Powersports Piston and Ring Kits - 54.50mm Stroke - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Namura Technologies Top-End Repair Kits for 2005-2021 YZ125, 2020-2022 YZ125X - NX-40009K

Repair Kit, Top End, 53.950mm Bore, 10.70 to 1 Compression Ratio, Yamaha, Kit

Part Number: NTI-NX-40009K

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2001-2002 KX125 - NX-20001K

Repair Kit, Top End, 54.500mm Bore, 9.00 to 1 Compression Ratio, Kawasaki, Kit

Part Number: NTI-NX-20001K

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 1992-1997 CR125R - PK1169

Wiseco Powersports Pro-Lite Piston Kits for 1992-1997 CR125R - PK1169

Piston and Ring Kit, Forged Aluminum, 67.000mm Bore, Honda®, Kit

Part Number: WIS-PK1169

Not Yet Reviewed

Estimated Ship Date: Mar 17, 2026 if ordered today

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Estimated Ship Date: Mar 17, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1989-2003 RM125 - NX-30000-BK

Repair Kit, Top End, 53.95mm Bore, 8.30 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30000-BK

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1989-2000 RM125 - NX-30000-CK

Repair Kit, Top End, 53.96mm Bore, 8.30 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30000-CK

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 2004-2007 RM125 - NX-30002K

Repair Kit, Top End, 53.95mm Bore, 8.30 to 1 Compression Ratio, Suzuki, Kit

Part Number: NTI-NX-30002K

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1992-1999 CR125R - NX-10000-BK

Repair Kit, Top End, 53.950mm Bore, 8.80 to 1 Compression Ratio, for use on Honda®, Kit

Part Number: NTI-NX-10000-BK

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Namura Technologies Top-End Repair Kits for 1998-2000 YZ125 - NX-40000-BK

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: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 2002 YZ125 - PK1192

Piston and Ring Kit, Forged Aluminum, 54.500mm Bore, Yamaha, Kit

Part Number: WIS-PK1192

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 2003-2004 YZ125 - PK1345

Piston and Ring Kit, Forged Aluminum, 54.500mm Bore, Yamaha, Kit

Part Number: WIS-PK1345

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wiseco Racers Choice GP-Series Piston Kits for 2004-2007 RM125 - PK1412

Piston and Ring Kit, Forged Aluminum, 58.000mm Bore, Suzuki, Kit

Part Number: WIS-PK1412

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 1998-2001 YZ125 - 726M05600

Piston and Ring Kit, Forged Aluminum, 56.000mm Bore, Yamaha, Kit

Part Number: WIS-726M05600

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 1992 KX125 - 616M05450

Engine Piston, Kawasaki KX125 '92 ProLite 2146CS

Part Number: WIS-616M05450

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 1994-1996 YZ125 - 647M05450

Piston and Ring Kit, Forged Aluminum, 54.500mm Bore, Yamaha, Kit

Part Number: WIS-647M05450

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 1988-1989 CR125R - 564M05400

Piston and Ring Kit, Forged Aluminum, 54.000mm Bore, Honda®, Kit

Part Number: WIS-564M05400

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 1988-1989 CR125R - 564M05450

Piston and Ring Kit, Forged Aluminum, 54.500mm Bore, Honda®, Kit

Part Number: WIS-564M05450

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 1990-1991 CR125R - 595M05400

Piston and Ring Kit, Forged Aluminum, 54.000mm Bore, Honda®, Kit

Part Number: WIS-595M05400

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wiseco Racers Choice GP-Series Piston Kits for 2000-2002 CR125R - PK1580

Piston and Ring Kit, Forged Aluminum, 56.000mm Bore, Honda®, Kit

Part Number: WIS-PK1580

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 1998-1999 CR125R - PK1254

Piston and Ring Kit, Forged Aluminum, 54.500mm Bore, Honda®, Kit

Part Number: WIS-PK1254

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 1998-1999 CR125R - PK1255

Piston and Ring Kit, Forged Aluminum, 55.000mm Bore, Honda®, Kit

Part Number: WIS-PK1255

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wiseco Powersports 2-Stroke Racer Elite Series Pistons for 1995-2003 CR125R - RE908M05400

Engine Piston, Racers Elite Honda CR125R '95-03 2126CS

Part Number: WIS-RE908M05400

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 2000-2003 RM125 - PK1182

Piston and Ring Kit, Forged Aluminum, 55.000mm Bore, Suzuki, Kit

Part Number: WIS-PK1182

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wiseco Powersports 2-Stroke Racer Elite Series Pistons for 2001-2005 KX125 - RE927M05800

Engine Piston, Racers Elite Suz KX125 2001-2008 2284CS

Part Number: WIS-RE927M05800

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 2001-2010 125 SX - 786M05600

Piston and Ring Kit, Forged Aluminum, 56.000mm Bore, KTM, Kit

Part Number: WIS-786M05600

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 2000-2003 RM125 - 754M05450

Piston and Ring Kit, Forged Aluminum, 54.500mm Bore, Suzuki, Kit

Part Number: WIS-754M05450

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today