Progressive Suspension 412 Chrome 11-1/2" Heavy Duty Shocks 412-4230C Precision double-walled, steel bodies to protect the inner cylinder and provide consistent damping Choose the length you want (11.0 in to 13.5 in) to suit your handling requirements or for a lowered custom look Spring pre-loaded can be adjusted easily with 5-position cam Precision ground, hard chromed steel shaft for strength and durability