4-Tec Pro-Series Forged Pistons 9.5:1/Std

Out of stock
SKU
RS1000-1503-9.5
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Our forged racing pistons deliver maximum reliability and performance in high boost & turbo applications. High strength piston kits include premium ring package, tool steel wrist pin & carbon steel wire locks.

Key Features Include:

  • CNC machined from high strength/lightweight forgings.
  • Optimized dome design for efficient combustion.
  • Improved lubrication hole placement for reduced friction.
  • Premium low friction ring package.
  • High-strength tool steel wrist pins machined from special tool steel bar stock & heat treated.
  • Carbon steel wire locks.
  • Available in various compression ratio's and bore sizes.


  • Fits all 4-Tec engines. 9.5:1 compression ratio. Standard Bore.
    More Information
    SKU RS1000-1503-9.5
    Manufacturer Riva
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