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Rear Differential

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DISPLAYING 1 to 27 (of 27 products)
Lsd performance upgrade kit. Porsche 911 915 gearbox / 968
Code: LSDUPGRADEKIT
LSD performance upgrade kit

racingdiffs

Fits:
Porsche 911 - 1972 to 1986 with 915 Gearbox
Porsche 968 - 1992 to 1995 
For cars with Porsche LSD fitted - Option Code M220 (Locking differential 40 %)

Upgrade the standard Porsche LSD to these Track Day / Race inspired components for improved, performance traction.

Kit Includes:
Friction Plate Upgrade Set
Multi Variation Ramp Set

RacingDiffs Performance LSD clutch plates fit OEM Porsche (ZF) LSD unit without any modifications:

The clutch discs are perforated for better cooling and great viscosity to resist the oil build-up in the holes between dog ear plates as it is well known that drilled brake discs improve cooling over solid discs. It is the same with the LSD clutch discs.

The highest quality thermally processed tool steel is used which differentiates our products from any others on the market.

During the final steps of production the clutch plates are coated with special Molybdenum-Ceramic compound which optimizes the best ratio of friction coefficient and durability. This drastically reduces material wear and warping under extreme conditions providing our clutch plates the best possible longevity.

We mastered knowledge in the field of friction materials and coatings, which is the cornerstone of the quality of our products.

All of our clutch plates are thoroughly tested and are currently being used in various racing cars throughout Europe and USA including track, hill climb and rally.

Please Note:
Friction plate upgrade kit should only be fitted by someone with the relevant knowledge and experience.


About this kit
Kit
2mm crown wheel spacer. Porsche 915 transmission
Code: CMS.915.RGS
This 2mm spacer ring allows for a much easier setup when retrofitting some differentials and or crown wheel and pinions within the 915 family.

Note
Longer ring gear bolts may be required
Best Price
Differential Carrier Bearing. Porsche 914/6 / 911F
Code: 99905900800
Differential Carrier Bearing.

porsche

Fits:
Porsche 914/6 1970–1972 Sportomatic gearbox only
Porsche 911 F 1965–1973

Click 'Zoom in' for large parts diagram.
Diagram ref no 8

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99905900800
99905900800

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Porsche Genuine Parts
Differential carrier bearing. Porsche 914/6 / 911F
Code: 99905900800/1
Differential carrier bearing.

oematch

Fits:
Porsche 914/6 1970–1972 Sportomatic gearbox only
Porsche 911 F 1965–1973

Click 'Zoom in' for large parts diagram.
Diagram ref no 8

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99905900800
19274
99905900800

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Best Product
Differential housing hex bolt. Porsche 911 65-83 / 914
Code: 91533227604
Differential housing hex bolt. M 12 X 1.25.

porsche

Fits:
Porsche 911 1965-83
Porsche 930 Turbo 3.0L 1975-77
Porsche 914 1970-76

Click 'Zoom in' for large parts diagram.
Diagram ref no 10

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91533227604
91533227600
91533227604

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Porsche Genuine Parts
Differential housing hex bolt. Porsche 911 65-83 / 914
Code: 91533227604/1
Differential housing hex bolt. M 12 X 1.25.

oematch

Fits:
Porsche 911 1965-83
Porsche 930 Turbo 3.0L 1975-77
Porsche 914 1970-76

Click 'Zoom in' for large parts diagram.
Diagram ref no 10

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91533227604
91533227600
91533227604

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Best Product
Differential Housing Lock Plate. Porsche 911 / 914 / 924
Code: 90133228501
Differential Housing Lock Plate.

porsche

Fits:
Porsche 911 1965-89
Porsche 914 1970-76
Porsche 924 1976-85

Click 'Zoom in' for large parts diagram.
Diagram ref no 8.

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90133228501
90133228501

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Porsche Genuine Parts
Differential Housing Lock Plate. Porsche 911 / 914 / 924
Code: 90133228501/1
Differential Housing Lock Plate.

oematch

Fits:
Porsche 911 1965-89
Porsche 914 1970-76
Porsche 924 1976-85

Click 'Zoom in' for large parts diagram.
Diagram ref no 8.

