The pistons from Diamond Pistons are suitable for use on the street as well as at the drag strip. Domestic engines with high-compression, forced induction, or nitrous-fed engines are designed and tested for high-stresses. These forged aluminium pistons are precisely built for your engine to produce the performance you need, and they are engineered with lifespan, reliability, and strength in mind.

LS9/LSA Competition Series

Piston Features:
  • 3D milling on piston crowns for ready to install finish
  • Valve pockets designed to work with most aftermarket cylinder heads
  • Offset pins for quiet operation
  • Moly skirt coating for friction loss and skirt wear protection
  • Top ring down dimension: .250"
  • Ratios figured for .040 head gasket
  • Premium 1.2mm x 1.2mm x 3.0mm ring package included
  • Premium 8620 .185W wrist pins included
  • Valve pocket depth: 0.178" intake and .108" exhaust
  • 2618 material for High HP-NOS-Boost applications

Forced pin oilers from the oil ring; Pin Fitted; Moly Coated Skirts; 3D Pockets; Pins, Lock's & Support Rails (if required) included

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