LS-Series Piston, 3.898″ Bore, Oversize +.010″


  • 3.898″ bore
  • Oversize +.010″
  • Hypereutectic LS1 and LS6 replacement
  • For 5.7L engines
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SKU: 88984246 Categories: ,

Piston – LS1 and LS6

P/N 88984246

Hypereutectic LS1 and LS6 Replacement.

  • Engine size: 5.7L
  • Bore size: 3.898
  • Oversize: +.010″
  • Rod Length: Standard
  • Pin Type: Pressed
  • With Chamber: 65

Note: Representative image.


Piston – LS1 and LS6

88984245 Chevrolet Piston

3.898″ Bore, Oversize +.010″

Premium-quality hypereutectic aluminum alloy pistons are used on most production LS engines (the LS9 supercharged uses forged aluminum). They are lightweight, durable and promote quieter operation. Chevrolet Performance offers production and oversized pistons for many applications. They’re sold individually, unless otherwise specified.

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