

130.000

33.900

10.5

34.3
.

1.00

866-2500-15-93C $37.61

JG1006-3346 $220.84

353226 $1,975.95

2.2

87.50

66.000

130.000

33.900

9.5

27.4
.

3.50

866-2500-15-93C $37.61

JG1006-3445 $220.82

353227 $1,975.95

2.2

87.50

66.000

130.000

33.900

10.5

32.3
.

3.50

866-2500-15-93C $37.61

JG1006-3445 $220.82

353227 $1,975.95

2.2

89.00

66.000

130.000

33.900

10.5

31.1
.

5.00

866-2500-15-93C $37.61

JG1006-3504 $220.84


PORSCHE 911 2.4L - NEW 3D MILLED UNDERCROWN AND COATED SKIRT Std Bore: 84mm Ring package designed for: 1.0, 1.2, 2.8mm

Part #
Your Cost

Engine
Size

Bore
Size

Stroke

Rod
Length

Comp
Distance

Comp
Ratio

Dome
Volume

Gram
Weight

Over
size

Wrist Pin Part Number

Ring Set Part Number

353229 $1,975.95

2.4

84.00

70.400

127.800

33.900

9.5

27.7
.

STD

866-2500-15-93C $37.61

JG1006-3307 $220.84

353230 $1,975.95

2.4

84.00

70.400

127.800

33.900

10.5

32.5
.

STD

866-2500-15-93C $37.61

JG1006-3307 $220.84

353231 $1,975.95

2.4

85.00

70.400

127.800

33.900

9.5

26.8
.

1.00

866-2500-15-93C $37.61

JG1006-3346 $220.84

353232 $1,975.95

2.4

85.00

70.400

127.800

33.900

10.5

31.7
.

1.00

866-2500-15-93C $37.61

JG1006-3346 $220.84

353233 $1,975.95

2.4

87.50

70.400

127.800

33.900

9.5

24.3
.

3.50

866-2500-15-93C $37.61

JG1006-3445 $220.82

353234 $1,975.95

2.4

87.50

70.400

127.800

33.900

10.5

29.5
.

3.50

866-2500-15-93C $37.61

JG1006-3445 $220.82


PORSCHE 911 2.7L - NEW 3D MILLED UNDERCROWN AND COATED SKIRT Std Bore: 90mm Ring package designed for: 1.0, 1.2, 2.8mm

Part #
Your Cost

Engine
Size

Bore
Size

Stroke

Rod
Length

Comp
Distance

Comp
Ratio

Dome
Volume

Gram
Weight

Over
size

Wrist Pin Part Number

Ring Set Part Number

353235 $1,975.95

2.7

90.00

70.400

127.800

33.900

9.5

21.8
.

STD

866-2500-15-93C $37.61

JG1006-3543 $220.84

353236 $1,975.95

2.7

90.00

70.400

127.800

33.900

10.5

27.3
.

STD

866-2500-15-93C $37.61

JG1006-3543 $220.84

353237 $1,975.95

2.7

92.00

70.400

127.800

33.900

9.5

19.7
.

2.00

866-2500-15-93C $37.61

JG1006-3622 $220.84

353238 $1,975.95

2.7

92.00

70.400

127.800

33.900

10.5

25.5
.

2.00

866-2500-15-93C $37.61

JG1006-3622 $220.84

353239 $1,975.95

2.7

93.00

70.400

127.800

33.900

9.5

18.6
.

3.00

866-2500-15-93C $37.61

JG1006-3661 $220.84

353240 $1,975.95

2.7

93.00

70.400

127.800

33.900

10.5

24.5
.

3.00

866-2500-15-93C $37.61

JG1006-3661 $220.84


PORSCHE 911 3.0L TURBO - NEW 3D MILLED UNDERCROWN AND COATED SKIRT Std Bore: 95mm Ring package designed for: 1.0, 1.2, 2.8mm

Part #
Your Cost

Engine
Size

Bore
Size

Stroke

Rod
Length

Comp
Distance

Comp
Ratio

Dome
Volume

Gram
Weight

Over
size

Wrist Pin Part Number

Ring Set Part Number

353242 $1,975.95

3.0

95.00

70.400

127.800

33.900

6.5

6.5
.

STD

866-2500-15-93C $37.61

JG1006-3740 $220.84

353243 $1,975.95

3.0

95.00

70.400

127.800

33.900

7.0

14
.

STD

866-2500-15-93C $37.61

JG1006-3740 $220.84

353244 $1,975.95

3.0

98.00

70.400

127.800

33.900

7.0

9.1
.

