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RPM - RON'S PRECISION MACHINE, INC.
69 E. 580 N.
Santaquin, Utah 84655
1-801-754-5338 or Toll free 1-866-700-5877
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Lamborghini Forged Pistons & Rings

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

LAMBORGHINI - LANCIA. -- MINI -- OPEL

LAMBORGHINI GALLARDO V10 5.0L FSI 2003-2008










  • 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.

LAMBORGHINI GALLARDO V10 5.0L FSI 2003-2008 ASYMMETRICAL FSR FORGING Std Bore: 82.5mm
(For use with STD Alusil Bore) *** NOTE *** Oil squirter modification needed for Asymmetrical FSR.
Squirter can be bent or locating pin removed for clearance. Please make sure to check Rod to Oil Squirter clearance when relocating oil squirter.

Part #
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#
                         

308177 $2,816.94

82.5

STD

92.8

154

27.6

46

9.0

-11.2

268

T

F

XC8255-

Foot Note:
T Accepts Turbo and Nitrous


LAMBORGHINI GALLARDO V10 5.2L FSI 2009-2012










  • 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.
  • FSR pistons feature new Smooth Finished Crown process for excellent flame travel.
  • Tuff Skirt Coating Standard on all Gallardo V10 Pistons
  • 1.0 x 1.2 x 2.8mm ring widths
  • .787 x 2.250 straight wall 9310 steel wrist pin provided.
  • Pin fitting, rings and wire locks included

 LAMBORGHINI GALLARDO V10 5.2L FSI 2009-2012 ASYMMETRICAL FSR FORGING Std Bore: 84.5mm |
(For use with STD Alusil Bore) *** NOTE *** Oil squirter modification needed for Asymmetrical FSR.
Squirter can be bent or locating pin removed for clearance. Please make sure to check Rod to Oil Squirter clearance when relocating oil squirter.

Part #
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#
                         

308178 $2,816.94

84.5

STD

92.8

154

27.6

46

9.0

-14

284

T

F

XC8450-
                         

361281 $2,707.85

84.5

STD

92.8

154

27.6

46

10.5

-3.7
 -

T

F

XC8450-
                         

361280 $2,816.94

85.0

0.50

92.8

154

27.6

46

9.0

-14.6
 -

T

F

XC8500-
                   -      

361282 $2,816.94

85.0

0.50

92.8

154

27.6

46

10.5

-4.5
 -

T

F

XC8500-

Foot Note:
T Accepts Turbo and Nitrous

 


LANCIA. LANCIA. DELTA INTEGRALE EVO 16V







  • 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.
  • FSR pistons feature new Smooth Finished Crown process for excellent flame travel.
  • 1.0 x 1.2 x 2.8mm ring widths
  • .866 x 2.250 straight wall carbon steel wrist pin provided.
  • Pin fitting, rings and wire locks included

