AP Racing have changed the cap headed bolts historically used for mounting discs to bells to an E8 – 6 Lobe bolt with an improved low friction coating. The 6 lobe bolt offers the following advantages over a cap head; More consistent clamping loads, lighter, better corrosion resistance, less prone to damage and improved airflow. Supplied as a kit of 12 bolts, nuts and washers and available in three different lengths to suit various applications.
Bolts - CP3845-100 0.25" UNF x 0.875" - (22.22mm long / plain section 9.5mm / full thread 12.7mm)
Bolts - CP3845-101 0.25" UNF x 1.00" - (25.4mm long / plain section 12.7mm / full thread 12.7mm)