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Tomei Poncam Camshafts

Tomei Poncam shafts enable greater tuning for high performance of your Japanese vehicle.

Tomei presents the popular poncams. Generally, engine tuning is to modify the torque characteristic of engine by changing cam duration timing and height of the cam lift, so as to gaining maximum torque and horse power. However, when tuning the engine strictly, it should be carried out with the idea of securing effective area of the valve not only by duration timing and height of the cam lift, but also by through improvement of its intake efficiency.

High valve lift allows huge amount of air to flow in, yet it mechanically damages the system and gains friction loss. Also, wide cam duration will deriver great power at high RPM, but it gives rough engine character at low RPM too. Tomei have worked to get an ideal well-balanced profile of camshaft and succeeded to give it 1.3 to 1.5 times more effective area than regular camshafts

Features

Tomei have been developing and producing their original camshafst ever since TOMEI established. Still today, they are providing high performance camshaft to many racing teams and winning lots of titles.

Type A
In order to get stable idle and raise low-mid RPM torque, we set the duration of EX camshaft shorter.
Best suit used with stock turbine or N1 turbine.

Type B
By giving longer duration timing than type a, it eables to raise both response and peak power at the same time, even with mid-large sized turbine.

Vehicle Product Type IN Duration EX Duration IN Lift EX Lift   Price Order
180SX - RS13
SR20DE
143040
Type N 260deg 260deg 11.20mm 11.20mm
USD $ 354.84
USD $ 418.94
180SX - RS13
SR20DET
143043
Type R 256deg 256deg 11.50mm 11.50mm
USD $ 354.84
USD $ 418.94
Primera - P10
SR20DE
143041
Type N 260deg 260deg 11.20mm 11.20mm
USD $ 354.84
USD $ 418.94
Primera - P11
SR20DE
143039
Type N 260deg 260deg 11.20mm 11.20mm
USD $ 354.84
USD $ 418.94
Silvia - S13
SR20DE
143040
Type N 260deg 260deg 11.20mm 11.20mm
USD $ 354.84
USD $ 418.94
Silvia - S13
SR20DET
143043
Type R 256deg 256deg 11.50mm 11.50mm
USD $ 354.84
USD $ 418.94
Silvia - S14
SR20DE
143042
Type N 260deg 260deg 11.20mm 11.20mm
USD $ 354.84
USD $ 418.94
Silvia - S14
SR20DET
143044
Type R 256deg 256deg 11.50mm 11.50mm
USD $ 354.84
USD $ 418.94
Silvia - S15
SR20DE
143042
Type N 260deg 260deg 11.20mm 11.20mm
USD $ 354.84
USD $ 418.94
Silvia - S15
SR20DET
143044
Type R 256deg 256deg 11.50mm 11.50mm
USD $ 354.84
USD $ 418.94
Skyline - R33 GTS-t - ECR33
Aug-1993 to Sep-1997
143020
- 256deg 256deg 8.50mm 8.50mm
USD $ 467.74
USD $ 552.23
Skyline - R33 GTS-t - ECR33
Sep-1997+ (CAS change)
143050
- 256deg 256deg 8.50mm 8.50mm
USD $ 467.74
USD $ 552.23
Skyline - R34 25GTT - ER34
143046
Type A 252deg 252deg 9.15mm 9.15mm
USD $ 467.74
USD $ 552.23
Skyline - R34 25GTT - ER34
143023
Type B 260deg 260deg 9.15mm 9.15mm
USD $ 467.74
USD $ 552.23
Skyline GT-R - BCNR33
143036
Type A 260deg 252deg 9.15mm 9.15mm
USD $ 467.74
USD $ 552.23
Skyline GT-R - BCNR33
143005
Type B 260deg 260deg 9.15mm 9.15mm
USD $ 467.74
USD $ 552.23
Skyline GT-R - BNR32
143036
Type A 260deg 252deg 9.15mm 9.15mm
USD $ 467.74
USD $ 552.23
Skyline GT-R - BNR32
143005
Type B 260deg 260deg 9.15mm 9.15mm
