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ProX Piston Kit KTM SX125 07-23 + Husqvarna TC125 14-23 + Gas Gas MC125 21-23 + Beta 125 RR 18-23 (53.94mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used...

ProX Piston Kit KTM 85SX 03-23 / Husqvarna TC85 14-23 (46.95mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine...

ProX Piston Kit KTM 65SX 09-23 + TC65 17-23 (44.98mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

ProX Piston Kit KTM50SX 09-23 + TC50 17-23 (39.48mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX...

ProX Piston Kit KTM50SX 01-08/KTM50 Advntr 02-08 (39.46mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

ProX Piston Kit Sea-Doo 1500RXP 04-11/1500RXT 05-09 (101.00mm ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine...

ProX Piston Kit Sea-Doo 78 ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits are a first...

ProX Piston Kit Jet Ski Ultra 150 99-05 81.00mm on box ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

ProX Piston Kit JS750ZXi + JS1100 (80.50mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston...

ProX Piston Kit JS750ZXi + JS1100 (80.00mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston...

ProX Piston Kit JS750ZXi + JS1100  Art ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston...

ProX Piston Kit KX450 19-23  12.5:1 (95.97mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX...

ProX High Compression Piston Kit KFX450R 08-14 13.4:1 (95.96mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine...

ProX Piston Kit KFX450R 08-14 12.4:1 (95.96mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX...

ProX Piston Kit KX250 20   14.2:1 (77.96mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

ProX Piston Kit KX250F 17-19   13.7:1 (76.98mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

ProX Piston Kit KX250F 15-16   13.8:1 (76.97mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

ProX Piston Kit KX250F 15-16   13.8:1 (76.96mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers...

ProX Piston Kit KX250F 10 13.2:1 (76.96mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston...

ProX Piston Kit KX250 05-08 (66.37mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits...

ProX Piston Kit KX250 92-04 (66.37mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits...

ProX Piston Kit KX85 01-13 (48.47mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits are...

ProX Piston Kit KX85 01-13 (48.45mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits are...

ProX Piston Kit KX65 00-23 + RM65 03-05 (44.48mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX...

ProX Piston Kit DR-Z400 00-22/LT-Z400 03-18 12.2:1 (89.97mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine...

ProX Piston Kit RM-Z450 13-23 12.5:1 (95.96mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX...

ProX High Compression Piston Kit RM-Z450 05-07 13.0:1 (95.48mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine...

ProX High Compression Piston Kit LT-R450 06-11 13.0:1 (95.47mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine...

ProX High Compression Piston Kit LT-R450 06-11 13.0:1 (95.46mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine...

ProX Piston Kit RM-Z250 10-23  ART   13.4:1 (76.97mm) ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine...