HEI Distributor for Oldsmobile Rocket V8 455 Engine with Vacuum Advance Pack of 2 K558

This is a new HEI distributor for V8 Oldsmobiles. Fits 260, 307, 330, 350, 400, 403, 425, and 455 engines. This is a new distributor, not a second or blem. Pefect for upgrading non-computer controlled engines. Under the cap is a 50,000 volt coil and built in performance module to ensure accurate and reliable timing to 7,000 RPM. True spark alignment for instant throttle response. Comes with adjustable vacuum advance andpremium cap with brass terminals. 4340 Chromoly gear will work with cast or billet cams. Standard GM HEI caps, rotors, etc. will interchange. Cap is about 5.5" in diameter so clearance check recommended. Will require plug wires with HEI style ends for male cap posts. A second connection is also under the coil cover for electronic tach hook-up