Sifton 142 cam, often listed as the 142-EV for Harley-Davidson Evolution engines, is designed to enhance mid-to-high RPM range power.
Sifton 142-EV (Evolution Big Twin) Specifications:
Grind: 142-EV
Intake Lift: .480"
Exhaust Lift: .480"
Intake Duration (Advertised): 250°
Exhaust Duration (Advertised): 265°
Timing (.053" lift):
Inlet Open/Close: 32° / 52°
Exhaust Open/Close: 60° / 24° (Note: Source 0.4.3 lists different specs for 142-EV than 0.4.2, ensure checking specific version)
Other Notes:
Sifton 142/590: Listed as a different profile with 244°/250° duration and .462/.435 lift.
Application: Generally used for performance applications on 80ci+ Evolution engines.
Please note that Sifton cams were distributed by V-Twin Manufacturing and specs can vary slightly between old and new catalogs.
selling as pictured.
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