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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.

Includes:
Accumulator Grooves
Skirt Coating
3D Lightweight Undercrown Milling
Pin fitting and wire locks
9310 high carbon alloy or tool steel wrist pins
Rings Included
PORSCHE 911 2.0L - NEW 3D MILLED UNDERCROWN AND COATED SKIRT
Std Bore: 80mm
866-2500-15-93C Upgraded Pin Included
Ring package designed for: 1.0, 1.2, 2.8mm

Tech and Installation Tips
Part # Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head CC's C/R With .040 Dome CC's Gram Footnote Skirt Included
Ring Set#
353218 80.00 STD 66 130 33.9 68.0 9.5:1 34.1 M, U R JG1006-3150
353221 80.00 STD 66 130 33.9 68.0 10.5:1 38.2 M, U R JG1006-3150
353219 81.00 1.00 66 130 33.9 68.0 9.5:1 33.2 M, U R JG1006-3189
353220 81.00 1.00 66 130 33.9 68.0 10.5:1 37.4 M, U R JG1006-3189


PORSCHE 911 2.2L - NEW 3D MILLED UNDERCROWN AND COATED SKIRT
Std Bore: 84mm
866-2500-15-93C Upgraded Pin Included
Ring package designed for: 1.0, 1.2, 2.mm
Part # Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head CC's C/R With .040 Dome CC's Gram Footnote Skirt Included
Ring Set#
353222 84.00 STD 66 130 33.9 68.0 9.5:1 30.6 M, U R JG1006-3307
353223 84.00 STD 66 130 33.9 68.0 10.5:1 35.1 M, U R JG1006-3307
353224 85.00 1.00 66 130 33.9 68.0 9.5:1 29.7 M, U R JG1006-3346
353225 85.00 1.00 66 130 33.9 68.0 10.5:1 34.3 M, U R JG1006-3346
353226 87.50 3.50 66 130 33.9 68.0 9.5:1 27.4 M, U R JG1006-3445
353227 87.50 3.50 66 130 33.9 68.0 10.5:1 32.3 M, U R JG1006-3445
353228 89.00 5.00 66 130 33.9 68.0 10.5:1 31.1 M, U R JG1006-3504


PORSCHE 911 2.4L - NEW 3D MILLED UNDERCROWN AND COATED SKIRT
Std Bore: 84mm
866-2500-15-93C Upgraded Pin Included
Ring package designed for: 1.0, 1.2, 2.8mm
Part # Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head CC's C/R With .040 Dome CC's Gram Footnote Skirt Included
Ring Set#
353229 84.00 STD 70.4 127.8 33.9 68.0 9.5:1 27.7 M, U R JG1006-3307
353230 84.00 STD 70.4 127.8 33.9 68.0 10.5:1 32.5 M, U R JG1006-3307
353231 85.00 1.00 70.4 127.8 33.9 68.0 9.5:1 26.8 M, U R JG1006-3346
353232 85.00 1.00 70.4 127.8 33.9 68.0 10.5:1 31.7 M, U R JG1006-3346
353233 87.50 3.00 70.4 127.8 33.9 68.0 9.5:1 24.3 M, U R JG1006-3445
353234 87.50 3.00 70.4 127.8 33.9 68.0 10.5:1 29.5 M, U R JG1006-3445


PORSCHE 911 2.7L - NEW 3D MILLED UNDERCROWN AND COATED SKIRT
Std Bore: 90mm
866-2500-15-93C Upgraded Pin Included
Ring package designed for: 1.0, 1.2, 2.8mm
Part # Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head CC's C/R With .040 Dome CC's Gram Footnote Skirt Included
Ring Set#
353235 90.00 STD 70.4 127.8 33.9 68.0 9.5:1 21.8 U R JG1006-3543
353236 90.00 STD 70.4 127.8 33.9 68.0 10.5:1 27.3 U R JG1006-3543
353237 92.00 2.00 70.4 127.8 33.9 68.0 9.5:1 19.7 U R JG1006-3622
353238 92.00 2.00 70.4 127.8 33.9 68.0 10.5:1 25.5 U R JG1006-3622
353239 93.00 3.00 70.4 127.8 33.9 68.0 9.5:1 18.6 M, U R JG1006-3661
353240 93.00 3.00 70.4 127.8 33.9 68.0 10.5:1 24.5 M, U R JG1006-3661


PORSCHE 911 3.0L TURBO - NEW 3D MILLED UNDERCROWN AND COATED SKIRT
Std Bore: 95mm
866-2500-15-93C Upgraded Pin Included
Ring package designed for: 1.0, 1.2, 2.8mm
Part # Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head CC's C/R With .040 Dome CC's Gram Footnote Skirt Included
Ring Set#
353242 95.00 STD 70.4 127.8 33.9 90.0 6.5:1 6.5 M, T R JG1006-3740
353243 95.00 STD 70.4 127.8 33.9 90.0 7.0:1 14 M, T R JG1006-3740
353244 98.00 3.00 70.4 127.8 33.9 90.0 7.0:1 9.1 M, T R JG1006-3858
353245 98.00 3.00 70.4 127.8 33.9 90.0 7.5:1 15.9 M, T R JG1006-3858


