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CMS
About CMS
We specialize in Porsche transmissions, manufacturing many components and upgrades.
CMS have served the Porsche community for over 35 years and continue to do so.
Vehicle Group
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Information
Finally, conversion axle flanges for early 911s and 914s. These are machined in house from 4340 billet steel and heat treated.
Our custom "coarse spline/18 spline" drive flanges will allow 930 or G50 CV joints (with metal grease caps) to bolt up to the early 1969-75 911s and all 914 transaxles.
Shaft length was designed with the stock open diff in mind. If by off-chance you have a factory LSD, spacers will be required.
Sold in pairs.
Fits
Porsche 911 - 1969 to 1975
Porsche 914
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
CMS.914.18T
The product you are viewing cross references to these numbers
Our custom "coarse spline/18 spline" drive flanges will allow 930 or G50 CV joints (with metal grease caps) to bolt up to the early 1969-75 911s and all 914 transaxles.
Shaft length was designed with the stock open diff in mind. If by off-chance you have a factory LSD, spacers will be required.
Sold in pairs.
Fits
Porsche 911 - 1969 to 1975
Porsche 914
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
CMS.914.18T
90133223200
PCG33222300
91433222301
The product you are viewing cross references to these numbers
Price: €1,270.20
Orderable
Vehicle Group
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
Information
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
Note
Longer ring gear bolts may be required
Price: €92.80
In stock
Vehicle Group
- Porsche 964 (911) C2 1989-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
Information
The 993 transmission side cover is popular for kit car and V8 applications. It will not flex and minimizes gear misalignment under load. Machined in house from 6061 aluminum billets.
Fits:
Porsche 964 C2 '90-'94 with G50/03, G50/05 transmission
G50/21 transmission.
Porsche 993 C2 & C4 '95-'98 with G50/20, G64/20 transmission
Replaces part numbers: 950.301.312.06, 950.301.312.07
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95030131207
The product you are viewing cross references to these numbers
Fits:
Porsche 964 C2 '90-'94 with G50/03, G50/05 transmission
G50/21 transmission.
Porsche 993 C2 & C4 '95-'98 with G50/20, G64/20 transmission
Replaces part numbers: 950.301.312.06, 950.301.312.07
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95030131207
95030131207
95030131206
The product you are viewing cross references to these numbers
Price: €597.40
In stock
Vehicle Group
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MK1 GT2 2007-09
Information
CMS billet aluminum fork is heavier duty compared to street and is less expensive than Motorsport.
✓ Proper rail to fork interference fit
✓ Perfect roll pin provision
✓ Substantial surface area to shift sleeve
✓ Maintains correct tolerances
Fits all 996T, 996 & 997 GT2 & GT3 including RS and synchromesh CUP
G96/50, G96/88, G96/90, G96/93, G96/96, G96/97, G97/88, G97/90, G97/92
Replaces part 996.303.111.51
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99630311151
The product you are viewing cross references to these numbers
✓ Proper rail to fork interference fit
✓ Perfect roll pin provision
✓ Substantial surface area to shift sleeve
✓ Maintains correct tolerances
Fits all 996T, 996 & 997 GT2 & GT3 including RS and synchromesh CUP
G96/50, G96/88, G96/90, G96/93, G96/96, G96/97, G97/88, G97/90, G97/92
Replaces part 996.303.111.51
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99630311151
996.303.111.51
99630311151
The product you are viewing cross references to these numbers
Price: €351.29
In stock
Vehicle Group
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Information
Currently spare parts are not yet available from your Porsche dealer for your 2005 and later model 987 Boxster S 6 speed transmission. We however are one of the few companies that can provide OEM spare parts.
