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15-21 WRX & STI Cooling
sale

Precision Works Cylinder 4 Coolant Mod 15-21 Subaru STI

Sale Price:$50.00 Original Price:$75.00

Part Number: PW-COOLANT-MOD-SUB

Description: Precision Works Cylinder 4 Coolant Mod

Fitment: 15-21 Subaru STI

Details:

Key Features:

  • Increase flow to cylinder 4

  • Reduce cylinder 4 temperatures to keep all cylinders temp. even

  • Reduce knock and detonation

  • Prevent ring land failure

  • 6061 billet aluminum

  • Precision CNC machined

  • Multi-layer silicone hose

  • Stainless steel clamps

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