Hot Cams Stage 2 Exhaust Camshaft #4166-2EX for Yamaha YZ 450 F 2010-2013
4165-2IN and 4166-2E when used as a set provide increased mid-top torque and horsepower. Produces more power than the OE 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.
Product Note:
Specification
Details
Exhaust Duration
254 degrees
Exhaust Lift
8.9 mm
Exhaust Lobe Center
102 degrees
Exhaust Valve Lash
0.15 mm
Position
Exhaust
Shim Kit
HCSHIM02
Vehicle Fitment
Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.
Yamaha
YZ450F 2010-2013
Customer Reviews
Top shelf
By Douglas S. on
Verified Purchaser
Me and my brother have been shopping with them for years.
Never had a problem. Part quality always top shelf...
Great camshaft
By KB on
Verified Purchaser
Great camshaft. Fits great! My son loves it.
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Questions & Answers
I will be able to run stock springs with this stage 2 cam on my 2017crf250r
By Anon.
Yes! As is noted in the item's description once you select the 2017 Honda CRF250R cam, you'll see they're suitable for use with OEM valve springs.
Does this fit the cylinder works big bore kit that you sell? Looking to put this stage 2 cam and the big bore kit on my 2019 crf150r
By Peyton
Yes, you can use this camshaft with the Cylinder Works Big Bore Kit for that 2019 CRF150R.
I bought a used rzr that wouldn't start. Valve lash is way too tight. Do tou have any markings on your cams to varify them?
By Egonzales
Yes, these cams are indeed marked to make installation easy.
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