Sierra International 18-5239 Ignitor Electronic Ignition Conversion Kit for Prestolite IDU-7801 Distributors Replaces Points and Condensers for True Solid State Ignition; Fits: Prestolite IDU-7801 Distributors Uses standard coil, cap and rotor AND Easy to install, one-piece, 2-wire hook-up Accurate to within 1/4 Degree timing accuracy 0 to 6000 RPM range All Sierra parts qualify for and are covered under Sierra's Industry Leading Customer Satisfaction Warranty Before Ordering, Please Verify this is the Correct Part for your Application. For Assistance, Please Call Sierra's Tech Support at 1-877-663-8396 Before Ordering, Please Verify this is the Correct Part for your Application. For Assistance, Please Call Sierra's Tech Support at 1-877-663-8396