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19166958 - LSX454, 4.185" Bore Piston

This product may require vehicle validation(s) for proper fitment. Please contact us to confirm correct vehicle fitment and usage.

Pricing: $105.18


Complete your all-LSX roatating assembly wtih GM Performance Parts' new LSX forged aluminum pistons. They're lightweight and tough, enabling higher reves 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 relef cut-outs
  • High-tech skirt coating
  • Forced pin oiling
  • Pistons come with wrist pins and rings

LSX454 Piston, 4.185" bore

  • Forged dished piston with valve reliefs
  • Must be used with LSX connecting rods only
  • 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 rod with 0.866" wrist pin bores.

Application List



Shipping Information

  • Item Requires Shipping
  • 2.0 lbs.
  • W4.3000” x H4.2000” x L4.6000”

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