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Mallory Cap, High Energy 8-Cylinder Distributor, Screw Down

Upgrade for the 25 and 37 Series Distributors with clip on style socket cap, requires the use of PN 29316 Bolt Down Kit. Old style 32 and 42 Comp S/S Distributors are direct bolt on.

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This Super-Duty High Energy cap is an upgrade for the old traditional socket cap, PN 209M, It comes with screw down positive locking screws and has a higher impact resistance and much stronger dielectric strength than the original clip on cap. Delivers unrestricted spark energy flow, maximum energy transfer and better performance.


  • Screw-mounted spark plug wire retainer
  • Brass contact terminals with spark plug type ends for better wire retention
  • Positive locking screw-down distributor cap
  • Specially designed cap with a larger contact terminal diameter than the standard distributor cap
  • Thermoplastic materials for high dielectric strength and impact resistance qualities that prevent damage

About Mallory

Since 1925, Mallory has been a leading manufacturer of automotive ignition products. From the original Ford V8 to modern coil on plug applications, Mallory has been there for it all and will continue to be with ever-expanding ignition products, both new and old.

Brand Mallory
Distributor TypeAccessories
Emission Code5
Product TypeDistributor Cap
Part Number208M

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

***If replacing the old style socket clip on cap, PN 209M it will require additional hardware, PN 29316, Bolt Down Kit*** ***Will require changing the spark plug wires from Socket style to Tower style terminals and boots***

    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.