Sierra International 18-5273 Tune Up Kit Contains 18-5431 Rotor Assembly, V8 and 18-5395 Distributor Cap Use with 18-5710 Voltage Regulator Interchangeable with the following: GLM 71780, Mallory 9-29350, Mercury 805759T3, 805759Q3 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, call Sierra's Tech Support at 1-877-663-8396