Part No. 56-C331.EX.STG2 (oro2u.com) YAMAHA YZF450 YZ450F 2010 - 2013,,, Hot Cams Stage 2 Cam - 41662EX, 4166-2EX, Extract maximum performance from your engine Hot Cams provide increased intake and exhaust duration for improved breathability and more horsepower
Provides significantly more mid-range punch and top-end speed for most models Core trade-in not required so you can keep the original camshaft Compatible with most models stock valve springs and rockers Adjustable cam sprockets come with some models Cam Description: Exhaust. Provide increased mid-top torque and horsepower. Produces more power than the OEM cams from
6000 rpm and up with a slight loss at lower rpm. Produces more power than the stage 1 set from 8000 rpm and up. Performance will be further improved with improvements to intake and exhaust efficiency and FI remapping. Supplied with decompression mechanism.