Pro-Billet DistributorHolden 253-308-304, Magnetic Trigger, Mechanical Advance, CNC Machined HousingBrand: MSDPart Number: MSD8589Description:
- CNC machined billet aluminium housing and billet aluminium.
- Easy to adjust mechanical advance withsupplied springs and stop bushings.
- Maintenance-free magnetic pickup and precision reluctor create stable trigger signals throughout the rpm range.
- Polished steel shaft is QPQ coated and guided by two sealed ball bearings.
- Advance plate and weights are fine blanked from chrome moly steeland QPQ coated for friction reduction.
- Mechanicaladvance assembly can be lockedout for crank trigger systems.
- Advance weight pins are staked and tigwelded to the plate.
- Nylon pads ensure smooth operation of theadvance weights.
- Supplied withHEI style distributor cap and rotor.
- Must be used with an MSD 6, 7, 8 or 10 Ignition Control.
- Doesnot accept a vacuum advance.
- Will not fit Tunnel Ram or EFI manifolds.
For accurate timing, a high outputmagnetic pick-up is used that plugs directly into your MSD Ignition Control. There is an easy-to-adjust mechanical advance mounted on top of eachdistributor and is easily tuned with an assortment of supplied advance stop bushingsand advance springs.