3.00

866-2500-15-93C $37.61

JG1006-3858 $220.84

353245 $1,975.95

3.0

98.00

70.400

127.800

33.900

7.5

15.9
.

3.00

866-2500-15-93C $37.61

JG1006-3858 $220.84


PORSCHE 911 3.0L - NEW 3D MILLED UNDERCROWN AND COATED SKIRT Std Bore: 95mm
Ring package designed for: 1.0, 1.2, 2.8mm, or 1.2, 1.5, 3.0mm

Part #
Your Cost

Engine
Size

Bore
Size

Stroke

Rod
Length

Comp
Distance

Comp
Ratio

Dome
Volume

Gram
Weight

Over
size

Wrist Pin Part Number

Ring Set Part Number

353246 $1,975.95

3.0

95.00

70.400

127.800

33.900

9.5

38.5
.

STD

866-2500-15-93C $37.61

JG1006-3740 $220.84

353247 $1,975.95

3.0

95.00

70.400

127.800

33.900

10.5

44.7
.

STD

866-2500-15-93C $37.61

JG1006-3740 $220.84

353248 $1,975.95

3.0

95.00

70.400

127.800

33.900

11.5

49.7
.

STD

866-2500-15-93C $37.61

JG1006-3740 $220.84

353249 $1,975.95

3.0

98.00

70.400

127.800

33.900

9.5

35.2
.

3.00

866-2500-15-93C $37.61

JG1006-3858 $220.84

353250 $1,975.95

3.0

98.00

70.400

127.800

33.900

10.5

41.7
.

3.00

866-2500-15-93C $37.61

JG1006-3858 $220.84

353251 $1,975.95

3.0

98.00

70.400

127.800

33.900

11.5

47.1
.

3.00

866-2500-15-93C $37.61

JG1006-3858 $220.84

353252 $1,975.95

3.0

100.00

70.400

127.800

33.900

9.5

32.9
.

5.00

866-2500-15-93C $37.61

JG1006-3937 $220.84

353253 $1,975.95

3.0

100.00

70.400

127.800

33.900

10.5

39.8
.

5.00

866-2500-15-93C $37.61

JG1006-3937 $220.84

353254 $1,975.95

3.0

100.00

70.400

127.800

33.900

11.5

45.3
.

5.00

866-2500-15-93C $37.61

JG1006-3937 $220.84

353255 $1,975.95

3.0

102.00

70.400

127.800

33.900

10.5

37.7
.

7.00

866-2500-15-93C $37.61

JG3106-4020-2 $182.00

353256 $1,975.95

3.0

102.00

70.400

127.800

33.900

11.5

43.5
.

7.00

866-2500-15-93C $37.61

JG3106-4020-2 $182.00


PORSCHE 911 3.2L - NEW 3D MILLED UNDERCROWN AND COATED SKIRT Std Bore: 95mm
Ring package designed for: 1.0, 1.2, 2.8mm, or 1.2, 1.5, 3.0mm

Part #
Your Cost

Engine
Size

Bore
Size

Stroke

Rod
Length

Comp
Distance

Comp
Ratio

Dome
Volume

Gram
Weight

Over
size

Wrist Pin Part Number

Ring Set Part Number

353283 $1,975.95

3.2

95.00

74.400

127.000

32.800

9.5

35.1
.

STD

905-2500-15-52C $25.82

JG1006-3740 $220.84

353284 $1,975.95

3.2

95.00

74.400

127.000

32.800

10.5

41.7
.

STD

905-2500-15-52C $25.82

JG1006-3740 $220.84

353285 $1,975.95

3.2

95.00

74.400

127.000

32.800

11.5

47.0
.

STD

905-2500-15-52C $25.82

JG1006-3740 $220.84

353286 $1,975.95

3.2

98.00

74.400

127.000

32.800

9.5

31.6
.

3.00

905-2500-15-52C $25.82

JG1006-3858 $220.84

353287 $1,975.95

3.2

98.00

74.400

127.000

32.800

10.5

38.6
.

3.00

905-2500-15-52C $25.82

JG1006-3858 $220.84

353288 $1,975.95

3.2

98.00

74.400

127.000

32.800

11.5

44.2
.

3.00

905-2500-15-52C $25.82

JG1006-3858 $220.84

353289 $1,975.95

3.2

100.00

74.400

127.000

32.800

9.5

29.2
.

5.00

905-2500-15-52C $25.82

JG1006-3937 $220.84

353290 $1,975.95

3.2

100.00

74.400

127.000

32.800

10.5

36.5
.

