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PARTS INTENDED FOR COMPETITION USE ONLY.
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Racing Flag

PARTS INTENDED FOR COMPETITION USE ONLY.
Click for more details.

LSX PISTONS

19244016

LSX376 Piston, 4.065" bore

  • 14cc dish that lowers compression to approx. 9:1 (with most standard LS cylinder heads)
  • Optimized for supercharged and turbocharged combinations
  • Use with stock-type connecting rods only

19166958

LSX454 Piston, 4.185" bore

  • 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


LS PISTONS 

88984245

Hypereutectic LS1 and LS6 replacement

  • Engine Size: 5.7L
  • Bore Size: 3.898"
  • Oversize: Standard
  • Rod Length: Standard
  • Pin Type: Pressed
  • Comp Ratio: Standard
  • With Chamber: 65

88984246

Hypereutectic LS1 and LS6 replacement

  • Engine Size: 5.7L
  • Bore Size: 3.898"
  • Oversize: +.10"
  • Rod Length: Standard
  • Pin Type: Pressed
  • Comp Ratio: Standard
  • With Chamber: 65

19178305

Hypereutectic LS2 and LQ9 replacement

  • Engine Size: 6.0L
  • Bore Size: 4.000"
  • Oversize: Standard
  • Rod Length: Standard
  • Pin Type: Floated
  • Comp Ratio: 10.9
  • With Chamber: 65

89017479

Hypereutectic LS2 and LQ9 replacement

  • Engine Size: 6.0L
  • Bore Size: 4.000"
  • Oversize: +.20"
  • Rod Length: 6.098"
  • Pin Type: Pressed
  • Comp Ratio: Standard
  • With Chamber: 65

89017484

Production ring pack for ’05-’06 LS2, ’06 L76 

  • Bore Size: 4.000"
  • Oversize: Standard
  • Ring Thickness: 1.2, 1.5, 2.5mm

88894243

Production ring pack for ’05-’06 LQ9

  • Bore Size: 4.000"
  • Oversize: Standard
  • Ring Thickness: 1.5, 1.5, 3.0mm

89017776

Production ring pack for ’06 LS7

  • Bore Size: 4.125"
  • Oversize: Standard
  • Ring Thickness: 1.2, 1.2, 2.0mm

89017777

Oversize LS7 ring pack

  • Bore Size: 4.125"
  • Oversize: +.020"
  • Ring Thickness: 1.2, 1.2, 2.0mm

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Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance parts that are emissions-related may not meet U.S., Canadian, and state and provincial laws and regulations relating to motor-vehicle emissions. These parts are designed and intended for use in vehicles operated exclusively for competition: in racing or organized competition on courses separate from public streets or highways. Visit www.chevroletperformance.com/emissions for more details.