They're for use with solid 260mm disks, though you can get spacers inexpensively from hisec if you want to run vented disks.
Most importantly they are sierra fitment, so if your car uses sierra front uprights then they'll bolt straight on
So much lighter than standard calipers with hugely improved stoping power.
Just the ticket

Link


hispec sierra calipers

And they're also lighter than the equivalent Wilwoods........

Phil

i didnt know that they were lighter than the willwood's

you do now!

Hellfire has just said so!

regards john