All of the below measurements were taken at the cam, not at the valve. The duration figures at the valve are quite different from those taken at the cam because of the radius rocker arm.
ROCKER RATIO: NAP-Z=1.44:1 240SX=1.47:1 AVG.

BOTH OF THESE PERFORMANCE PROFILES WORK EXCEPTIONALLY WELL WITH THE STOCK FUEL INJECTION. WILDER PROFILES ARE AVAILABLE BUT ARE NOT PRACTICAL UNLESS MAJOR MODIFICATIONS ARE DONE TO THE ENGINE.
Amazon Basics Microfiber Cleaning Cloths, Ultra Absorbent, Lint Free, Streak Free, Non-Abrasive, Reusable and Washable, 16" x 12", Blue/White/Yellow, Pack of 24
19% OffMicrofiber 16 x 12-inch cleaning cloth (24-pack); ideal for cleaning cars, trucks, boats, and more Ultra-soft and non-abrasive car drying towels; will not scratch paints, vinyl, glass, finishes, or ot... read more
EPAuto CP134 (CF10134) Premium Cabin Air Filter includes Activated Carbon
$9.97 (as of June 15, 2025 00:00 GMT -07:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)Compatible with Acura CSX (2007-2011), ILX (2013-2022), MDX (2007-2020), RDX (2007-2018), RL (2005-2012), RLX (2014-2020), TL (2004-2014), TLX (2015-2020), TSX (2004-2014), ZDX (2010-2013) Compatible ... read more