Tomei began operations in 1968 as a race car tuner in Japan. Over the last 40 years Japan has emerged as one of the leaders in automotive research, racing, and culture. Tomei products have been utilized in nearly every motor sport imaginable. Tomei’s racing heritage means their research and design team have first hand knowledge of the extreme demands racing puts on an engine. Using only the highest quality materials means that Tomei’s products can handle the intense strain and heat a purpose built engine will experience whether it be on the street or the track. Tomei’s attention to detail is second to none. All of their products are thoroughly researched and engineered to achieve optimal efficiency. Because of even miniscule differences in measurements can cause catastrophic engine failure, all Tomei products fall within strict tolerances. Tomei machines all of their engine components to enhance airflow and ensure proper fitment and seal.
** These cams are for NON NEO Engines ONLY! **
TOMEI 256/256 PonCams for R33 RB25DET. Please check your crank angle sensor (CAS) style to determine if you have Early or Late model. Early model is known to have a Star type CAS Gear while Late model is known to have a Slot type CAS Gear, then select model type above.
Refer to the pictures for cam specifications:
R34,WGNC34(3rd) NEO straight 6(exclude RB25DE)
* WGNC34: 1st;1996.10 - 2nd;1997.9 - 3rd;1998.8.31 - * ECR33: 1st;1993.8 - 2nd;1997.9 - (changed crank angle sensor) ●About types for NEOstaight6 - 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.
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