2nd gear repair kit consisting of
- 2nd gear wheel, 41 tooth (20:41)
- 1st/2nd shift sleeve
- 2nd gear synchros (3 part)
987 2nd gear
987 1st/2nd shift sleeve
987 1st or 2nd synchros
987 3rd-6th synchros
987 3rd/4th shift sleeve
987 5th/6th shift sleeve
Fits all G87/20 transmissions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
01X311300
The product you are viewing cross references to these numbers
2nd gear repair kit consisting of
- 2nd gear wheel, 41 tooth (20:41)
- 1st/2nd shift sleeve
- 2nd gear synchros (3 part)
987 2nd gear
987 1st/2nd shift sleeve
987 1st or 2nd synchros
987 3rd-6th synchros
987 3rd/4th shift sleeve
987 5th/6th shift sleeve
Fits all G87/20 transmissions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
01X311300
01X311300
The product you are viewing cross references to these numbers
Price: €2,668.00
Orderable
Vehicle Group
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Information
Direct replacement for Porsche part 519.20.246 our 3rd/4th shift fork is an excellent reproduction made in house from 6061 T6 billet aluminium.
Our design features a replaceable steel threaded insert for the bolt in the event the threads should ever strip.
Fits all 356 transmissions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
51920246
The product you are viewing cross references to these numbers
Our design features a replaceable steel threaded insert for the bolt in the event the threads should ever strip.
Fits all 356 transmissions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
51920246
51920246
The product you are viewing cross references to these numbers
Price: €493.00
Orderable
Vehicle Group
- Porsche 356 1950-55
- Porsche 356A 1955-59
- Porsche 356B 1959-63
- Porsche 356C 1963-65
Information
Direct replacement for Porsche part 519.20.245 our 1st/2nd shift fork is an excellent reproduction made in house from 6061 T6 billet aluminium.
Our design features a replaceable steel threaded insert for the bolt in the event the threads should ever strip.
Fits all 356 transmissions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
51920245
The product you are viewing cross references to these numbers
Our design features a replaceable steel threaded insert for the bolt in the event the threads should ever strip.
Fits all 356 transmissions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
51920245
51920245
The product you are viewing cross references to these numbers
Price: €493.00
Orderable
Vehicle Group
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
Information
A great way to return oil back to your 968 transaxle and better lubricate your input shaft gears at the same time.
Comes with custom -8AN fitting, O ring and set screws.
Comes with custom -8AN fitting, O ring and set screws.
Price: €191.40
Orderable
Vehicle Group
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
Information
For those who wish to add strength to their 968 transaxle - we offer our billet aluminum side cover complete with ring gear thrust bolt, nut and washer. Uses factory hardware and seals.
For all Porsche 968 6 speed transmissions '92'-'95. (G44/00, 01E)
Our design features include:
A ring gear thrust bolt to reduce ring gear deflection under load
Cross drilled oil passageways for the differential bearing
Replaces part 01E.409.131A
Related reference numbers
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01E409131A
The product you are viewing cross references to these numbers
For all Porsche 968 6 speed transmissions '92'-'95. (G44/00, 01E)
Our design features include:
A ring gear thrust bolt to reduce ring gear deflection under load
Cross drilled oil passageways for the differential bearing
Replaces part 01E.409.131A
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
01E409131A
01E409131A
01E409131
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Price: €700.64
Orderable
Vehicle Group
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
Information
Billet shift fork is a suitable replacement for 016 311 575C but does not include the shift rod. The 5th/reverse shift fork is no longer available from the dealer.
Fits all Porsche 924/944 5 speed transaxles 80-91. 924, 924S, 944, 944S, 944S2, 944T
5Y, 5S, 5Z, 7V, 5P, UY, 9U, AGP, AGR, AOR, AOS, AOT, ASG, ASH, VX, VR, UV, MD, ME, MF, MB, MX
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
016311575C
The product you are viewing cross references to these numbers
Fits all Porsche 924/944 5 speed transaxles 80-91. 924, 924S, 944, 944S, 944S2, 944T
5Y, 5S, 5Z, 7V, 5P, UY, 9U, AGP, AGR, AOR, AOS, AOT, ASG, ASH, VX, VR, UV, MD, ME, MF, MB, MX
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
016311575C
016311575C
016311575
The product you are viewing cross references to these numbers
Price: €330.60
Orderable
Vehicle Group
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
Information
Billet shift fork is a suitable replacement for 016 311 561A.
