Curtis Sparks X4 race camshaft

[PaperChazerz]

Ok.... money doesnt is not a matter.... But is $350 worth on spending on a cam? Does this one give the 450r bettern power increase? 99.7% of the time i will be drag racing the R. I was wondering if this cam would something to invest my money in? thanks for the help..
SEMA

[mikes450r]

i talked to them last week about that cam..they said it was a pretty big difference on top end..low to mid on that cam is about the same as there regular cam.

[easman31]

Oh yeah, It will work for drag racing. Call them for more tips. 661-872-4343

[mikes450r]

thats also the cam that sparks uses in his race bikes

[dunebuggie66]

from what i understand if you use that cam you need their high compression piston as well.

[PaperChazerz]

Originally posted by dunebuggie66
from what i understand if you use that cam you need their high compression piston as well.


But im getting a 13.8:1 piston.... I that high enough?
SEMA

[dunebuggie66]

yep that will do it. just make sure you run race gas too!

[PaperChazerz]

ok...I was thinking of 110. but some people told me if i get a high compression piston that i need a better rod
SEMA

[trost66]

You have to get the titaniun intake valve set to use the x4 cam

[trost66]

At least that is what they told me yesterday. They said you would gain about a 1 pr 2 horse on top end