412 Series, 11in. Rear Shock Absorbers with Full Cover - Chrome. Fits Big Twin 1973-1986. - Progressive Suspension Complete Charging Systems necessary to torque the pinion

necessary to torque the pinion nut

* Replaces OEM # 27749-04

* Replaces OEM # 44000-78B

* Replaces OEM # 29981-95

31 grams per second)

412 Series, 11in. Rear Shock Absorbers with Full Cover - Chrome. Fits Big Twin 1973-1986. - Progressive Suspension Complete Charging Systems necessary to torque the pinionFeatures & Benefits: * 412 Series Shock. * Best value shock on the market today. * Simple, durable design will be an improvement over the Original. * Double wall steel body construction. * Nitrogen charged, multi staged velocity sensitive valving. * Smooth, consistent damping. * Multi position cam style preload adjuster. * Progressively wound Spring. Tech Tips: * If you are purchasing longer or shorter suspension, confirm that changing your Suspension