For Oldsmobile OLDS V8 HEI Distributor 260 307 350 403 455 Engine 1968-1976 Fits 1968-76 V8's - 260, 307, 330, 350, 400, 403, 425, and 455 engines. Designed for Oldmobile v8's With Adjustable Vaccum Advance Has 50,000 volt coil ,to insure accurate and reliable timing to 7,500 RPM Fully CNC machined and polished housing