Fits all Porsche 924/944 5 speed transaxles 80-91. 924, 924S, 944, 944S, 944S2, 944T
5Y, 5S, 5Z, 7V, 5P, UY, 9U, AGP, AGR, AOR, AOS, AOT, ASG, ASH, VX, VR, UV, MD, ME, MF, MB, MX
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
016311561A
The product you are viewing cross references to these numbers
Fits all Porsche 924/944 5 speed transaxles 80-91. 924, 924S, 944, 944S, 944S2, 944T
5Y, 5S, 5Z, 7V, 5P, UY, 9U, AGP, AGR, AOR, AOS, AOT, ASG, ASH, VX, VR, UV, MD, ME, MF, MB, MX
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
016311561A
016311561A
016311561
The product you are viewing cross references to these numbers
Price: €330.60
Orderable
Vehicle Group
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
Information
Billet shift fork is a suitable replacement for both 016 311 549A and 016 311 549C (currently NLA) as it does not include the shift rail and driver.
Fits all Porsche 924/944 5 speed transaxles 80-91. 924, 924S, 944, 944S, 944S2, 944T
5Y, 5S, 5Z, 7V, 5P, UY, 9U, AGP, AGR, AOR, AOS, AOT, ASG, ASH, VX, VR, UV, MD, ME, MF, MB, MX
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
016311549A
The product you are viewing cross references to these numbers
Fits all Porsche 924/944 5 speed transaxles 80-91. 924, 924S, 944, 944S, 944S2, 944T
5Y, 5S, 5Z, 7V, 5P, UY, 9U, AGP, AGR, AOR, AOS, AOT, ASG, ASH, VX, VR, UV, MD, ME, MF, MB, MX
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
016311549A
016311549A
016311549
The product you are viewing cross references to these numbers
Price: €330.60
Orderable
Vehicle Group
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
Information
Direct replacements for Porsche 997.1 6 speed manual. The plastic pads are a known issue on factory forks and even more so for a race box.
Ours are designed without.
G97.01, G97.31
Part Numbers
99730311100/1 1st/2nd
99730311300/1 3rd/4th
99730311500/1 5th/6th
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99730311500
The product you are viewing cross references to these numbers
Ours are designed without.
G97.01, G97.31
Part Numbers
99730311100/1 1st/2nd
99730311300/1 3rd/4th
99730311500/1 5th/6th
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99730311500
99730311500
99730311500
The product you are viewing cross references to these numbers
Price: €457.04
Orderable
Vehicle Group
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
Information
Direct replacements for Porsche 997.1 6 speed manual. The plastic pads are a known issue on factory forks and even more so for a race box.
Ours are designed without.
G97.01, G97.31
Part Numbers
99730311100/1 1st/2nd
99730311300/1 3rd/4th
99730311500/1 5th/6th
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99730311300
The product you are viewing cross references to these numbers
Ours are designed without.
G97.01, G97.31
Part Numbers
99730311100/1 1st/2nd
99730311300/1 3rd/4th
99730311500/1 5th/6th
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99730311300
99730311300
99730311300
The product you are viewing cross references to these numbers
Price: €457.04
Orderable
Vehicle Group
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
Information
Billet aluminium shift fork is a direct replacement for the fork on assembly part number 996.303.015.00
Fits all 996 C2/C4 6 speed transaxles G96.00, G96.01, G96.30
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99630301500
The product you are viewing cross references to these numbers
Fits all 996 C2/C4 6 speed transaxles G96.00, G96.01, G96.30
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99630301500
99630301500
99630301500
The product you are viewing cross references to these numbers
Price: €443.12
Orderable
Vehicle Group
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
Information
Billet aluminium shift fork is a direct replacement for the fork on assembly part number 996.303.013.00.
Fits all 996 C2/C4 6 speed transaxles G96.00, G96.01, G96.30
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99630301300
The product you are viewing cross references to these numbers
Fits all 996 C2/C4 6 speed transaxles G96.00, G96.01, G96.30
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99630301300
99630301300
99630301300
The product you are viewing cross references to these numbers
Price: €443.12
Orderable