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Tomei Pro Cam + Adjustable Pulley - RB20/RB25
Tomei

TOMEI cams are among the highest quality cams made in terms of HP gain and ease of install.

TOMEI cams are among the highest quality cams made in terms of HP gain and ease of install.

Tomei offer many different degrees of cams for your selection, please contact us if your selection is not listed below.

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

Product Version Vehicle Compatibility Price Order
153027 + 1411260088 + 1412260088
RB20/25DET - Lash Type - 260 deg - 8.5mm Lift - IN & EX + Cam Pulleys
RB25DET
RB20DET
USD $ 735.31
USD $ 884.21
Vehicle Compatibility
RB25DET
RB20DET
153027 + 1418270102 + 1417270102
RB20/25DET - Solid Type - 270 deg - 10.25mm Lift - IN & EX + Cam Pulleys
RB25DET
RB20DET
USD $ 735.31
USD $ 884.21
Vehicle Compatibility
RB25DET
RB20DET
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Reviews Reviews

12th May 2013

Would these cams give any gain on an rb25de? Running an apexi power fc and tomei valve springs.

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Nengun Performance
NENGUN CO. LTD
4798-455 Imazu
Nishi-ku, Fukuoka
Japan, 819-0165

Kobutsuho No.
901080810037