Automatic Compression Release (ACR) valves reduce the strain of starting your high performance motor by reducing cyclinder 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.
Fits '07-later Twin Cam-equipped models. Can be used with original stock or screamin' eagle heads
Installation requires separate purchase of model-specific ACR wiring harness
sold as a pair
Components for Sale
Ricks motorsport electric starter 61-310(US $157.22)
Ktm pro sr 50(US $900.00)
2004 2005 suzuki gsxr600 750 engine motor sprocket cover oem factory (US $30.00)
1983 honda xl80 xl 80 cylinder with good bore(US $24.99)
S&s quickee pushrod set harley-davidson fxe super glide 1984(US $159.95)
Honda cr250 cylinder 1997 kz3j 1992-2000 cr250r(US $9.99)
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