Tomei Procam Camshafts 272 Intake Subaru EJ255 JDM / EJ257 04-07 USDM (TA301C-SB02B)

Camshafts and Gears

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Part #: TA301C-SB02B

TOMEI cams are among the buffest cams made in terms of HP gain and ease of install. Tomei offer many different degrees of cams for your selection * Pon-Cam only applies to 256/256 combo, anything bigger (pro-cam) is considered Pro-Cam which requires valve springs change.

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

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


  • Duration 272
  • Max Lift 11mm
  • Intake


Any returns for an exchange or refund will be allowed within 30 days from the receipt of your order and must be authorized prior to shipping with an RMA Number (Return Merchandise Authorization). To receive your return instructions and RMA# please use our online form under Returns and Exchanges! Once you receive your return instructions please ship out the item at your earliest convenience and provide the tracking number to your customer service rep. The customer will be responsible for all shipping fees. Before shipping your product back please make sure you package it up exactly how you received it and in all of its original packaging. All items must be in brand new and resalable condition. Once the item is received it will be inspected and a credit will be issued accordingly. All returns are subject to a 15% restocking fee. Any returns received without an RMA# will be charged a restocking fee and any shipping fees associated with the return. An item that does not ship directly from IIR's warehouse is considered a "special order" item and no returns will be authorized.

Tomei Procam Camshafts 272 Intake Subaru EJ255 JDM / EJ257 04-07 USDM (TA301C-SB02B)
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