Availability
Powersports Piston and Ring Kits
Piston and Ring Kit, Hypereutectic, 3.503 in. Bore, Harley-Davidson®, 8.90:1 Compression Ratio, Kit
Part Number: UEM-KB295-005
Not Yet Reviewed
Estimated Ship Date: Jun 2, 2026 if ordered today
Estimated Ship Date: Jun 2, 2026 if ordered today
TOP END KIT 92.97/+0.01 11:1 POL
Part Number: NTI-NA-50098-BK
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Repair Kit, Top End, 65.920mm Bore, 6.60 to 1 Compression Ratio, Yamaha, Kit
Part Number: NTI-NA-40003K
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
TOP END KIT 92.98/+0.02 11:1 POL
Part Number: NTI-NA-50098-CK
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
TOP END REPAIR KIT
Part Number: NTI-NX-40026-CKA
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
TOP END REPAIR KIT
Part Number: NTI-NX-30024-BK2
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Repair Kit, Top End, 39.460mm Bore, 8.50 to 1 Compression Ratio, KTM, Kit
Part Number: NTI-NX-70001K
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
PISTON KIT HC 66.44/+0.50 YAM
Part Number: NTI-NA-40002-2
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.915 in. Bore, Indian, 9.80:1 Compression Ratio, Kit
Part Number: UEM-KB412-040
Not Yet Reviewed
Estimated Ship Date: Jun 2, 2026 if ordered today
Estimated Ship Date: Jun 2, 2026 if ordered today
Repair Kit, Top End, 78.71mm Bore, 8.90 to 1 Compression Ratio, for use on Honda®, Kit
Part Number: NTI-NA-10007-1K
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-50006K
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
PISTON KIT HYPERDRYVE 94.95/+0.01 11:1 KTM
Part Number: NTI-NX-70041-B
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
TOP END REPAIR KIT
Part Number: NTI-NX-30080K
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
TOP END REPAIR KIT
Part Number: NTI-NX-40008-4K
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
PISTON KIT NIKASIL CYL 48.46/+0.01 11:1 KAW
Part Number: NTI-NX-20085-B
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Repair Kit, Top End, 53.950mm Bore, 8.90 to 1 Compression Ratio, Yamaha, Kit
Part Number: NTI-NX-40000-BK
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
PISTON KIT CERAMIC COMP CYL 67.96/+0.02 10.6:1 YAM
Part Number: NTI-NX-40026-C
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
TOP END KIT 66.47/+0.50 11:1 SUZ
Part Number: NTI-NA-30006-2K
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
PISTON KIT 52.46/+0.50 POL
Part Number: NTI-NA-50006-2
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
ProX Piston Kit PW50 '81-22 (40.00mm)
Part Number: PXR-01-2005-000
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Cylinder Head NAMURA TOP END REPAIR KIT NAMURA TOP END REPAIR KIT
Part Number: NTI-NX-20013-BK
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
ProX Piston Kit TRX250R '87-89 2-Stroke (68.00mm)
Part Number: PXR-01-1300-200
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
ProX Piston Kit Husqvarna CR/WR125 '97-13 (53.94mm)
Part Number: PXR-01-6216-A
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
ProX Piston Kit XL125 / CB125S -324- (57.00mm)
Part Number: PXR-01-1175-050
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
ProX Piston Kit TRX250R '87-89 2-Stroke (67.50mm)
Part Number: PXR-01-1300-150
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
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