Wiseco Pistons & Piston Rings

3.940" AUTO RING (1 SET FOR 1 PSTN)

Part Number: WIS-3940H

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Estimated Ship Date: Oct 27, 2025 if ordered today

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Piston and Ring Kit, Forged Aluminum, 85.500mm Bore, Yamaha, Kit

Part Number: WIS-394M08550

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Engine Piston, Yamaha YZ 400 '77-78,IT 400'77-78 3386TD

Part Number: WIS-394M08600

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Engine Piston, Yamaha YZ 400 '77-78,IT 400'77-78 3425TD

Part Number: WIS-394M08700

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Piston Rings, Gas Nitrided, 39.50mm Bore, for use on Honda®, Set

Part Number: WIS-3950XZ

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Piston and Ring Kit, Forged Aluminum, 76.800mm Bore, Honda®, Kit

Part Number: WIS-40004M07680

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Piston and Ring Kit, Forged Aluminum, 76.000mm Bore, KTM, Kit

Part Number: WIS-40006M07600

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

Part Number: WIS-40008M06700

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Piston and Ring Kit, Forged Aluminum, 69.000mm Bore, Honda®, Kit

Part Number: WIS-40008M06900

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Piston and Ring Kit, Forged Aluminum, 77.000mm Bore, Kawasaki, Kit

Part Number: WIS-40009M07700

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4.000" x 1/16x1/16x3/16" Set*

Part Number: WIS-4000R

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Piston Rings, XC Series, 3.307 in. Bore, 1.0mm, 1.2mm, 2.8mm Thickness, Single Piston, Set

Part Number: WIS-3307XC

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Engine Piston Ring Set, 3.312 Semi Keystone Ring Set

Part Number: WIS-3312KD

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Engine Piston Ring Set, 3.327 Semi Keystone Ring Set

Part Number: WIS-3327KD

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Piston Rings, Chrome, 84.50mm Bore, Polaris, Set

Part Number: WIS-3327TD

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Engine Piston Ring Set, 3.332 Semi Keystone Ring Set

Part Number: WIS-3332KD

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Engine Piston Ring Set, 3.342 Semi Keystone Ring Set

Part Number: WIS-3342KD

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Piston Rings, XR, Chrome, 85.000mm Bore, Suzuki, Set

Part Number: WIS-3346XR

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Engine Piston Ring, 3.347 Semi Keystone Ring

Part Number: WIS-3347KA

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85.0 MM RING PACKAGE

Part Number: WIS-3347KC

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Engine Piston Ring Set, 3.347 Semi Keystone Ring Set

Part Number: WIS-3347KD

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85.00 MM RING SET

Part Number: WIS-3347TC

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Piston Rings, Chrome, 85.00mm Bore, Polaris, Yamaha, Set

Part Number: WIS-3347TD

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Engine Piston Ring, 3.352 Semi Keystone Ring

Part Number: WIS-3352KA

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Engine Piston Ring Set, 3.352 Semi Keystone Ring Set

Part Number: WIS-3352KD

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