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Home > Engine Parts\Cooling > Timing > Cam Shaft
NISSAN SR20DET Lash Type Cams
Part Number 826
NISSAN SR20DET Lash Type Cams
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Price
Retail Price:  $500.00
Your Savings:  $45.00
Your Price:   $475.00
On sale: 
$455.00
 On Sale
Choose Options and Quantity
Duration/Cam Lift
Duration/Cam Lift Exhaust
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Description
●Lash type
Duration
cam lift(mm)
IN/EX
Part No.
MSRP
Note1
Note2
256°
11.50
IN
143E256115
$260.00
PS13
Equal as
PONCAM
143G256115
S14,S15(NVCS対応)
EX
1439256115
PS13,S14,S15
260°
12.00
IN
1431260120
PS13
143G260120
S14,S15(NVCS対応)
EX
1432260120
PS13,S14,S15
270°
12.50
IN
1431270125
PS13
143G270125
S14,S15(NVCS対応)
EX
1432270125
PS13,S14,S15
In 4-cycle engine, rotation of camshaft that is driven by crankshaft through belt, gear, or chain operates intake and exhaust valves as the engine runs.
Developement target
 ●Securing effective area of the valve ●Reduce friction and noise　●Improve drivability ●Understanding characteristic difference among engine types　●Improve durability and strength　●Easier installation
 When opening intake valve, high acceleration G※1 is required for camshaft to send as much as mixture to the cylinder in shortest time. On the other hand, when it closing valve, valve seat and valve spring will be damaged if acceleration G is too high. Asymmetrical profile must be given to the camshaftﾕs intake and exhaust valve to fill the two contrary demands; secure wide duration and high lift but prevent valve system from shock and damage, at one time.
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 on the other hand. Also, wide cam duration will deriver big power at high RPM, but it gives rough engine character at low RPM too. We worked on 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 camshaft.
 
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Car Specific > Nissan > 240SX/S13/S14/S15/KA/SR20 > Engine Parts\Cooling  > Timing > Cam Shaft
Nissan > 240SX/S13/S14/S15/KA/SR20  > Engine Parts\Cooling  > Timing > Cam Shaft

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