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89017478 - LS2, LQ9 Standard Bore Piston

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

Availability: Replaced by 19178305


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. GM Performance Parts offers production and oversized pistons for many applications. They're sold individually, unless otherwise specified.

  • Engine size - 6.0L
  • Bore size - 4.000"
  • Oversize - standard
  • Rod length - standard
  • Pin type - floating
  • Comp ratio - 10.9
  • with Chamber - 65cc
  • Hypereutectic LS2 and LQ9 replacement

Application List



  • 89017478
  • 89017478
  • GM (General Motors)
  • Replaced by 19178305
  • New


Shipping Information

  • Item Requires Shipping
  • 1.2 lbs.
  • W4.4000” x H4.4000” x L4.6000”

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