Progressive 465 Series R.A.P. remote adjustable preload shocks for Harley-Davidson M8 Softail models, featuring a 46mm bore monotube design with deflective disc damping and hand-tuned valving. Preload adjusts via threaded body with a 5-position rotatable rebound damping adjuster, available in four lengths to dial in ride height.
Features
- 46mm bore high-pressure gas monotube design
- Remote Adjustable Preload (R.A.P.) threaded body with hand-adjustment knob
- 5-position rotatable rebound damping adjuster
- 2:1 motion ratio in Standard or Heavy-Duty spring rates
- Available in 12.2, 12.6, 13.1, and 13.5 inch lengths
- 16mm hard chrome shaft with Viton seals
- Hand-built, tuned, and dyno-tested
- Limited Lifetime Warranty
Specifications
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Brand: Progressive
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Manufacturer Part #: 465-5047B
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Category: Suspension / Shocks and Struts
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Weight: 9.95 lb
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Shock Lengths Available: 12.2, 12.6, 13.1, 13.5 inches
Fitment
Fits Harley-Davidson M8 Softail models equipped with the 465 suspension.
Frequently Asked Questions
What does Remote Adjustable Preload (R.A.P.) mean?
R.A.P. lets you adjust spring preload by hand using a knob on the shock body — no tools needed to fine-tune ride height and handling.
Can I adjust rebound damping?
Yes — the 5-position rotatable rebound adjuster lets you dial in how quickly the shock compresses and extends to match your riding style.
Which shock length should I order?
Available lengths are 12.2, 12.6, 13.1, and 13.5 inches. Length choice affects ride height; consult Progressive's fitment chart or contact us for your preferred height.
Are these hand-assembled?
Yes — each shock is hand-built, individually tuned, and dyno-tested before shipment to ensure consistent performance.
What's the warranty?
Progressive backs these with a Limited Lifetime Warranty against manufacturing defects.
California Proposition 65 Warning
WARNING: Cancer and Reproductive Harm — California Prop 65 (Y). www.P65Warnings.ca.gov