Availability
Powersports Piston and Ring Kits
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 20, 2026 if ordered today
Estimated Ship Date: May 20, 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 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
Repair Kit, Top End, 53.950mm Bore, 10.80 to 1 Compression Ratio, Yamaha, Kit
Part Number: NTI-NX-40001-BK
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 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 20, 2026 if ordered today
Estimated Ship Date: May 20, 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 20, 2026 if ordered today
Estimated Ship Date: May 20, 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 20, 2026 if ordered today
Estimated Ship Date: May 20, 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 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
PISTON KIT 52.46/+0.50 POL
Part Number: NTI-NA-50006-2
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
PISTON KIT 68.97/STD KAW
Part Number: NTI-NA-20003
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 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 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
ProX Piston Kit TS50ER/X + FZ/JR/LT50 -46103- (41.50mm)
Part Number: PXR-01-3001-050
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
ProX Piston Kit TS50ER/X + FZ/JR/LT50 -46103- (41.00mm)
Part Number: PXR-01-3001-000
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
ProX Piston Kit KX80 '88-00 (79cc) (46.98mm)
Part Number: PXR-01-4118-D
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
ProX Piston Kit CR250 '86-96 + RM250 '96-97 "Art" (66.38mm)
Part Number: PXR-01-1315-A4
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 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 20, 2026 if ordered today
Estimated Ship Date: May 20, 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 20, 2026 if ordered today
Estimated Ship Date: May 20, 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 20, 2026 if ordered today
Estimated Ship Date: May 20, 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 20, 2026 if ordered today
Estimated Ship Date: May 20, 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 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
TOP END REPAIR KIT
Part Number: NTI-NX-30080K
Not Yet Reviewed
Estimated Ship Date: May 20, 2026 if ordered today
Estimated Ship Date: May 20, 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 20, 2026 if ordered today
Estimated Ship Date: May 20, 2026 if ordered today
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 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.508 in. Bore, Harley-Davidson®, 8.90:1 Compression Ratio, Kit
Part Number: UEM-KB295-010
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
Piston and Ring Kit, Hypereutectic, 3.538 in. Bore, Harley-Davidson®, 8.90:1 Compression Ratio, Kit
Part Number: UEM-KB295-040
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 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 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
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