Make sure this part fits
Automatic Compression Release
$45.95
Make sure this part fits
Automatic Compression Release
$45.95
or
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.
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ACR can be installed on stock or Screamin' Eagle® Performance cylinder heads for all '07-later Twin Cam equipped models
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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)
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Installation requires separate purchase of model specific ACR Wiring Harness
Fits '07-'17 Twin Cam-equipped models. Can be used with Original Equipment or Screamin' Eagle® Cylinder Heads. Does not fit with Twin-Cooled engines.
Sold In Units:
Each
In the Box:
Valve only
WARRANTY:
1 year limited warranty – Go to www.h-d.com/warranty for full details
Your order can be ready for pickup at your dealer in as little as two hours for in-store stocked items.
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