LSX454 Piston, 4.185″ Bore


  • LSX454 piston
  • 4.185″ bore
  • Forged dished piston with valve reliefs
  • Must be used with LSX rods
Due to world events we are working with our manufacturers every day to ship and receive parts. If the part you are looking for is time sensitive please give our team a call at 855-806-1147 before ordering to ensure it's availability.
SKU: 19166958 Categories: ,

Piston – LSX454

P/N 19166958

  • Forged dished piston with valve reliefs
  • Must be used with LSX rods
  • Lightweight, includes rings and wrist pins
  • 4.185″ bore, .866″ wrist pin size
  • 1.2mm compression ring lands and a 2.0mm oil control ring land

Note: Not compatible with production-style LS connecting rods. Must be used only with new LSX connecting rods with 0.866″ wrist pin bores.


Piston – LSX454

1916695 Chevrolet Piston

4.185″ Bore

Complete your all-LSX rotating assembly with LSX forged aluminum pistons from Chevrolet Performance. They’re lightweight and tough, enabling higher revs and dependable performance, even with high-boost and nitrous-assisted applications. They’re made of 4032 forged aluminum and available in 4.065” and 4.185″ bores.

Additional details include:

  • Flat-top or dished designs with valve relief cut-outs
  • High-tech skirt coating
  • Forced pin oiling
  • Pistons come with wrist pins and rings
Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to