Automatic Compression Release Solenoid Kit
Original price was: R976.00.R538.00Current price is: R538.00.
Harley-Davidson Automatic Compression Release (ACR) valves that automatically reduce cylinder compression during starting, easing the load on the starter and battery of high-performance Twin Cam engines.
- Description
- Size Guide
Description
The Automatic Compression Release kit (P/N 28861-07A) reduces cylinder compression automatically during cranking, making high-compression and big-bore Twin Cam engines far easier to start. Once the engine fires, the ACR valves close to restore full compression.
By easing the strain of starting a high-performance motor, the ACR system reduces wear on the starter motor and battery and is a popular addition to Screamin’ Eagle performance builds. The solenoids can be used with Original Equipment or Screamin’ Eagle cylinder heads.
Installation requires machining of the cylinder heads by a qualified technician using the separate fixture kit, plus a model-specific wiring harness, both sold separately.
Fitment: 2007-2017 Twin Cam equipped models. Does not fit Twin-Cooled engines.
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