Rotor Delco EST V8 | Volvo 3862014 Delco EST V8 Rotor | Volvo 3862014 Large style Delco HEI rotor with air vanes fits various Volvo Penta GM V8 marine engines with Delco EST distributors. Large design V8 Delco Rotor fits HEI EST module in cap marine distributors Cooling vanes on bottom of rotor helps dissipate heat and moisture Volvo Penta