I came across a picture of a sweet G the other day online that has the Wilwood cross-drilled & slotted rotors w/ Brembo calipers. I'm wanting to know if anyone knows if the rotors are a direct swap without any mods? I've searched the forums but I haven't found an answer to it. These rotors look far better than the Brembo's, R1's, or any other ones I've seen. My car is a '04 model with the Brembo's.

Heres what I do know:

Front rotors:

LH - Part # 160-7789-BK
RH - Part # 160-7799 BK

The front Wilwood rotors are 13.06" dia in the front, 1.25" thickness & have a 12x8.75" bolt circle

Rear rotors:

LH - Part # 160-6835-BK
RH - Part # 160-6836-BK

The rear Wilwood rotors are 12.88" dia, 1.10" thickness & have a 12.8.75" bolt circle

I've tried to find the specs on the factory Brembo's (Diamater front & rear, thickness, etc) but haven't been able to find that either.

Obviously this guy got them to work, but I just want to know if anyone knows if there is modifications required, if so I don't want to do it. Wilwood could not tell me wether or not they would be a direct replacment.

Any help would be greatly appreciated!

Heres the car......

 

they look pretty good, good luck man...

 

Thanks, yea I thought they looks really good too, and I'm sure their alot nicer quality than these cross-drilled ones that sell on e-bay for $250 for all four.... These are $259 each for the front & $248 each for the rear

 

2pc or 1pc rotors?

 

Its a 2pc

 

hmm... any idea what they weigh? they don't look like they're other 2pc rotors, that's a great price for 2pc all around. if they're not directly made to be bolt-on factory replacements, then i'm sure you'll lose use of ur parking brake though.

 

They are 2 pc, but you have to buy the hat's as well.

The offset on the hats is .54, but I can specify a different offset if needed. I just have no clue if the .54 would work or if I would need a different offset.

The bolt pattern on the hat is 5x4.5

Why do you lose the parking brake? Is this with pretty much all big brake kits?

They weigh 12.3 lbs ea

 

ur parking brake is in the rear drum, a non-application specific rotor wont have a random parking brake drum built in. 95% of BBK will keep the factory parking brake.

 

Ok thanks

 

Does anyone know what the offset is on the factory brembo rotors?

 

BTW, the guy in the picture must have got some kind of bracket made to fit the front caliper to that rotor. the factory Brembo rotors are slightly smaller in the front than the back.

front: 12.76" x 1.18"
rear: 13.07" x .87"