Automatic Compression Release - 28861-07A

Automatic Compression Release - 28861-07A

Harley Davidson

Product #: 28861-07A

  • $33.96 $39.95

Product Details

Automatic Compression Release (ACR) valves reduce the strain of starting your high performance motor by reducing cylinder compression - automatically! The engine is easier to turn over resulting in less wear on your starter and battery. After start, the ACR valves close to restore full compression.

  • ACR can be installed on stock or Screamin' Eagle® Performance cylinder heads for all '07-later Twin Cam equipped models
  • Install requires machining to be performed by a competent machinist using the Screamin' Eagle® Automatic Compression Release Fixture Kit P/N 94648-08 (sold separately)
  • Installation requires separate purchase of model specific ACR Wiring Harness

Fits '07-later Twin Cam equipped models. Can be used with Original Equipment or Screamin' Eagle® Cylinder Heads. Does not fit with Twin-Cooled engines.


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