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![Pro Tru Street Pistons for GM LS [Dome, 4.000 in. Bore, 1.335 in. Height, 4.000 CC Volume]](https://www.jegs.com/images/mini_750/900/926/926-pts523as.jpg)
Vehicle Info NeededPro Tru Street Pistons for GM LS [Dome, 4.000 in. Bore, 1.335 in. Height, 4.000 CC Volume]
Ships on Sep 15, 2026
Lowest Price Guarantee- Pro Tru Street Pistons
- Fits GM LS
- 4032 Forged Alloy
- ArmorGlide Skirt Coating
- Includes rings, pins, and clips
- Set of 8
Wiseco has the highest quality forged pistons for your domestic, sport compact and racing applications, made right here in the USA. Wiseco forge all of their own pistons in house, using their own forge tooling. This allows them to control all aspects of the manufacturing process from raw bar to skirt coating finished parts. In house dyno testing gives Wiseco the ability to develop state-of-the-art technology such as new shapes, coatings, and components, and lead the industry through rigorous R&D.
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Pro Tru Street pistons are designed to make excellent power with a long life and the best value. Dedicated forgings require minimal machining and gives you a strong, lightweight piston at minimal cost. Wiseco provides you with the latest piston skirt profiles for minimal rock, tight clearances, and long skirt life.
All machining is done on the newest CNC equipment, which means you get excellent machining at tight tolerances. Pro Tru Street pistons use a 4032 alloy and are made for a budget minded consumer. These pistons are the perfect choice for your Small Block Chevy or Ford Windsor powered street machines.
Features:
- Forged 4032 Aluminum
- Pin Oiling
- Precision Finished Piston Pin Bores
- Over-Sized, Symmetrical, Radiused Valve Pockets
- ArmorGlide Skirt Coating
- Piston Rings Included