USD $ 467.74
USD $ 552.23
Skyline GT-R - BNR34
143037
Type A 260deg 252deg 9.15mm 9.15mm
USD $ 467.74
USD $ 552.23
Skyline GT-R - BNR34
143018
Type B 260deg 260deg 9.15mm 9.15mm
USD $ 467.74
USD $ 552.23
RB20DET
143019
- 256deg 256deg 8.50mm 8.50mm
USD $ 467.74
USD $ 552.23
Product   Order
180SX - RS13
SR20DE
Type: Type N
IN Duration: 260deg
EX Duration: 260deg
IN Lift: 11.20mm
EX Lift: 11.20mm
143040
USD $ 354.84
USD $ 418.94
180SX - RS13
SR20DET
Type: Type R
IN Duration: 256deg
EX Duration: 256deg
IN Lift: 11.50mm
EX Lift: 11.50mm
143043
USD $ 354.84
USD $ 418.94
Primera - P10
SR20DE
Type: Type N
IN Duration: 260deg
EX Duration: 260deg
IN Lift: 11.20mm
EX Lift: 11.20mm
143041
USD $ 354.84
USD $ 418.94
Primera - P11
SR20DE
Type: Type N
IN Duration: 260deg
EX Duration: 260deg
IN Lift: 11.20mm
EX Lift: 11.20mm
143039
USD $ 354.84
USD $ 418.94
Silvia - S13
SR20DE
Type: Type N
IN Duration: 260deg
EX Duration: 260deg
IN Lift: 11.20mm
EX Lift: 11.20mm
143040
USD $ 354.84
USD $ 418.94
Silvia - S13
SR20DET
Type: Type R
IN Duration: 256deg
EX Duration: 256deg
IN Lift: 11.50mm
EX Lift: 11.50mm
143043
USD $ 354.84
USD $ 418.94
Silvia - S14
SR20DE
Type: Type N
IN Duration: 260deg
EX Duration: 260deg
IN Lift: 11.20mm
EX Lift: 11.20mm
143042
USD $ 354.84
USD $ 418.94
Silvia - S14
SR20DET
Type: Type R
IN Duration: 256deg
EX Duration: 256deg
IN Lift: 11.50mm
EX Lift: 11.50mm
143044
USD $ 354.84
USD $ 418.94
Silvia - S15
SR20DE
Type: Type N
IN Duration: 260deg
EX Duration: 260deg
IN Lift: 11.20mm
EX Lift: 11.20mm
143042
USD $ 354.84
USD $ 418.94
Silvia - S15
SR20DET
Type: Type R
IN Duration: 256deg
EX Duration: 256deg
IN Lift: 11.50mm
EX Lift: 11.50mm
143044
USD $ 354.84
USD $ 418.94
Skyline - R33 GTS-t - ECR33
Aug-1993 to Sep-1997
Type: -
IN Duration: 256deg
EX Duration: 256deg
IN Lift: 8.50mm
EX Lift: 8.50mm
143020
USD $ 467.74
USD $ 552.23
Skyline - R33 GTS-t - ECR33
Sep-1997+ (CAS change)
Type: -
IN Duration: 256deg
EX Duration: 256deg
IN Lift: 8.50mm
EX Lift: 8.50mm
143050
USD $ 467.74
USD $ 552.23
Skyline - R34 25GTT - ER34
Type: Type A
IN Duration: 252deg
EX Duration: 252deg
IN Lift: 9.15mm
EX Lift: 9.15mm
143046
USD $ 467.74
USD $ 552.23
Skyline - R34 25GTT - ER34
Type: Type B
IN Duration: 260deg
EX Duration: 260deg
IN Lift: 9.15mm
EX Lift: 9.15mm
143023
USD $ 467.74
USD $ 552.23
Skyline GT-R - BCNR33
Type: Type A
IN Duration: 260deg
EX Duration: 252deg
IN Lift: 9.15mm
EX Lift: 9.15mm
143036
USD $ 467.74
USD $ 552.23
Skyline GT-R - BCNR33
Type: Type B
IN Duration: 260deg
EX Duration: 260deg
IN Lift: 9.15mm
EX Lift: 9.15mm
143005
USD $ 467.74
USD $ 552.23
Skyline GT-R - BNR32
Type: Type A
IN Duration: 260deg
EX Duration: 252deg
IN Lift: 9.15mm
EX Lift: 9.15mm
143036
USD $ 467.74
USD $ 552.23
Skyline GT-R - BNR32
Type: Type B
IN Duration: 260deg
EX Duration: 260deg
IN Lift: 9.15mm
EX Lift: 9.15mm
143005
USD $ 467.74
USD $ 552.23
Skyline GT-R - BNR34
Type: Type A
IN Duration: 260deg
EX Duration: 252deg
IN Lift: 9.15mm
EX Lift: 9.15mm
143037
USD $ 467.74
USD $ 552.23
Skyline GT-R - BNR34
Type: Type B
IN Duration: 260deg
EX Duration: 260deg
IN Lift: 9.15mm
EX Lift: 9.15mm
143018
USD $ 467.74
USD $ 552.23
RB20DET
Type: -
IN Duration: 256deg
EX Duration: 256deg
IN Lift: 8.50mm
EX Lift: 8.50mm
143019
USD $ 467.74
USD $ 552.23

