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The Chevrolet housing has several racing features that racers will appreciate. At the base of the CNC machined housing there are two O-ring grooves. These seals prevent oil in the lifter gallery from leaking through the oil passage. If the engine deck, heads or intake have been modified, there is an adjustable slip collar which allows you to set the correct installation depth.
Features:
Must be used with an MSD 6, 7, or 8-Series Ignition
Adjustable slip collar mounting flange for engines with modified deck heights
Mechanical advance assembly can be locked out for crank trigger systems
O-ring seals can be installed for oil pressure control (modified blocks only)
Special oil tract improves lubrication to the distributor and cam gear
0.500" steel shaft is QPQ coated and guided by a sealed ball bearing and an extra long sintered bushing
CNC machined billet aluminum housing and billet aluminum base
Advance weight pins are staked and tig welded to the plate
Nylon pads ensure smooth operation of the advance weights
Advance plate and weights are fine blanked from chrome moly steel and QPQ coated for friction reduction
Easy-to-adjust mechanical advance with supplied springs and stop bushings
Dual magnetic pickups are placed 180 degrees apart to provide a complete redundant ignition system for racing applications
For racing, must be used with an MSD 6, 7 or 8-series ignition.
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