Racing Flag

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

Racing Flag

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

PISTONS

93422884

For 350 engines

  • Compression Ratio: 8.5:1
  • Head Chamber Volume: 76 cc
  • Size: Standard
  • Pin Type: Pressed
  • 350/290 hp

10159436

For 350 engines 

  • Compression Ratio: 10:1
  • Head Chamber Volume: 58 cc
  • Size: Standard
  • Pin Type: Pressed
  • 5.7L HO, ZZ4, and LT1
  • High-silicon aluminum

12514101

For 350 engines

  • Compression Ratio: 9.1:1
  • Head Chamber Volume: 64 cc
  • Size: Standard
  • Pin Type: Pressed
  • 350-cid, 300-hp and 330-hp service engine with “SP” ID

88962542

For 383 engines

  • Compression Ratio: 9.1:1 / 9.7:1*
  • Head Chamber Volume: 64 cc / 62 cc
  • Size: Standard
  • Pin Type: Pressed
  • 383 engine, first or second design

88962748

For 383 engines

  • Compression Ratio: 9.1:1 / 9.7:1*
  • Head Chamber Volume: 64 cc / 62 cc
  • Size: +0.005
  • Pin Type: Pressed
  • 383 engine, second design

88962749

For 383 engines

  • Compression Ratio: 9.1:1 / 9.7:1*
  • Head Chamber Volume: 64 cc / 62 cc
  • Size: +0.030
  • Pin Type: Pressed
  • 383 engine, first or second design

12499103

For 383 engines

  • Compression Ratio: 9.1:1 / 9.7:1*
  • Head Chamber Volume: 64 cc / 62 cc
  • Size: +0.005
  • Pin Type: Pressed
  • Kit containing 8 of P/N 88962748 (383 engine, second design)

12499104

For 383 engines

  • Compression Ratio: 9.1:1 / 9.7:1*
  • Head Chamber Volume: 64 cc / 62 cc
  • Size: +0.030
  • Pin Type: Pressed
  • Kit containing 8 of P/N 88962748 (383 engine, second design)

*Compression Ratio based on .028"- thick head gasket.


PISTON RINGS

12528817

Low-tension rings for ZZ4, LT1, and LT4 engines

  • Bore Size: 4.000"
  • Oversize: Standard

12499135

Premium-quality standard-size rings for first-design 383 engines

  • Bore Size: 4.000"
  • Oversize: Standard

12499136

Premium-quality rings for 383 engines

  • Bore Size: 4.000"
  • Oversize: +.030"

12499107

Set of 8 ring packs

  • Bore Size: 4.000"
  • Oversize: +.005"

12499231

Set of 8 ring packs of P/N 12528817 

  • Bore Size: 4.000"
  • Oversize: Standard

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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.