Help deciding between 2 brake setups

[jtwoods4]

Guys,

I am new to the performance front disc brake market. I want to replace my stock front disc brakes with a set of high performance Wilwoods. I have 17 inch wheels and the 2 options the wilwood website gives me are below. Not really sure what the pros and cons are of each setup. It looks like one setup is a 2 piece rotor and one is a 1 piece rotor, not sure. I am looking to set the car up for autocross and road race, street legal category of course.


(Hub) Forged Narrow Superlite 6R Big Brake Front Brake Kithttp://wilwood.com/BrakeKits/BrakeKitsProdFront.aspx?itemno=140-9803&year=1969&make=Pontiac&model=GTO&option=Disc+Brake+Spindle (http://wilwood.com/BrakeKits/BrakeKitsProdFront.aspx?itemno=140-9803&year=1969&make=Pontiac&model=GTO&option=Disc+Brake+Spindle)
　
(Hub and 1PC Rotor) Forged Narrow Superlite 6R Big Brake Front Brake Kithttp://wilwood.com/BrakeKits/BrakeKitsProdFront.aspx?itemno=140-12271&year=1969&make=Pontiac&model=GTO&option=Disc+Brake+Spindle (http://wilwood.com/BrakeKits/BrakeKitsProdFront.aspx?itemno=140-12271&year=1969&make=Pontiac&model=GTO&option=Disc+Brake+Spindle)

-JW

[Apogee]

Well, you already noted the primary difference between those two kits as the rotors. A two-piece rotor will be the lighter and slightly higher performance option of the two, but more expensive up front. The 1-piece rotor kit is heavier, but costs about $400 less. Either should work very well for your application, so which fits your budget better? Also, if you haven't already, you should confirm that your application can accommodate the +3/8" increase in track width per side associated with those kits.

Tobin
KORE3