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90133228501
90133228501

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Best Product
Friction plate upgrade kit for LSD. Porsche 911 / 968 with LSD (limited slip differential)
Code: 92833255100/1
Friction plate upgrade kit, limited slip differential (LSD)

racingdiffs

Fits:

Porsche 911 - 1972 to 1986 with 915 Gearbox
Porsche 968 - 1992 to 1995 
For cars with Porsche LSD fitted - Option Code M220 (Locking differential 40 %)

Upgrade the standard Porsche LSD to these Track Day / Race inspired components for improved, performance traction.

RacingDiffs Performance LSD clutch plates fit OEM Porsche (ZF) LSD unit without any modifications:

The clutch discs are perforated for better cooling and great viscosity to resist the oil build-up in the holes between dog ear plates as it is well known that drilled brake discs improve cooling over solid discs. It is the same with the LSD clutch discs.

The highest quality thermally processed tool steel is used which differentiates our products from any others on the market.

During the final steps of production the clutch plates are coated with special Molybdenum-Ceramic compound which optimizes the best ratio of friction coefficient and durability. This drastically reduces material wear and warping under extreme conditions providing our clutch plates the best possible longevity.

We mastered knowledge in the field of friction materials and coatings, which is the cornerstone of the quality of our products.

All of our clutch plates are thoroughly tested and are currently being used in various racing cars throughout Europe and USA including track, hill climb and rally.

Please Note:
Friction plate upgrade kit should only be fitted by someone with the relevant knowledge and experience.






Related reference numbers
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92833255100
92833255100
91733255210
91733255212
91733255211

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Special Offer
Limited Slip Differential (LSD) for Quick Acceleration Porsche 911 901 Gearbox
Code: QDF5Q
Automatic Torque Biasing Differential enables your car to accelerate quicker and corner faster.

quaife

Fits:
Porsche 911 901 GEARBOX

For Technical Specifications Click Here

Quaife ATB Helical LSD differential for Porsche 911 1969-74 is suitable for Porsche 911 models in model year 1969-74 only. A direct replacement for the standard Porsche differential, the Quaife ATB Helical LSD differential transforms your car’s performance.

Unlike a conventional plate-style limited slip differential, the Porsche 911 1969-74 Quaife ATB Helical LSD differential relies on gears rather than clutch plates for its operation. That means it is much smoother in operation.

The Porsche 911 1969-74 Quaife ATB Helical LSD differential never locks harshly with a set pre-load of wheel slip across the driven axle, like a conventional LSD. Rather, the Porsche 911 1969-74 Quaife ATB Helical LSD differential automatically biases the torque away from the spinning wheel across the axle, to a constantly varying degree, and never locks.

The Porsche 911 1969-74 Quaife ATB Helical LSD differential has many benefits over a standard open differential, including maximising traction and minimizing wheelspin, eliminating torque steer and snatching in front wheel drive cars compared to conventional LSD units, and a maintenance-free design which retains the standard oil lubrication.

The Porsche 911 1969-74 Quaife ATB Helical LSD differential is proven in circuit and drag racing, rallying and road use, and is produced from Corus steel billets, and is CAD designed and CNC machined, then inspected to ISO 9001 standards.
Best Price
Limited Slip Differential (LSD) for Porsche 911 / 914 (901 Gearbox)
Code: 40309130WK
Wavetrac® Differential

wavetrac

FITS:
Gearbox type 901:
Porsche 911 1969-74
Porsche 914 1969-74

• Innovative:
Patented Wavetrac® design automatically improves grip in low traction conditions. This feature is truly innovative and unlike any other torque biasing diff design.

• Superior Materials:
9310 steel gears run in case-hardened billet or forged steel bodies. ARP® fasteners used throughout.

• Maintenance Free:
As supplied new, the Wavetrac® differential will perform a lifetime of service without maintenance or rebuilds.

• Customizable:
If desired, you can alter the diff's behavior to suit your needs using optional components.

• Limited LIFETIME Warranty:
All Wavetrac® differentials include a transferable, Limited Lifetime Warranty.

For More information Click Here

Please note: This is a special order part and usually takes between 2-6 weeks to come into stock.

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40309130WK
40.309.130WK
40309130WK

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Best Price
Multi variation ramp set for lsd. Porsche 911 / 944 / 968
Code: 92833251100/1
Multi variation ramp set for LSD (limited slip differential)

racingdiffs

Fits:
Porsche 911 Carrera - 1972 to 1989
Porsche 944 Early models - 1982 to 1991
Porsche 968 - 1991 to 1995
Only for cars with Option Code - 
M220 (Locking differential 40 %)

Upgrade the standard Porsche LSD to these Track Day / Race inspired components for improved, performance traction.

