Wiseco Parts and Accessories

Piston Rings, Second Ring, Cast Iron, Napier®, 4.158 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4158FSX

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Special Order

Piston Ring, Top Ring, Gas Nitrided, 4.158 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4158FTX

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Special Order

Piston Ring, Top Ring, Gas Nitrided, 4.188 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4188FTX

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Special Order

Piston Rings, Second Ring, Cast Iron, Napier®, 4.072 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4072FSX

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Special Order

Piston Rings, Second Ring, Cast Iron, Napier®, 4.188 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4188FSX

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Special Order

Piston Ring, Top Ring, Gas Nitrided, 4.000 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4000FTX

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Special Order

Piston Rings, Second Ring, Cast Iron, Napier®, 4.007 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4007FSX

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Special Order

Piston Rings, Second Ring, Cast Iron, Napier®, 4.037 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4037FSX

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Special Order

Piston Rings, Second Ring, Cast Iron, Napier®, 4.052 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4052FSX

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Special Order

Piston Rings, Second Ring, Cast Iron, Napier®, 4.062 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4062FSX

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Special Order

Piston Ring, Top Ring, Gas Nitrided, 4.102 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4102FTX

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Special Order

Piston Rings, Second Ring, Cast Iron, Napier®, 4.127 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4127FSX

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Special Order

Piston Rings, Top Ring, Gas Nitrided, 4.137 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4137FTX

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Special Order

Piston Rings, Second Ring, Cast Iron, 4.147 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4147FS

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

• Special Order

Gasket, Clutch Cover Gasket RM-Z250 '07-19

Part Number: WIS-W7017

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

• Special Order

Gasket, Clutch Cover Gasket RM-Z450 '08-19

Part Number: WIS-W7020

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

• Special Order

Gasket, Clutch Cover gasket KX80/85/100 '98

Part Number: WIS-W7021

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

• Special Order

Gasket, Clutch Cover Gskt KTM250/300 '17-19

Part Number: WIS-W7029

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

• Special Order

Gasket, Clutch Gasket 250SX'03-16/250EXC'04-16

Part Number: WIS-W7031

Not Yet Reviewed

Estimated Ship Date: Apr 15, 2026 if ordered today

• Special Order

Piston Ring, Top Ring, Gas Nitrided, 3.905 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-3905FTX

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Special Order

Piston Ring, Top Ring, Gas Nitrided, 4.203 in. Bore, 0.047 in. Thickness, Each

Part Number: WIS-4203FTX

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

• Special Order

Piston Wrist Pins, 5115 Steel, 0.990 in. Diameter, 2.500 in. Length, 148 grams, Each

Part Number: WIS-S760

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

• Special Order

Engine Gasket Set, Bottom End Gskt Kit Pol 550cc Fuji

Part Number: WIS-WB1150

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

• Special Order

Gaskets, Base Gasket, Copper, Suzuki, Each

Part Number: WIS-W6063

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026 if ordered today

• Special Order

Valve Shim, Powersports, 2.70mm Thick, 9.48mm Diameter, Universal, Set of 5

Part Number: WIS-VS9270

Not Yet Reviewed

Estimated Ship Date: Apr 22, 2026 if ordered today

• Special Order