1981 Wiseco - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Wiseco Powersports Piston Kits for 1979-1981 DS125, TS125, 1971-1977 TC125 - 449M05800

Wiseco Powersports Piston Kits for 1979-1981 DS125, TS125, 1971-1977 TC125 - 449M05800

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

Part Number: WIS-449M05800

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Piston Kits 4156M06650

Piston and Ring Kit, Forged Aluminum, 66.500mm Bore, Honda®, Kit

Part Number: WIS-4156M06650

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Piston Kits 4156M06700

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

Part Number: WIS-4156M06700

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Piston Kits 4163M08950

Piston and Ring Kit, Forged Aluminum, 98.500mm Bore, Honda®, Kit

Part Number: WIS-4163M08950

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Piston Kits 4171M07500

Piston and Ring Kit, Forged Aluminum, 75.000mm Bore, Honda®, Kit

Part Number: WIS-4171M07500

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits 4176M07500

Piston and Ring Kit, Forged Aluminum, 75.000mm Bore, Suzuki, Kit

Part Number: WIS-4176M07500

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Piston Kits for 1976-1982 YZ125 - 435M05600

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

Part Number: WIS-435M05600

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Piston Kits for 1980-1984 CR125R - 448M05750

Piston and Ring Kit, Forged Aluminum, 57.500mm Bore, Honda®, Kit

Part Number: WIS-448M05750

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Piston Kits for 1979-1981 DS125, TS125, 1971-1977 TC125 - 449M05700

Piston and Ring Kit, Forged Aluminum, 57.000mm Bore, Honda®, Kit

Part Number: WIS-449M05700

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Piston Kits for 2004-2013 CRF80F, 1979-1984 XR80, 1985-2003 XR80R - 4665M04900

Piston and Ring Kit, Forged Aluminum, 49.000mm Bore, Honda®, Kit

Part Number: WIS-4665M04900

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Piston Kits for 2004-2013 CRF80F, 1979-1984 XR80, 1985-2003 XR80R - 4665M04950

Piston and Ring Kit, Forged Aluminum, 49.500mm Bore, Honda®, Kit

Part Number: WIS-4665M04950

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Piston Kits for 1978-1981 XS1100, 1980-1981 XS1100L MID-SPECIAL, 1979-1981 XS1100S SPECIAL - 4069M07400

Piston and Ring Kit, Forged Aluminum, 74.000mm Bore, Yamaha, Kit

Part Number: WIS-4069M07400

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Piston Kits for 1981-1984 RM125 - 511M05600

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

Part Number: WIS-511M05600

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Piston Kits 4117M09100

Piston and Ring Kit, Forged Aluminum, 90.932mm Bore, Honda®, Kit

Part Number: WIS-4117M09100

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Piston Kits for 1981-1984 ATC250R, 1978-1980 CR250R - 431M07150

Piston and Ring Kit, Forged Aluminum, 71.500mm Bore, Honda®, Kit

Part Number: WIS-431M07150

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Piston Kits for 1976-1981 XT500, TT500, 1978-1981 SR500 - 4764M08800

Piston and Ring Kit, Forged Aluminum, 88.000mm Bore, Yamaha, Kit

Part Number: WIS-4764M08800

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Piston Kits for 1980-1984 KDX250, 1978-1986 KX250, 1984-1987 KXT250 TECATE - 439M07000

Piston and Ring Kit, Forged Aluminum, 70.000mm Bore, Kawasaki, Kit

Part Number: WIS-439M07000

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Piston Kits for 1981-1984 RM125 - 511M05400

Piston and Ring Kit, Forged Aluminum, 54.000mm Bore, Suzuki, Kit

Part Number: WIS-511M05400

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports 2-Stroke Forged Series Piston Kits 235M05350

Engine Piston, Yamaha DT100, MX100, LT100 All 2106CD

Part Number: WIS-235M05350

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits 2373M07200

Engine Piston, Ski-Doo 248/503/521cc ProLite 2835LK

Part Number: WIS-2373M07200

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports 2-Stroke Forged Series Piston Kits 235M05250

Engine Piston, Yamaha DT100, MX100, LT100 All 2067CD

Part Number: WIS-235M05250

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Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Wiseco Powersports Piston Kits for 1980-1984 KDX250, 1978-1986 KX250, 1984-1987 KXT250 TECATE - 439M07050

Piston and Ring Kit, Forged Aluminum, 70.500mm Bore, Kawasaki, Kit

Part Number: WIS-439M07050

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

Wiseco Powersports Piston Kits for 1981-1982 IT250, 1980-1982 YZ250 - 452M07200

Piston and Ring Kit, Forged Aluminum, 72.000mm Bore, Yamaha, Kit

Part Number: WIS-452M07200

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

Wiseco Powersports 2-Stroke Forged Series Piston Kits for 1977-1981 IT175, 1976 YZ175 - 374M06800

Engine Piston, Yamaha YZ175 '76-81, IT175 '76-81 2677CD

Part Number: WIS-374M06800

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

Wiseco Powersports 2-Stroke Forged Series Piston Kits for 1977-1981 PE250, RM250 - 405M06850

Engine Piston, Suzuki RM250B '77-81,PE250 '77-81 2697CD

Part Number: WIS-405M06850

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

1981 Wiseco Parts and Accessories