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ARP 4.055in Tapered Piston Ring Compressor - 900-0550

$64.75

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ARP 4.055in Tapered Piston Ring Compressor - 900-0550

$64.75

$64.75

The ARP 4.055in Tapered Piston Ring Compressor is a precision engine-building tool designed to ensure safe and efficient piston installation. Unlike universal adjustable compressors that can lead to ring breakage or misalignment, this fixed-bore tool uses a precise internal taper to gradually compress the rings as the piston is pushed into the cylinder. This eliminates the risk of snagging a ring on the deck surface or marring the piston skirts during assembly.

  • CNC-machined from high-quality 6061-T6 aluminum billet for exceptional durability
  • Hard-anodized finish provides a smooth surface and resists wear over time
  • Precision 4.055-inch bore diameter for exact tolerances
  • Tapered design facilitates a seamless transition from the tool into the engine block
  • Manufacturer Part Number: 900-0550

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