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Genuine MSD part.
In the world of modern engine design, it's hard to beat a hydraulic roller camshaft for all-around performance. It's crucial to match the distributor gear with the cam material to prevent premature failure of the cam or distributor gear which can lead to engine damage.
MSD performance ignition distributor, part number 857731, supplied new.
Key Features
Mechanical advance assembly can be locked out for crank trigger systems
Nylon pads ensure smooth operation of the advance weights
CNC Machined Billet Aluminum Housing and Billet Aluminum Base
Polished steel shaft is QPQ coated and guided by a sealed ball bearing
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
Fitment
Fits Big Block Ford V8 (429-460)
This part is built for the engine families named above rather than for one body style. Check your engine against that list before ordering.
Specifications
Brand: MSD
Manufacturer Part Number: 857731
Item Type: Electrical
Color: Black Anodized
Distributor Type: Magnetic Pickup
Gear Material: Steel Melonized QPQ Coated
Grade Type: Performance
Product Type: Distributor
Sub Category: Distributor and Magneto
Country of Manufacture: United States
Condition: New
Shipping Weight: 5.1 lb
Images are for illustrative purposes. The product you receive may differ in finish or packaging from the photograph.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
