Order FormRPM - 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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| Engine Rebuild Kit and Parts Online Catalog. |
Call toll free to purchase at: 1-866-700-5877
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Shelf-Stock Forged Pistons. Sold complete with pistons, rings, wrist pins and circlips. (piston kits)
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Subaru
Subaru EJ20 2.0L 16V DOHC Impreza WRX
October 1998 and older
Wrist pin included: S805 $34.94 23mm -.905 x 2.500
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Kit Part # Your Cost |
Bore mm/Inch |
Size |
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Ht. |
cc's |
|
Thickness |
Clearance |
Height |
Ratio |
(Included) |
Wt |
Note |
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| K576M925 $814.00 | 92.50 / 3.642 | 0.020 |
2.952 75mm |
5.137 130.5mm |
1.312 33.32mm |
49cc |
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.054 1.37mm |
+.012 +.30mm |
7.913 201mm |
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9250TX $43.07 | 350 |
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| K576M93 $814.00 | 93.00 / 3.662 | 0.040 | 9300TX $43.07 | 356 | |||||||||||
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Kit Part # Your Cost |
Bore mm/Inch |
Size |
|
|
Ht. |
cc's |
|
Thickness |
Clearance |
Height |
Ratio |
(Included) |
Wt |
Note |
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| K579M925 $814.00 | 92.50 / 3.642 | 0.020 |
3.110 79mm |
5.181 131.6mm |
1.181 30mm |
49cc | -17.8cc |
.054 1.37mm |
+.004 +.10mm |
7.913 201mm |
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9250TX $43.07 | 350 |
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| K579M93 $814.00 | 93.00 / 3.662 | 0.040 | 9300TX $43.07 | 356 | |||||||||||
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Kit Part # Your Cost |
Bore mm/Inch |
Size |
|
|
Ht. |
cc's |
|
Thickness |
Clearance |
Height |
Ratio |
(Included) |
Wt |
Note |
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| K588M92AP $943.60 | 92.00/ 3.622 | Std. |
2.952 75mm |
5.137 130.5mm |
1.286 32.66mm |
48cc | -9cc |
.054 1.37mm |
.014 .35mm |
7.913 201mm |
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9200TX $43.07 | 375 |
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| K588M925AP $943.60 | 92.50/ 3.642 | 0.020 | 9250TX $43.07 | 383 | |||||||||||
| K588M93AP $943.60 | 93.00/ 3.662 | 0.040 | 9300TX $43.07 | 385 | |||||||||||
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Kit Part # Your Cost |
Bore mm/Inch |
Size |
|
|
Ht. |
cc's |
|
Thickness |
Clearance |
Height |
Ratio |
(Included) |
Wt |
Note |
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| K601M975 $831.47 | 97.50 / 3.838 | 0.020 |
2.952 75mm |
5.137 130.5mm |
1.312 33.32mm |
46.6cc | -20cc |
.051 1.3mm |
+.012 +.30mm |
7.913 201mm |
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9750VF $33.60 | 358 |
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| K601M98 $831.47 | 98.00 / 3.858 | 0.040 | 9800VF $33.60 | 366 | |||||||||||
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Kit Part # Your Cost |
Bore mm/Inch |
Size |
|
|
Ht. |
cc's |
|
Thickness |
Clearance |
Height |
Ratio |
(Included) |
Wt |
Note |
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| K602M975 $831.47 | 97.50 / 3.838 | 0.020 |
3.110 79mm |
5.181 131.6mm |
1.191 30.25mm |
46.6cc | -24cc |
.054 1.37mm |
+.014 +.35mm |
7.913 201mm |
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9750VF $33.60 | 358 |
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| K602M98 $831.47 | 98.00 / 3.858 | 0.040 | 9800VF $33.60 | 366 | |||||||||||
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Kit Part # Your Cost |
Bore mm/Inch |
Size |
|
|
Ht. |
cc's |
|
Thickness |
Clearance |
Height |
Ratio |
(Included) |
Wt |
Note |
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| K600M995 $831.47 | 99.50/ 3.917 | Std. |
3.110 79mm |
5.181 131.6mm |
1.161 29.5mm |
50cc | -18cc |
.054 1.37mm |
.016 .40mm |
7.913 201mm |
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9950VF $33.60 | 366 |
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| K600M9975 $831.47 | 99.75/ 3.927 | 0.010 | 9975VF $33.60 | 370 | |||||||||||
| K600M100 $831.47 | 100.0/ 3.937 | 0.020 | 10000VF $33.60 | 371 | |||||||||||
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Kit Part # Your Cost |
Bore mm/Inch |
Size |
|
|
Ht. |
cc's |
|
Thickness |
Clearance |
Height |
Ratio |
(Included) |
Wt |
Note |
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| K599M995 $831.47 | 99.50/ 3.917 | Std. |
3.110 79mm |
5.167 131.25mm |
1.191 30.25mm |
46.6cc | -23cc |
.054 1.37mm |
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7.913 201mm |
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9950VF $33.60 | 361 |
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| K599M9975 $831.47 | 99.75/ 3.927 | 0.010 | 9975VF $33.60 | 367 | |||||||||||
| K599M100 $831.47 | 100.0/ 3.937 | 0.020 | 10000VF $33.60 | 366 | |||||||||||
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Kit Part # Your Cost |
Bore mm/Inch |
Size |
|
|
Ht. |
cc's |
|
Thickness |
Clearance |
Height |
Ratio |
(Included) |
Wt |
Note |
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| K598M995AP $943.60 | 99.50/ 3.917 | Std. |
3.110 79mm |
5.137 130.5mm |
1.209 30.7mm |
51cc | -19cc |
.5mm |
.012 .30mm |
7.913 201mm |
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9950VF $33.60 | 379 |
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| K598M9975AP $943.60 | 99.75/ 3.927 | 0.010 | 9975VF $33.60 | 382 | |||||||||||
| K598M100AP $943.60 | 100.0/ 3.937 | 0.020 | 10000VF $33.60 | 385 | |||||||||||
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Optional K1 Rod for EJ18/20/22/25/257 Series: Part # 039DD21131
(5.137” / 130.5mm) Optional K1 Rod for EJ25 Non Turbo Series: Part # 039DD21132 (5.181” / 131.6mm) Part # 038ADD750 75mm Stroke Part # 038ADD790 79mm Stroke Part # 038ADD830 83mm Stroke (For Stroker Custom Pistons Only) All have: 8-Bolt Flanges * EJ20/25 Main & Rod Journals * 21 lbs. |
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Foot Notes (far right column) 1 - Most Wiseco Pistons have offset pins. (Pins must be offset, same as OEM, for quietest operation). 2 - Due to compression height that may protrude above the deck, it is recommended that a 1.00mm thick head gasket is used. 3 - Optional pin upgrade available. 4 - Utilizes extra deep valve pockets to expand the range of I-Vtec with big cams and milled heads 6 - These pistons have an oil ring groove that is lower than OE. Will not work with sleeves with access hole if the oil ring is not pinned in place. |
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1. Most Wiseco pistons have offset pins. Pins must be offset
same as o.e. for quitest operation-pin offset will be opposite
of direction of engine rotation * Some pistons are listed with a range of compression ratio's. The low number is determined w/ an un-cut deck and the higher number is determined w/ .030 piston to cylinder head clearance. * Always check piston to valve clearance - If using VTEC or like mechanisms-check w/ longer duration higher lift lobe. * Always run at least .030 piston to head clearance including gasket thickness. |