PORSCHE 911 3.0L - NEW 3D MILLED UNDERCROWN AND COATED SKIRT
Std Bore: 95mm
866-2500-15-93C Upgraded Pin Included
Ring package designed for: 1.0, 1.2, 2.8mm or 1.2, 1.5, 3.0mm
Part # Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head CC's C/R With .040 Dome CC's Gram Footnote Skirt Included
Ring Set#
353246 95.00 STD 70.4 127.8 33.9 90.0 9.5:1 38.5 U R JG1006-3740
353247 95.00 STD 70.4 127.8 33.9 90.0 10.5:1 44.7 U R JG1006-3740
353248 95.00 STD 70.4 127.8 33.9 90.0 11.5:1 49.7 U R JG1006-3740
353249 98.00 3.00 70.4 127.8 33.9 90.0 9.5:1 35.2 U R JG1006-3858
353250 98.00 3.00 70.4 127.8 33.9 90.0 10.5:1 41.7 U R JG1006-3858
353251 98.00 3.00 70.4 127.8 33.9 90.0 11.5:1 47.1 U R JG1006-3858
353252 100.00 5.00 70.4 127.8 33.9 90.0 9.5:1 32.9 M, U R JG1006-3937
353253 100.00 5.00 70.4 127.8 33.9 90.0 10.5:1 39.8 M, U R JG1006-3937
353254 100.00 5.00 70.4 127.8 33.9 90.0 11.5:1 45.3 M, U R JG1006-3937
353255 102.00 7.00 70.4 127.8 33.9 90.0 10.5:1 37.7 M, U R JG3106-4020-2
353256 102.00 7.00 70.4 127.8 33.9 90.0 11.5:1 43.5 M, U R JG3106-4020-2


PORSCHE 911 3.2L - NEW 3D MILLED UNDERCROWN AND COATED SKIRT
Std Bore: 95mm
905-2500-15-52C Upgraded Pin Included
Ring package designed for: 1.0, 1.2, 2.8mm or 1.2, 1.5, 3.0mm
Part # Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head CC's C/R With .040 Dome CC's Gram Footnote Skirt Included
Ring Set#
353283 95.00 STD 74.4 127 32.8 90.0 9.5:1 35.1 U R JG1006-3740
353284 95.00 STD 74.4 127 32.8 90.0 10.5:1 41.7 U R JG1006-3740
353285 95.00 STD 74.4 127 32.8 90.0 11.5:1 47.0 U R JG1006-3740
353286 98.00 3.00 74.4 127 32.8 90.0 9.5:1 31.6 U R JG1006-3858
353287 98.00 3.00 74.4 127 32.8 90.0 10.5:1 38.6 U R JG1006-3858
353288 98.00 3.00 74.4 127 32.8 90.0 11.5:1 44.2 U R JG1006-3858
353289 100.00 5.00 74.4 127 32.8 90.0 9.5:1 29.2 U R JG1006-3937
353290 100.00 5.00 74.4 127 32.8 90.0 10.5:1 36.5 U R JG1006-3937
353291 100.00 5.00 74.4 127 32.8 90.0 11.5:1 42.3 U R JG1006-3937
353292 102.00 7.00 74.4 127 32.8 90.0 10.5:1 34.3 M, U R JG3106-4020-2
353293 102.00 7.00 74.4 127 32.8 90.0 11.5:1 40.4 M, U R JG3106-4020-2


PORSCHE 911 3.3L TURBO - NEW 3D MILLED UNDERCROWN AND COATED SKIRT
Std Bore: 97mm
905-2500-15-52C Upgraded Pin Included
Ring package designed for: 1.0, 1.2, 2.8mm
Part # Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head CC's C/R With .040 Dome CC's Gram Footnote Skirt Included
Ring Set#
353296 97.00 STD 74.4 127 32.8 90.0 7.0:1 5.8 T R JG1006-3819
353297 97.00 STD 74.4 127 32.8 90.0 7.5:1 12.9 T R JG1006-3819
353298 97.00 STD 74.4 127 32.8 90.0 8.0:1 18.9 T R JG1006-3819
353299 97.00 STD 74.4 127 32.8 90.0 8.5:1 24.2 T R JG1006-3819
353301 98.00 1.00 74.4 127 32.8 90.0 7.5:1 11.3 T R JG1006-3858
353302 98.00 1.00 74.4 127 32.8 90.0 8.0:1 17.5 T R JG1006-3858
353303 98.00 1.00 74.4 127 32.8 90.0 8.5:1 22.8 T R JG1006-3858
353304 100.00 3.00 74.4 127 32.8 90.0 7.5:1 8.1 T R JG1006-3937
353305 100.00 3.00 74.4 127 32.8 90.0 8.0:1 14.5 T R JG1006-3937


PORSCHE 911 3.6L - NEW 3D MILLED UNDERCROWN AND COATED SKIRT
Std Bore: 100mm
905-2500-15-52C Upgraded Pin Included
Ring package designed for: 1.0, 1.2, 2.8mm or 1.2, 1.5, 3.0mm, or .043, .043, 3.0mm
Part # Bore Oversize Stroke
(mm)
Rod
(mm)
C/D
(mm)
Head CC's C/R With .040 Dome CC's Gram Footnote Skirt Included
Ring Set#
353306 100.00 STD 76.4 127 31.8 90.0 11.5:1 40.8 M, U R JG1006-3937
353307 100.00 STD 76.4 127 31.8 90.0 12.5:1 45.8 M, U R JG1006-3937
353308 102.00 2.00 76.4 127 31.8 90.0 11.5:1 38.8 M, U R JG3106-4020-2
353309 102.00 2.00 76.4 127 31.8 90.0 12.5:1 44.0 M, U R JG3106-4020-2
353310 103.12 3.15 76.4 127 31.8 90.0 11.5:1 37.7 M, U R JG31F6-4060-0
353311 103.12 3.15 76.4 127 31.8 90.0 12.5:1 43.0 M, U R JG31F6-4060-0
353312 105.03 5.03 76.4 127 31.8 90.0 11.5:1 35.7 M, U R JG7706-4135-5
353313 105.03 5.03 76.4 127 31.8 90.0 12.5:1 41.2 M, U R JG7706-4135-5

- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.


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