Availability
POLARIS Powersports Piston and Ring Kits
Engine Piston, Polaris 335 Sportsman 1999-2000 9.2:1 CR
Part Number: WIS-40221M07850
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT
Part Number: NTI-NA-50012-BK
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
PISTON KIT 38.98/STD POL/YAM
Part Number: NTI-NA-50015
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Engine Piston, Polaris 800 XCR Fuji '99-03 XPS 2835CD
Part Number: WIS-2404M07200
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Piston and Ring Kit, Forged Aluminum, 80.000mm Bore, Polaris, Kit
Part Number: WIS-639M08000
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Engine Piston, Polaris 440 IndyXCR'98-99 ProLite 2598CD
Part Number: WIS-2401M06600
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Piston and Ring Kit, Forged Aluminum, 104.830mm Bore, Polaris, Kit
Part Number: WIS-4914M10483
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT
Part Number: NTI-NA-50019-2K
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Namura Technologies Top-End Repair Kits for 2006-2007 OUTLAW 500, 2003-2007 PREDATOR 500 - NA-50005K
Namura Technologies Top-End Repair Kits for 2006-2007 OUTLAW 500, 2003-2007 PREDATOR 500 - NA-50005K
Repair Kit, Top End, 99.150mm Bore, 10.80 to 1 Compression Ratio, Polaris, Kit
Part Number: NTI-NA-50005K
Not Yet Reviewed
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Repair Kit, Top End, 72.46mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit
Part Number: NTI-NA-50000-2K
Estimated Ship Date: May 21, 2026 if ordered today
Estimated Ship Date: May 21, 2026 if ordered today
Repair Kit, Top End, 71.96mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit
Part Number: NTI-NA-50000K
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Cylinder Head TOP END REPAIR KIT TOP END REPAIR KIT
Part Number: NTI-NA-50006-2K
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
TOP END REPAIR KIT
Part Number: NTI-NA-50070-BK1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Repair Kit, Top End, 93.47mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit
Part Number: NTI-NA-50004-6K
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston and Ring Kits, Powersports Pro-Lite Piston Kits, Forged Aluminum, 73.000mm Bore, Chrome Facing Steel Rings, Polaris, Kit
Part Number: WIS-2355M07300
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Repair Kit, Top End, 79.960mm Bore, 10.20 to 1 Compression Ratio, Polaris, Kit
Part Number: NTI-NA-50080-BK
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Piston and Ring Kit, Forged Aluminum, 89.000mm Bore, KTM, Kit
Part Number: WIS-PK1447
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Repair Kit, Top End, 72.96mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit
Part Number: NTI-NA-50000-4K
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Piston and Ring Kit, Forged Aluminum, 75.500mm Bore, Polaris, Kit
Part Number: WIS-687M07550
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Repair Kit, Top End, 80.95mm Bore, 6.00 to 1 Compression Ratio, Polaris, Kit
Part Number: NTI-NA-50001-4K
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
ProX Piston Kit Polaris Sportsman 800 EFI '05-15 (79.96mm)
Part Number: PXR-01-5806-B
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
TOP END REPAIR KIT
Part Number: NTI-NA-50070K
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Engine Piston, Polaris 90 Outlaw/Sportsman'07-14 10.5:1
Part Number: WIS-40122M04750
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Repair Kit, Top End, 74.97mm Bore, 8.60 to 1 Compression Ratio, Polaris, Kit
Part Number: NTI-NA-50003-2K
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Piston and Ring Kit, Big Bore, Forged Aluminum, 98.000mm Bore, 10.50 to 1 Compression, Polaris, Kit
Part Number: VPX-24029A
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
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