Description
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 gives you peace of mind and protects your investment. ACR can be installed on stock or Screamin’ Eagle Performance cylinder heads for all ’07-later Twin Cam equipped models. Installation requires matching 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 P/N 70623-06 or 70623-08.
Part Numbers
28861-07A,70623-06,70623-08Request Info
AUTOMATIC COMPRESSION RELEASE
Manufacturer: Harley-Davidson®Fill out your contact information to request information on this product, or contact us at the number below.
Toll Free:
Phone: (810) 225-2915
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