Pro-Billet Tach Drive DistributorSmall/Big Chevy, Magnetic Trigger, Vacuum Advance, Compact Tach Drive AssemblyBrand: MSDPart Number: MSD8572Description:
- CNC machined billet aluminium housing and billet aluminium base
- Maintenance free magnetic pick-up and precision reluctor create stable trigger signals throughout the rpm range.
- Easy to adjust mechanical advance with supplied springs and stop bushings.
- Polished steel shaft is QPQ coated and guided by a sealed ball bearing and extra long sintered bushing.
- Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction.
- Advance weight pins are staked and tig welded to the plate.
- Nylon pads ensure smooth operation of the advance weights.
- Mechanical advance assembly can be locked out for crank trigger systems.
- Special oil tract improves lubrication to the distributor and cam gear.
- O-ring seals can be added to modified blocks to improve oil pressure control
- Must be used with D 6, 7, 8, or 10 Series Ignition
- Supplied with an HEI style distributor cap and rotor (accepts Cap-A-Dapts)
Corvette owners can now replace their worn out Magna-Pulse distributors with this precision Pro-Billet Tach Drive Distributor. Advantages such as an accurate magnetic pick-up, oversized shaft, vacuum advance and a billet aluminium housing are just a few of the MSD advantages. Inside the billet housing, a sealed ball bearing and long sintered bushing guide a 0.500" steel shaft for high rpm accuracy. A special reluctor is mounted to this shaft and is responsible for triggering the magnetic pick-up. An adjustable mechanical advance assembly allows you to get the most performance out of your Vette's engine by custom tailoring a timing curve to fit your application. The tach drive assembly is compact to clear the firewall and linkage. It can be repositioned easily to fit different applications plus has a grease fitting for lubrication.
