Harley-Davidson® Screamin’ Eagle® Pro Evolution® 1340 Camshafts* - SE-4 CAM - 25752-97
Unique advanced profile design provides exceptional bolt-in power for heavy bikes. Broad torque band from 300 RPM through 5500 RPM. For Race Application ONLY.
Note: 1340 Cams over .510” lift may require case and/or tappet guide machining for cam lobe clearance. 84-85 model’s pistons may need to be fly-cut to obtain proper clearance. Please refer to instruction sheets and service manuals for more details.
* Warning Harley’s® equipped with some Screamin’ Eagle® High Performance engine parts may not be used on public roads and in some cases must be restricted to closed course competition. Engine Related Performance Parts are Intended For Experienced Riders Only!
Warranty Implications: Installation of these products (and similar products from other manufacturers) may void your
Lift @ valve Intake/ Exhaust:(.505”/.505”)
Duration @ .053 Intake/ Exhaust:(235°/240°)
Timing @ .053 lift Open/Close:
(Intake: 20° BTDC/36°ABDC
TDC Lift @ valve int/exh: (0.189”/.151”)
* Theoretical based on rocker arm ratio of 1.65. Valve train components, operation temperature and tolorence stack-up will affect actual lifts.
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