Vehicle Product Type IN Duration EX Duration IN Lift EX Lift Price Order
Sprinter - AE111
143073
- 264deg 256deg 9.00mm 9.00mm
USD $ 548.38
USD $ 647.45
4A-G(Z)E
143056
- 264deg 264deg 8.15mm 8.15mm
USD $ 467.74
USD $ 552.23
4A-GE
143056
- 264deg 264deg 8.15mm 8.15mm
USD $ 467.74
USD $ 552.23
Product Order
Sprinter - AE111
Type: -
IN Duration: 264deg
EX Duration: 256deg
IN Lift: 9.00mm
EX Lift: 9.00mm
143073
USD $ 548.38
USD $ 647.45
4A-G(Z)E
Type: -
IN Duration: 264deg
EX Duration: 264deg
IN Lift: 8.15mm
EX Lift: 8.15mm
143056
USD $ 467.74
USD $ 552.23
4A-GE
Type: -
IN Duration: 264deg
EX Duration: 264deg
IN Lift: 8.15mm
EX Lift: 8.15mm
143056
USD $ 467.74
USD $ 552.23

Vehicle Product Type IN Duration EX Duration IN Lift EX Lift Price Order
Lancer Evolution - CD9A
143032
- 260deg 260deg 10.70mm 10.20mm
USD $ 467.74
USD $ 552.23
Lancer Evolution II - CE9A
143032
- 260deg 260deg 10.70mm 10.20mm
USD $ 467.74
USD $ 552.23
Lancer Evolution III - CE9A
143032
- 260deg 260deg 10.70mm 10.20mm
USD $ 467.74
USD $ 552.23
Lancer Evolution IV - CN9A
143033
- 260deg 260deg 10.70mm 10.20mm
USD $ 467.74
USD $ 552.23
Lancer Evolution IX - CT9A
Type R
143068
270deg 270deg 10.7mm 10.2mm
USD $ 629.03
USD $ 742.66
Lancer Evolution VI - CP9A
143033
- 260deg 260deg 10.70mm 10.20mm
USD $ 467.74
USD $ 552.23
Lancer Evolution VI - CP9A
143066
- 270deg 270deg 10.70mm 10.20mm
USD $ 467.74
USD $ 552.23
Lancer Evolution VII - CT9A
143038
- 260deg 260deg 10.70mm 10.20mm
USD $ 467.74
USD $ 552.23
Product Order
Lancer Evolution - CD9A
Type: -
IN Duration: 260deg
EX Duration: 260deg
IN Lift: 10.70mm
EX Lift: 10.20mm
143032
USD $ 467.74
USD $ 552.23
Lancer Evolution II - CE9A
Type: -
IN Duration: 260deg
EX Duration: 260deg
IN Lift: 10.70mm
EX Lift: 10.20mm
143032
USD $ 467.74
USD $ 552.23
Lancer Evolution III - CE9A
Type: -
IN Duration: 260deg
EX Duration: 260deg
IN Lift: 10.70mm
EX Lift: 10.20mm
143032
USD $ 467.74
USD $ 552.23
Lancer Evolution IV - CN9A
Type: -
IN Duration: 260deg
EX Duration: 260deg
IN Lift: 10.70mm
EX Lift: 10.20mm
