• Crown requires no deburring or preparation
• 2618 T6 high tensile forged aluminum
• NEW ASYMMETRICAL FSR forging! State of the art asymmetrical skirt technology reduces friction and mass while providing a more rigid and durable platform (Skirt Style F).
• In this environment, higher boost levels or heavy nitrous usage necessitate JE's wrought 2618 alloy.
• FSR pistons include offset pins for quiet operation.

• Dished pistons feature new Smooth Finished Crown process for excellent flame travel.
• 1.0 x 1.2 x 2.8mm ring widths
• .866 x 2.250 straight wall carbon steel wrist pin provided.
• Pin fitting and wire locks included
• Rings included
  
  
  

Ultra Series Includes: 

• Grain Flow Optimized Forging 
• Lateral Gas Ports 
• Ceramic Crown Coating 
• Perfect Skirt Coating 
• Accumulator Groove 
• Double Pin Oiling 
• Upgraded 9310 Pins and locks 
• Carbon Steel Nitride Rings