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The name Wiseco is synonymous with pistons. The company has been manufacturing pistons since 1941 and is renowned for producing high-quality pistons for off-road racing...
The name Wiseco is synonymous with pistons. The company has been manufacturing pistons since 1941 and is renowned for producing high-quality pistons for off-road racing and riding. But that’s just part of the Wiseco story. The company also manufactures an entire lineup of products for high performance rotating assemblies. Wiseco crankshafts, connecting rods, pistons, and piston rings combine high strength with lightweight design, making them ideal for high-torque street machines and high-rpm race vehicles alike. Shop Wiseco at Summit Racing today!
The name Wiseco is synonymous with pistons. The company has been manufacturing pistons since 1941 and is renowned for producing high-quality pistons for off-road racing and riding. But that’s just part of the Wiseco story. The company also manufactures an entire lineup of products for high performance rotating assemblies. Wiseco crankshafts, connecting rods, pistons, and piston rings combine high strength with lightweight design, making them ideal for high-torque street machines and high-rpm race vehicles alike. Shop Wiseco at Summit Racing today!
Showing In Stock Items. Show All 8 Items.
Piston Rings, Plasma-moly, 3.940 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, Single Piston, Set
Part Number: WIS-3940VK
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
3.940" AUTO RING (1 SET FOR 1 PSTN)
Part Number: WIS-3940H
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Pistons, Professional Series, Forged Aluminum, Reverse Dome, 3.940 in. Bore, Stroked, Left Side, Chrysler, Dodge, Plymouth, Small Block, LA, Each
Part Number: WIS-60145LA3940
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
Pistons, Professional Series, Forged Aluminum, Reverse Dome, 3.940 in. Bore, Stroked, Right Side, Chrysler, Dodge, Plymouth, Small Block, LA, Each
Part Number: WIS-60145RA3940
Not Yet Reviewed
Estimated Ship Date: Feb 2, 2026 if ordered today
Estimated Ship Date: Feb 2, 2026 if ordered today
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