143033
USD $ 467.74
USD $ 552.23
Lancer Evolution IX - CT9A
Type R
IN Duration: 270deg
EX Duration: 270deg
IN Lift: 10.7mm
EX Lift: 10.2mm
143068
USD $ 629.03
USD $ 742.66
Lancer Evolution VI - CP9A
Type: -
IN Duration: 260deg
EX Duration: 260deg
IN Lift: 10.70mm
EX Lift: 10.20mm
143033
USD $ 467.74
USD $ 552.23
Lancer Evolution VI - CP9A
Type: -
IN Duration: 270deg
EX Duration: 270deg
IN Lift: 10.70mm
EX Lift: 10.20mm
143066
USD $ 467.74
USD $ 552.23
Lancer Evolution VII - CT9A
Type: -
IN Duration: 260deg
EX Duration: 260deg
IN Lift: 10.70mm
EX Lift: 10.20mm
143038
USD $ 467.74
USD $ 552.23

Vehicle Product Type IN Duration EX Duration IN Lift EX Lift Price Order
Roadster - NB8C
143054
- 252deg 256deg 10.0mm 10.0mm
USD $ 1,048.39
USD $ 1,237.77
Product Order
Roadster - NB8C
Type: -
IN Duration: 252deg
EX Duration: 256deg
IN Lift: 10.0mm
EX Lift: 10.0mm
143054
USD $ 1,048.39
USD $ 1,237.77

Vehicle Product Type IN Duration EX Duration IN Lift EX Lift Price Order
Impreza WRX STI - GDB
143060
- 250deg 256deg 9.60mm 9.80mm
USD $ 887.10
USD $ 1,047.34
Impreza WRX STI - GRB
143070
- 260deg 256deg 9.80mm 10.80mm
USD $ 1,112.90
USD $ 1,313.94
EJ25T
143062
- 252deg 252deg 10.3mm 10.3mm
USD $ 887.10
USD $ 1,047.34
Product Order
Impreza WRX STI - GDB
Type: -
IN Duration: 250deg
EX Duration: 256deg
IN Lift: 9.60mm
EX Lift: 9.80mm
143060
USD $ 887.10
USD $ 1,047.34
Impreza WRX STI - GRB
Type: -
IN Duration: 260deg
EX Duration: 256deg
IN Lift: 9.80mm
EX Lift: 10.80mm
143070
USD $ 1,112.90
USD $ 1,313.94
EJ25T
Type: -
IN Duration: 252deg
EX Duration: 252deg
IN Lift: 10.3mm
EX Lift: 10.3mm
143062
USD $ 887.10
USD $ 1,047.34

Vehicle Product Type IN Duration EX Duration IN Lift EX Lift Price Order
Silvia - S13
CA18DET
143025
- 256deg 256deg 8.50mm 8.50mm DISCONTINUED
This part is no longer available
Product Order
Silvia - S13
CA18DET
Type: -
IN Duration: 256deg
EX Duration: 256deg
IN Lift: 8.50mm
EX Lift: 8.50mm
143025
DISCONTINUED
This part is no longer available
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