后纵臂至弹簧板偏心螺栓。保时捷 911 74-89  ❭  90133313306

衬套套装及说明书：
包含 4 个标准橡胶软度弹簧板衬套（邵氏 A 硬度 55-60）



外径：75毫米
内径：48毫米
厚度：42毫米

适用：
保时捷 911 1968-89
保时捷 912 1968-69
1976款保时捷912
保时捷 930 1978-79

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91133300900B

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衬套设置说明：
包括 4 个重型橡胶软弹簧板衬套（硬度为 80-85 肖氏硬度 A）

外径：75mm
内径：48mm
厚度：42mm

适合:
保时捷911（1968-89年）
保时捷912 1968-69
1976 年款保时捷 912
保时捷 930 1978-79

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91133300900BHD

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Spring plate PolyBronze bearings
For Porsche 911, 912, 930 1968-1989 Spring Plate SAW



PolyBronze bearings are superior to plastic bushing alternatives, here's why:

Suspension mounts are coarse sheet metal pressings. They tend to be out-of-round and have irregularities that deform ordinary polyurethane bushings, pinching and binding the friction surface. Polyurethane is "grippy" with an inherently high coefficient of friction and combined with pinching polyurethane bushings create a lot of friction. The result is a harsh ride and reduced tire adhesion.

PolyBronze have a rigid bronze bearing core that does not deform. The polyurethane jacket absorbs mount irregularities while the bronze inner bearing remains true, providing a free-moving machined-fit that rides on a precision race. Provided grease fittings make re-lubrication a breeze and a figure 8 groove keeps grease in place.

The combination delivers zero squeaks and friction-free suspension movement. Well suited to street or track, ride quality.

PolyBronze is a precision bronze bearing encased in a polyurethane jacket. The combination delivers a smooth-ride with the extreme performance of a metal bearing.

✔ No squeaks or binding
✔ Extremely smooth ride quality
✔ Easier to install than rubber bushings
✔ Integrated grease fittings and grooves

Note – 1967 spring plate bushings changed mid-year. The following '67 chassis numbers transitioned to the late style '69-'89 style bushes.

• '67 911 from Chassis Serial Number 307 325
• '67 912 from Chassis Serial Number 354 938
• '67 911 S from Chassis Serial Number 305 101 A

All earlier '67 chassis numbers use the early '65-'66 style bushes.

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2061501

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