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Wiseco Professional Series forged small-block piston for Chevrolet applications offers robust construction for race and heavy-duty builds. This 4.040 in bore small block piston with 1.2505 in compression height is forged from 2618 aluminum in the USA. It includes ArmorGlide skirt coating, precision ring grooves, anti-detonation groove, premium rings, fully machined crown and forced pin oiling for demanding applications.
Wiseco Chevy FULL ROUND +12.3 4040A Piston Shelf Stock