What is LDS ramp angle?
Ramp angles primarily determine the behaviour of the LSD under acceleration and braking. They are often referred to as 1 way, 1.5 way, and 2 way, these terms refer to when the differential locks. 

LSD Multi-variant Ramp set (Pressure plates) provides 3 different ramp angle positions:

30°/30°
30°/60°
50°/65°

Pressure plates are made from a forged material for maximum strength
High-precision CNC finish provides a Plug & Play installation
Chemically heat treated for high durability and wear resistance

Why is the Multi-variant Ramp set a must-have for all types of racing ?
This set combined with our Performance clutch set is the ultimate LSD performance upgrade. It allows you to adjust your differential from 25% up to 100% lock in 2 ways or 1.5 ways. By altering the ramp angle setup, you control how fast and effectively the differential locks. You don't need several differential as adjusting this one according to your track requirements will guarantee success.

Please Note:
Friction plate upgrade kit should only be fitted by someone with the relevant knowledge and experience.






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92833251100
92833251100

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Special Offer
Spacer ring for distance adjustment in the transmission, 2.5mm. Porsche 911 / 914
Code: 90133226501
Spacer ring for distance adjustment in the transmission,
2.5 mm.

porsche

Fits:
Porsche 911 F (1965 - 1970)
Porsche 914/6 (1970 - 1972) Only for 914/6 with Sportomatic transmission

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

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Spacer ring for distance adjustment in the transmission, 2.6mm. Porsche 911 / 914
Code: 90133226502
Spacer ring for distance adjustment in the transmission,
2.6 mm.

porsche

Fits:
Porsche 911 F (1965 - 1970)
Porsche 914/6 (1970 - 1972) Only for 914/6 with Sportomatic transmission

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

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Spacer ring for distance adjustment in the transmission, 2.7mm. Porsche 911 / 914
Code: 90133226503
Spacer ring for distance adjustment in the transmission,
2.7 mm.

porsche

Fits:
Porsche 911 F (1965 - 1970)
Porsche 914/6 (1970 - 1972) Only for 914/6 with Sportomatic transmission

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

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90133226503
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Spacer ring for distance adjustment in the transmission, 2.8mm. Porsche 911 / 914
Code: 90133226504
Spacer ring for distance adjustment in the transmission,
2.8 mm.

porsche

Fits:
Porsche 911 F (1965 - 1970)
Porsche 914/6 (1970 - 1972) Only for 914/6 with Sportomatic transmission

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

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Spacer ring for distance adjustment in the transmission, 2.9mm. Porsche 911 / 914
Code: 90133226505
Spacer ring for distance adjustment in the transmission,
2.9 mm.

porsche

Fits:
Porsche 911 F (1965 - 1970)
Porsche 914/6 (1970 - 1972) Only for 914/6 with Sportomatic transmission

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

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Spacer ring for distance adjustment in the transmission, 3.0mm. Porsche 911 / 914
Code: 90133226506
Spacer ring for distance adjustment in the transmission,
3.0 mm.

porsche

Fits:
Porsche 911 F (1965 - 1970)
Porsche 914/6 (1970 - 1972) Only for 914/6 with Sportomatic transmission

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

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Porsche Genuine Parts
Spacer ring for distance adjustment in the transmission, 3.1mm. Porsche 911 / 914
Code: 90133226507
Spacer ring for distance adjustment in the transmission,
3.1 mm.

porsche

Fits:
Porsche 911 F (1965 - 1970)
Porsche 914/6 (1970 - 1972) Only for 914/6 with Sportomatic transmission

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

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Spacer ring for distance adjustment in the transmission, 3.2mm. Porsche 911 / 914
Code: 90133226508
Spacer ring for distance adjustment in the transmission,
3.2 mm.

porsche

Fits:
Porsche 911 F (1965 - 1970)
Porsche 914/6 (1970 - 1972) Only for 914/6 with Sportomatic transmission

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

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Spacer ring for distance adjustment in the transmission, 3.3mm. Porsche 911 / 914
Code: 90133226509
Spacer ring for distance adjustment in the transmission,
3.3 mm.

