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1978 Wiseco Engines & Components

Showing In Stock Items. Show All 47 Items.

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Results 1 - 22 of 22

Wiseco Professional Series Pistons K120A3

Wiseco Professional Series Pistons K120A3

Pistons, Forged, Flat, 3.810 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, L4, Set of 4

Part Number: WIS-K120A3

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Wiseco Powersports Piston Kits K1615

Piston and Ring Kit, Powersports, Forged, Aluminum, Harley-Davidson®, Kit

Part Number: WIS-K1615

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Wiseco Powersports 4-Stroke Forged Series Piston Kits for 1975-1981 XS650, 1979 XS650-2 SPECIAL II, 1978-1983 XS650S SPECIAL - CK200

Engine Piston Set, Yamaha XS650 '74-81 2vp Domed

Part Number: WIS-CK200

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Wiseco Powersports Piston Kits K1626

Piston and Ring Kit, Powersports, Forged, Aluminum, Harley-Davidson®, Kit

Part Number: WIS-K1626

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Wiseco Powersports Piston Kits K1612

Piston and Ring Kit, Powersports, Forged, Aluminum, Harley-Davidson®, Kit

Part Number: WIS-K1612

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Wiseco Powersports Piston Kits K1601

Piston and Ring Kit, Forged Aluminum, 3.198 in. Bore, Harley-Davidson®, Kit

Part Number: WIS-K1601

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Wiseco Powersports 4-Stroke Forged Series Piston Kits for 1976-1981 XT500, TT500, 1978-1981 SR500 - 4767M08850

Engine Piston, Yamaha XT/TT/SR500 '76-81 12:1 CR 3484XC

Part Number: WIS-4767M08850

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Wiseco Powersports 2-Stroke Forged Series Piston Kits for 1973-1975 RD350, 1976-1979 RD400 - K131

Piston and Ring Kits, Powersports 2-Stroke Forged Series Piston Kits, Forged Aluminum, 65.000mm Bore, Steel Rings, Yamaha, Kit

Part Number: WIS-K131

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Wiseco Powersports Piston Kits K1611

Piston and Ring Kit, Powersports, Forged, Aluminum, Harley-Davidson®, Kit

Part Number: WIS-K1611

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Wiseco Powersports 2-Stroke Forged Series Piston Kits for 1973-1975 RD350, 1976-1979 RD400 - K132

Engine Piston Set, Yam RD350/400 (65.5M-2579CD-393M)

Part Number: WIS-K132

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Wiseco Powersports 4-Stroke Forged Series Piston Kits for 1975-1981 XS650, 1979 XS650-2 SPECIAL II, 1978-1983 XS650S SPECIAL - CK201

Engine Piston Set, Yamaha XS650 '74-81 2vp Domed

Part Number: WIS-CK201

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Wiseco Powersports Piston Kits K1614

Piston and Ring Kit, Powersports, Forged, Aluminum, Harley-Davidson®, Kit

Part Number: WIS-K1614

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Wiseco Powersports Pro-Lite Piston Kits for 1977-1992 JS440 - WK1004

Piston and Ring Kit, Forged Aluminum, 69.500mm Bore, Kawasaki, Kit

Part Number: WIS-WK1004

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Wiseco Powersports Piston Kits K1617

Piston and Ring Kit, Powersports, Forged, Aluminum, Harley-Davidson®, Kit

Part Number: WIS-K1617

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Wiseco Powersports Piston Kits for 1976-1981 XT500, TT500, 1978-1981 SR500 - 4045M08900

Piston and Ring Kit, Forged Aluminum, 89.000mm Bore, Yamaha, Kit

Part Number: WIS-4045M08900

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Wiseco Powersports Piston Kits K1603

Piston and Ring Kit, Powersports, Forged, Aluminum, Harley-Davidson®, Kit

Part Number: WIS-K1603

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Wiseco Powersports Piston Kits for 1973-1975 RD350, 1976-1979 RD400 - K133

Piston and Ring Kit, Powersports, Forged, Aluminum, Yamaha, Kit

Part Number: WIS-K133

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Wiseco Powersports Piston Kits K1602

Piston and Ring Kit, Powersports, Forged, Aluminum, Harley-Davidson®, Kit

Part Number: WIS-K1602

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Wiseco Powersports 4-Stroke Forged Series Piston Kits for 1976-1981 XT500, TT500, 1978-1981 SR500 - 4764M08900

Engine Piston, Yamaha XT/TT/SR500 9:1 CR 3504XC

Part Number: WIS-4764M08900

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Wiseco Professional Series Pistons K120A4

Pistons, Forged, Flat, 3.820 in. Bore, 1/16 in., 1/16 in., 3/16 in. Ring Grooves, Ford, L4, Set of 4

Part Number: WIS-K120A4

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

Wiseco Powersports Piston Kits K1627

Piston and Ring Kit, Powersports, Forged, Aluminum, Harley-Davidson®, Kit

Part Number: WIS-K1627

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Wiseco Powersports Piston Kits for 1973-1975 RD350, 1976-1979 RD400 - K130

Piston and Ring Kit, Powersports, Forged, Aluminum, Yamaha, Kit

Part Number: WIS-K130

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

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