ARP Derby Cover Bolt Kit for Twin Cam Chemicals & Fluids Extended coil suspension length has

Extended coil suspension length has a larger “sweet spot” without increasing the overall shock length

Utilize standard pushrod seat height

Triple-gasket sealing process prevents leakage

48 cm) wide

they've developed high quality

ARP Derby Cover Bolt Kit for Twin Cam Chemicals & Fluids Extended coil suspension length hasFits all years and models of Twin Cam. (Bolt heads may not fit with CVO and some bagger model derby covers. Heads will need to be machined down to fit in recess) Whats Included (5) ARP 12 Point Bolts Upgrade your factory hardware with ARP 12 point bolts engineered for Harley Davidson M8, Touring, Dyna, and Softail models. These high quality fasteners are manufactured to Imzz Elites exact specifications and designed to replace low grade OEM bolts that