whats the rubber called agian on prop ?

[redsxr800]

mine is gone need to buy one, where is cheap fast shipping and probably billet or better then rubber.
thanks russ

 

[ticega306]

not sure of the exact name either. Try riva, blowsion or impros

 

[stanton]

nose cone

 

[BombThreat]

my prop came with two, a stubby and another slightly longer... do they really have that much of a effect to need to adjust them?