LANCIA. LANCIA. DELTA INTEGRALE EVO 16V - ASYMMETRICAL FSR FORGING Std Bore: 84.0mm

Part #
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#

312418 $916.37

84.0

STD

90

145

39.65

42.7

8.0:1

-25.3

338

M, T

F

JG1004-3307 $146.84

326411 $916.37

84.0

STD

90

145

39.65

42.7

9.0:1

-13.5

353

M, T

F

JG1004-3307 $146.84

312419 $916.37

84.2

0.20

90

145

39.65

42.7

8.0:1

-25.3

339

M, T

F

JG1004-3327 $146.84

326412 $916.37

84.2

0.20

90

145

39.65

42.7

9.0:1

-13.8

355

M, T

F

JG1004-3327 $146.84

312420 $916.37

84.4

0.40

90

145

39.65

42.7

8.0:1

-25.3

338

M, T

F

JG1004-3327 $146.84

326413 $916.37

84.4

0.40

90

145

39.65

42.7

9.0:1

-14.0

357

M, T

F

JG1004-3327 $146.84

312421 $916.37

84.6

0.60

90

145

39.65

42.7

8.0:1

-25.3

343

M, T

F

JG1004-3327 $146.84

326414 $916.37

84.6

0.60

90

145

39.65

42.7

9.0:1

-14.3

359

M, T

F

JG1004-3327 $146.84

312422 $916.37

84.8

0.80

90

145

39.65

42.7

8.0:1

-25.3

344

M, T

F

JG1004-3346 $146.84

326415 $916.37

84.8

0.80

90

145

39.65

42.7

9.0:1

-14.6

361

M, T

F

JG1004-3346 $146.84

351873 $916.37

85.0

1.00

90

145

39.65

42.7

8.0:1

-25.3

347

M, T

F

JG1004-3346 $146.84

351874 $916.37

85.0

1.00

90

145

39.65

42.7

9.0:1

-14.9

363

M, T

F

JG1004-3346 $146.84

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

MINI - 2002-2006 MINI COOPER S












  • 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.
  • 1.2 x 1.2 x 2.8 or 1.0 x 1.2 x 2.8mm ring widths.
  • .827 x 2.250 straight wall carbon steel wrist pin provided.
  • Pin fitting and wire locks included
  • Rings Now Included


MINI - 2002-2006 MINI COOPER S Std Bore: 77.0mm

Part #
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#

312423 $916.37

77.0

STD

85.8

131.5

26.5

33

8.3:1

-1

238

M, T

R

XC7700-

312424 $916.37

77.25

0.25

85.8

131.5

26.5

33

8.3:1

-1

241

M, T

R

JG0004-3051 $146.84

312425 $916.37

77.5

0.50

85.8

131.5

26.5

33

8.3:1

-1

243

M, T

R

JG0004-3051 $146.84

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


OPEL - OPEL ASTRA, CORSA, TIGRA, VECTRA 1.6lL GSI 16V X16EX
  • 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 1.0 x 2.0mm or 1.0 x 1.2 x 2.8mm ring widths.
  • .708 x 2.250 straight wall carbon steel wrist pin provided.
  • Pin fitting and wire locks included
  • Rings Now Included


OPEL - OPEL ASTRA, CORSA, TIGRA, VECTRA 1.6lL GSI 16V X16EX Std Bore: 79.0mm

Part #
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#
                         

312426 $916.37

79.0

STD

81.5

129.75

28.2

34.5

11.5:1

3.2

253

M, U

R

XG7900-
                         

312427 $916.37

79.5

0.50

81.5

129.75

28.2

34.5

11.5:1

2.9

258

M, U

R

XG7950-
                         

312428 $916.37

80.0

1.00

81.5

129.75

28.2

34.5

11.5:1

2.5

260

M, U

R

XC8000-


OPEL ASTRA, CALIBRA, KADETT, VECTRA GSI 2.0L 16V C20XE / C20LE / C20LET


 

 



C20XE / C20LE / C20LET - NEW ASYMMETRICAL FSR FORGING

Part #
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#
                         

298736 $916.37

86.0

STD

86

143.1

30.5

44.0

8.5:1

-16.2

306

T,M

F

JG1004-3386 $146.84
                         

298740 $916.37

86.0

STD

86

143.1

30.5

44.0

10.5:1

-2.2

306

V,M

F

JG1004-3386 $146.84
                         

361355 $916.37

86.25

0.25

86

143.1

30.5

44.0

8.5:1

-16.6

307

T

F

JG1004-3396 $146.84
                         

361356 $916.37

86.25

0.25

86

143.1

30.5

44.0

10.5:1

-2.5

307

V

F

JG1004-3396 $146.84
                         

298737 $916.37

86.5

0.50

86

143.1

30.5

44.0

8.5:1

-16.9

310

T

F

JG1004-3405 $146.84
                         

298741 $916.37

86.5

0.50

86

143.1

30.5

44.0

10.5:1

-2.7

310

V,M

F

JG1004-3405 $146.84
                         

298738 $916.37

87.0

1.00

86

143.1

30.5

44.0

8.5:1

-17.6

314

T

F

JG1004-3425 $146.84
                         

298739 $916.37

87.0

1.00

86

143.1

30.5

44.0

10.5:1

-3.3

314

V

F

JG1004-3425 $146.84

Foot Notes:
F FSR (Forged Side Relief)
G Stock Block Must Be Re-Sleeved
L Limited Availability
M Made To Order
N Must sleeve block
R Full Round Skirt
T Accepts Turbo and Nitrous
U Not Designed for use with Turbo or Nitrous
V Accepts Nitrous

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