Introduction Sourced factory-direct, this custom ledger plate spring for MOLINS MK8/MK9 is made from spring steel with an anti-rust finish for reliable, long-term tension. Available in custom sizes, it is a direct, economical replacement that installs without modification. Basic Info. Product name Ledger Plate Spring Model UB-LPS-700 Material Spring steel Surface Anti-rust treated Size OEM standard, customized available Compatible Models MK8, MK9 Application Ledger feed