porsche

Fits:
Porsche 911 F (1965 - 1970)
Porsche 914/6 (1970 - 1972) Only for 914/6 with Sportomatic transmission

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

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90133226509
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Spacer ring for distance adjustment in the transmission, 3.5mm. Porsche 911 / 914
Code: 90133226511
Spacer ring for distance adjustment in the transmission,
3.5 mm.

porsche

Fits:
Porsche 911 F (1965 - 1970)
Porsche 914/6 (1970 - 1972) Only for 914/6 with Sportomatic transmission

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

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90133226511
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Spacer ring for distance adjustment in the transmission, 3.6mm. Porsche 911 / 914
Code: 90133226512
Spacer ring for distance adjustment in the transmission,
3.6 mm.

porsche

Fits:
Porsche 911 F (1965 - 1970)
Porsche 914/6 (1970 - 1972) Only for 914/6 with Sportomatic transmission

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

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90133226512
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Spacer ring for distance adjustment in the transmission, 3.7mm. Porsche 911 / 914
Code: 90133226513
Spacer ring for distance adjustment in the transmission,
3.7 mm.

porsche

Fits:
Porsche 911 F (1965 - 1970)
Porsche 914/6 (1970 - 1972) Only for 914/6 with Sportomatic transmission

Click 'Zoom in' for large parts diagram.
Diagram ref no 6

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90133226513
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Porsche Genuine Parts
Taper roller bearing. Porsche 911 / 912 / 914 / 930 / 964 / 993 / 924 / 928
Code: 99905902702
Rear left and right differential carrier bearing.

porsche

Fits:
Porsche 911 1969-1971*
Porsche 911 1972-1989
Porsche 912 1969 *
Porsche 912E 1976
Porsche 914 1970-1976
Porsche 930 Turbo 1976-1989
Porsche 911 (964) C2 1989-1994 (rear right only)
Porsche 911 (964) Turbo 1990-1994 (rear right only)
Porsche 911 (993) 1995-1998 (rear right only)
Porsche 924 1976-1985
Porsche 928 1978-1995

* For models with magnesium pressure cast housing.

Click 'Zoom in' for large parts diagram.
Diagram ref no 8

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99905902702
99905902700
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Taper roller bearing. Porsche 911 / 912 / 914 / 930 / 964 / 993 / 924 / 928
Code: 99905902702/1
Rear left and right differential carrier bearing

oematch

Fits:
Porsche 911 1969-1971*
Porsche 911 1972-1989
Porsche 912 1969 *
Porsche 912E 1976
Porsche 914 1970-1976
Porsche 930 Turbo 1976-1989
Porsche 911 (964) C2 1989-1994 (rear right only)
Porsche 911 (964) Turbo 1990-1994 (rear right only)
Porsche 911 (993) 1995-1998 (rear right only)
Porsche 924 1976-1985
Porsche 928 1978-1995

* For models with magnesium pressure cast housing.

Click 'Zoom in' for large parts diagram.
Diagram ref no 8

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19277
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Thrust washer limited slip differential. Porsche 911 / 964 / 914 / 924 / 928 / 968
Code: 90133256111
Thrust washer limited slip differential. 
Sold each - 2 required per car

porsche

Fits:
Porsche 911 - 1965 to 1989
Porsche 964 - 1989 to 1994
Porsche 924 - 1978 to 1985
Porsche 928 - 1978 to 1991
Porsche 968 - 1992 to 1995
Porsche 914 - 1970 to 1976

Click 'Zoom in' for large parts diagram.
Diagram ref no 7



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90133256111
90133256111

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Porsche Genuine Parts
DISPLAYING 1 to 27 (of 27 products)
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About Rear Differential

Benefits of a limited-slip differential

The main advantage of a limited-slip differential is demonstrated by considering the case of a standard (or "open") differential in off-roading situations where one wheel has no contact with the ground. In such a case (with a standard differential), the non-contacting wheel will receive 100% of the power, while the contacting wheel will remain stationary. The torque transmitted will be equal at both wheels, and therefore, will not exceed the threshold of torque needed to move the wheel with traction. In this situation, a limited-slip differential prevents 100% of the power from being allocated to one wheel, and thereby keeping both wheels in powered rotation.

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