NPR

915 变速箱的升级主轴和第一齿轮组。

＃美国国家公共电台＃

适合：
保时捷 911 - 1972 年至 1986 年
适用于 915 变速箱

升级或改装您的 915 变速箱？从下面所示的齿轮比中选择

• 高级细晶9310 VAR合金钢材料
• CNC 加工
• 一级方程式齿形
• 喷丸处理
• REM-抛光
  

单击“放大”查看大零件图。
图表参考号 1

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相关编号、被取代编号、交叉引用编号或替代编号，供比较之用。

91530292114

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Limited slip differential (LSD) torque biasing. 



Fits:
Porsche 356 - 1950 to 1955
Porsche 356A - 1955 to 1959
Porsche 356B - 1959 to 1963
Porsche 356C - 1963 to 1965

No Politics Racings (NPR) limited slip differential are the pinnacle in high-speed track and racing applications specifically designed to increase grip and decrease lap times. 
Our LSDs provide lock-up on both acceleration and deceleration which can be adjusted by using our exclusive dual ramp design allowing for numerous lock-up percentages to be utilized depending on track conditions and car configuration. Multiple friction disc and plain plate configurations are possible with our standard configuration being 4 friction discs and 4 plain discs and our Torque Flow model being 6 plain discs and 6 friction discs.
NPR’s aerospace technology friction discs dramatically increase the useful life of our LSDs compared to OEM versions. All vital areas of NPR LSDs are high precision ground and shot-peened for added strength and durability then, finished with an Isotropic Super Finish (REM).

• High-Precision Gear Pockets
• 4340 Chromoly Billet Body
• Highly Polished (REM) Internals

相关参考编号
相关编号、被取代编号、交叉引用编号或替代编号，供比较之用。

64433204300

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Uprated 2nd gear set 915 gearbox. 



Fits:
Porsche 911 - 1969 to 1986 
For 915 gearbox

Uprating or modifying your 915 gearbox? Choose from the gear ratios shown below

• High grade fine-grained 9310 VAR alloy steel material
• CNC-machined
• Formula One tooth profile
• Shot-peened
• REM-polished
  

Click 'Zoom in' for large parts diagram.
Diagram ref no 5

Uprated 3rd gear set 915 gearbox. 



Fits:
Porsche 911 - 1969 to 1986 
For 915 gearbox

Uprating or modifying your 915 gearbox? Choose from the gear ratios shown below

• High grade fine-grained 9310 VAR alloy steel material
• CNC-machined
• Formula One tooth profile
• Shot-peened
• REM-polished
  

Click 'Zoom in' for large parts diagram.
Diagram ref no 3

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相关编号、被取代编号、交叉引用编号或替代编号，供比较之用。

92330290323

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Uprated 4th gear set 915 gearbox. 



Fits:
Porsche 911 - 1969 to 1986 
For 915 gearbox

Uprating or modifying your 915 gearbox? Choose from the gear ratios shown below

• High grade fine-grained 9310 VAR alloy steel material
• CNC-machined
• Formula One tooth profile
• Shot-peened
• REM-polished
  

Click 'Zoom in' for large parts diagram.
Diagram ref no 4


相关参考编号
相关编号、被取代编号、交叉引用编号或替代编号，供比较之用。

91530290440

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Uprated 5th gear set 915 gearbox. 



Fits:
Porsche 911 - 1969 to 1986 
For 915 gearbox

Uprating or modifying your 915 gearbox? Choose from the gear ratios shown below

• High grade fine-grained 9310 VAR alloy steel material
• CNC-machined
• Formula One tooth profile
• Shot-peened
• REM-polished
  

Click 'Zoom in' for large parts diagram.
Diagram ref no 5

相关参考编号
相关编号、被取代编号、交叉引用编号或替代编号，供比较之用。

91530290582

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