AP Racing disc brake bolt pack. AP have recently changed the cap headed bolts historically used for mounting discs to bells to a 6 lobe bolt (pictured) with an improved low friction coating. The change over process is nearing completion and virtually all of AP's related products are now being delivered with the new 6 lobe bolt head design. 0.25" x 0.875" (12 bolt kit)
This kit contains 12 each: CP3845-100 Bolts, CP2494-117 Nuts and CP2494-1305 Washers.
The new 6 lobe bolt offers the following advantages over the original cap head style:
More consistent clamping loads
Better corrosion resistance
Lighter with better airflow
Less prone to head damage