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MAZDA NA8C CAMSHAFTS  

APPLICATION
DURATION (IN)
DURATION (EX)
LIFT (IN)
LIFT (EX)
PART NO.
MSRP (USD)
NA8C
252°
256°
9.2
9.5
143053
$980.00

APPLICATION
PART NO.
MSRP (USD)
IN Cam
1495252092
$490.00
EX Cam
1496256095
$490.00

FEATURES
■ Designed to optimise the true performance potential of the NA engine throughout the entire RPM range.
*
Instant Response: Quicker response from the engine with the touch of the throttle.
*
Flat Mid Range: Stable smooth mid range.
*
Rev Harder: Will rev much faster & rev to redline quicker than ever before.
■ Keep the stock car drivability feel & confort.
*
Stable idling: The idling is not affected and still feels like stock.
 
INSTALLATION NOTES
■ Complete Bolt on Product: Increased performance gains can be seen with just a camshaft upgrade.
*
Valve Springs: Compatible with stock valve springs.
*
Valve Timing: Not required as it has been already preset by TOMEI.
*
Head Work: Can be fitted as normal on stock head.
*
ECU Compatibility: You will see performance gains even on the stock ECU.
 

MAZDA NB8C (EARLY MODELS) CAMSHAFTS  

APPLICATION
DURATION (IN)
DURATION (EX)
LIFT (IN)
LIFT (EX)
PART NO.
MSRP (USD)
NB8C
252°
256°
10.0
10.0
143054
$1,640.00

APPLICATION
PART NO.
MSRP (USD)
IN CAM
1497252100
$490.00
EX CAM
1498256100
$490.00
LIFTER
16pc SET
163041
$530.00
LIFTER (each)
161091
$30.00
SHIM
(16pc Required)
1610202000~
1610203650
$11.00
(each)

* Different shim size options are available. Sizes ranging from 2.000~3.650mm at intervals of 0.05mm available.
FEATURES
■ Designed to optimise the true performance potential of the NA engine throughout the entire RPM range.
*
Superior Response: Amazing engine response with light throttle movements.
*
Stable Mid Range: More smooth mid range response.
*
Rev Harder: Will rev much faster & rev to redline quicker than ever before.
*
IN 252° EX 256°:High Performance Spec Cam Lift of 10.0mm
■ Keep the stock car drivability feel & comfort.
*
Stable idling: The idling is not affected and still feels like stock.
*
Unwanted noise: Precision design helped eliminate tappet noise.
 
INSTALLATION NOTES
■ The inner shim conversion is designed for the high cam lift conversion.
* Inner Shim Conversion: Stable for high cam lift conversion.
* Valve Springs: Compatible with stock valve springs.
* Valve Timing: Not required as it has been already preset by TOMEI.
* Head Work: Can be fitted as normal on stock head.
* ECU Compatibility: You will see performance gains even on the stock ECU.


SPECS  
DURATION
(deg)
MAX VALVE
LIFT
(mm)
IN/EX
MAX CAM
LIFT
(mm)
COLD VALVE
CLEARANCE
(mm)[±0.01]
VALVE TIMING
CENTERLINE
(Deg)
BASE CIRCLE
NOTES
252
9.20
IN
9.20
-
110
ø33.6
LASH TYPE
256
9.50
EX
9.50
-
ø34.2
252
9.80
IN
10.00
0.20
ø33
SOLID TYPE
256
9.75
EX
0.25
* Lash Type are for NA8C ('93 Aug- '98 Jan) Models.
* Solid Type are for NB8C ('98 Jan- '00 Jul) 1st Generation Models (Zenki).
 

 
MAZDA NB8C (LATE MODELS) CAMSHAFTS  

APPLICATION
DURATION (IN)
DURATION (EX)
LIFT (IN)
LIFT (EX)
PART NO.
MSRP (USD)
NB8C
252°
256°
10.8
10.0
143055
$1,900.00

APPLICATION
PART NO.
MSRP (USD)
IN CAM
1499252108
$750.00
EX CAM
1498256100
$490.00
LIFTER
16pc SET
163041
$530.00
LIFTER (each)
161091
$30.00
SHIM
(16pc Required)
$11.00
※ The Shims are available from 2.000 up to 3.650 at 0.05 mm increments. (Sold Seperately).

Performance Aspect
Developed for "the real N.A. performance feel".
VVT compatibility.:Variable Valve Timing performance enhanced.
Instant Response.:Immediate throttle response.
Improved Drivability.:Smoother response throughout all RMP range.
Higher RPM Limits.:Shoot straight to the "Red Line" without lag.
Compatible with standard settings.
Stable Idling.:Comfortable idling for daily street use.
Smooth Rhythm.:No tappet noises due to a unique design.
 
Installation
Complete with Inner Shim Kit & ready to go.
Inner Shim Conversion.: Stability & suitable for high lift.
Valve Springs?:Compatible with standard valve springs.
Adjustments to VVT?:Runs on standard valve timing settings.
Head adjustments?:Keep all head work factory standard.
Factory ECU?:Compatible with standard ECU .



The late model NB8C Performance output is Improved by changing the valve timing on the intake side.Thus improving mid RPM range.

SPECS  
DURATION
(deg)
MAX VALVE
LIFT
(mm)
IN/EX
MAX CAM
LIFT
(mm)
COLD VALVE
CLEARANCE
(mm)[±0.01]
VALVE TIMING
CENTERLINE
(Deg)
BASE CIRCLE
NOTES
252
10.60
IN
10.80
0.20
125
ø33
SOLID TYPE
256
9.75
EX
10.00
0.25
110
ø34
 
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