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28861-07A

Automatic Compression Release

Regular price $0.00 Sale


Call, Text, Email or click the link to message a Motorclothes specialist to confirm availability and order your product:

Langley
Call:604.534.6044
Text:778.608.3174
Email: motorclotheslangley@barneshd.com
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Victoria
778.401.6365
Text:778.608.3170
Email: motorclothesvictoria@barneshd.com
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Kamloops
778.644.0580
Text:778.608.3178
Email: motorclotheskamloops@barneshd.com
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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
  • Warranty

    1 year limited warranty – Go to www.h-d.com/warranty for full details
  • Sold in Unit

    Each
  • In The Box

    Valve only