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1973 Powersports Piston and Ring Kits

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Wiseco Powersports 2-Stroke Forged Series Piston Kits for 1973-1975 RD350, 1976-1979 RD400 - 393M06550

Made in the USA Wiseco Powersports 2-Stroke Forged Series Piston Kits for 1973-1975 RD350, 1976-1979 RD400 - 393M06550

Wiseco Powersports 2-Stroke Forged Series Piston Kits for 1973-1975 RD350, 1976-1979 RD400 - 393M06550

Engine Piston, Yamaha RD350 '73-75, RD400 '76-92 2579CD

Part Number: WIS-393M06550

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Wiseco Powersports Piston Kits for 1973-1975 RD350, 1976-1979 RD400 - 393M06450

Made in the USA Wiseco Powersports Piston Kits for 1973-1975 RD350, 1976-1979 RD400 - 393M06450

Wiseco Powersports Piston Kits for 1973-1975 RD350, 1976-1979 RD400 - 393M06450

Piston and Ring Kit, Forged Aluminum, 64.500mm Bore, Yamaha, Kit

Part Number: WIS-393M06450

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Wiseco Powersports Piston Kits for 1973-1975 RD350, 1976-1979 RD400 - 393M06600

Made in the USA Wiseco Powersports Piston Kits for 1973-1975 RD350, 1976-1979 RD400 - 393M06600

Wiseco Powersports Piston Kits for 1973-1975 RD350, 1976-1979 RD400 - 393M06600

Piston and Ring Kit, Forged Aluminum, 66.000mm Bore, Yamaha, Kit

Part Number: WIS-393M06600

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Wiseco Powersports Piston Kits for 1973-1975 RD350, 1976-1979 RD400 - 393M06400

Made in the USA Wiseco Powersports Piston Kits for 1973-1975 RD350, 1976-1979 RD400 - 393M06400

Wiseco Powersports Piston Kits for 1973-1975 RD350, 1976-1979 RD400 - 393M06400

Piston and Ring Kit, Forged Aluminum, 64.000mm Bore, Yamaha, Kit

Part Number: WIS-393M06400

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

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