5.00

905-2500-15-52C $25.82

JG1006-3937 $220.84

353291 $1,975.95

3.2

100.00

74.400

127.000

32.800

11.5

42.3
.

5.00

905-2500-15-52C $25.82

JG1006-3937 $220.84

353292 $1,975.95

3.2

102.00

74.400

127.000

32.800

10.5

34.3
.

7.00

905-2500-15-52C $25.82

JG3106-4020-2 $182.00

353293 $1,975.95

3.2

102.00

74.400

127.000

32.800

11.5

40.4
.

7.00

905-2500-15-52C $25.82

JG3106-4020-2 $182.00


PORSCHE 911 3.3L TURBO - NEW 3D MILLED UNDERCROWN AND COATED SKIRT Std Bore: 97mm Ring package designed for: 1.0, 1.2, 2.8mm

Part #
Your Cost

Engine
Size

Bore
Size

Stroke

Rod
Length

Comp
Distance

Comp
Ratio

Dome
Volume

Gram
Weight

Over
size

Wrist Pin Part Number

Ring Set Part Number

353296 $1,975.95

3.3

97.00

74.400

127.000

32.800

7.0

5.8
-

STD

905-2500-15-52C $25.82

JG1006-3819 $220.84

353297 $1,975.95

3.3

97.00

74.400

127.000

32.800

7.5

12.9
-

STD

905-2500-15-52C $25.82

JG1006-3819 $220.84

353298 $1,975.95

3.3

97.00

74.400

127.000

32.800

8.0

18.9
-

STD

905-2500-15-52C $25.82

JG1006-3819 $220.84

353299 $1,975.95

3.3

97.00

74.400

127.000

32.800

8.5

24.2
-

STD

905-2500-15-52C $25.82

JG1006-3819 $220.84

353301 $1,975.95

3.3

98.00

74.400

127.000

32.800

7.5

11.3
-

1.00

905-2500-15-52C $25.82

JG1006-3858 $220.84

353302 $1,975.95

3.3

98.00

74.400

127.000

32.800

8.0

17.5
-

1.00

905-2500-15-52C $25.82

JG1006-3858 $220.84

353303 $1,975.95

3.3

98.00

74.400

127.000

32.800

8.5

22.8
-

1.00

905-2500-15-52C $25.82

JG1006-3858 $220.84

353304 $1,975.95

3.3

100.00

74.400

127.000

32.800

7.5

8.1
-

3.00

905-2500-15-52C $25.82

JG1006-3937 $220.84

353305 $1,975.95

3.3

100.00

74.400

127.000

32.800

8.0

14.5
-

3.00

905-2500-15-52C $25.82

JG1006-3937 $220.84


PORSCHE 911 3.6L - NEW 3D MILLED UNDERCROWN AND COATED SKIRT Std Bore: 100mm
Ring package designed for: 1.0, 1.2, 2.8mm, or 1.2, 1.5, 3.0mm, or .043, .043, 3.0mm

Part #
Your Cost

Engine
Size

Bore
Size

Stroke

Rod
Length

Comp
Distance

Comp
Ratio

Dome
Volume

Gram
Weight

Over
size

Wrist Pin Part Number

Ring Set Part Number

353306 $1,975.95

3.6

100.00

76.400

127.000

31.800

11.5

40.8
-

STD

905-2500-15-52C $25.82

JG1006-3937 $220.84

353307 $1,975.95

3.6

100.00

76.400

127.000

31.800

12.5

45.8
-

STD

905-2500-15-52C $25.82

JG1006-3937 $220.84

353308 $1,975.95

3.6

102.00

76.400

127.000

31.800

11.5

38.8
-

2.00

905-2500-15-52C $25.82

JG3106-4020-2 $182.00

353309 $1,975.95

3.6

102.00

76.400

127.000

31.800

12.5

44.0
-

2.00

905-2500-15-52C $25.82

JG3106-4020-2 $182.00

353310 $1,975.95

3.6

103.12

76.400

127.000

31.800

11.5

37.7
-

3.15

905-2500-15-52C $25.82

JG31F6-4060-0 $182.00

353313 $1,975.95

3.6

103.12

76.400

127.000

31.800

12.5

41.2
-

5.03

905-2500-15-52C $25.82

JG7706-4135-5 $182.00

353311 $1,975.95

3.6

103.12

76.400

127.000

31.800

12.5

43.0
-

3.15

905-2500-15-52C $25.82

JG31F6-4060-0 $182.00

353312 $1,975.95

3.6

105.03

76.400

127.000

31.800

11.5

35.7
-

5.03

905-2500-15-52C $25.82

JG7706-4135-5 $182.00
 

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