Free shipping on all orders - Details

Mallory PSW Ceramic Straight Univ. Wires

Ceramic boot, performance spark plug wires capable of withstanding up to 2000°F temperatures at the spark plug.

Part # 938C Be the first to write a review
In Stock
Free Shipping
Holley Days Price
Suggested Retail
Add to Wish List
Create a new list
Burning spark plug boots in high heat applications is a thing of the past with Mallory's high temp ceramic boot spark plug wires. The ceramic boot is capable of withstanding temps up to 2,000°F making them ideal for applications with close tolerance headers and any other application where boot failure is an issue.


  • Ceramic Plug Boots withstand temperatures up to 2000°F
  • 8mm red silicon jacket withstands temperatures up to 550°F
  • Available in 90°, 135° and Straight plug boot applications
  • Spiral round NiCR Alloy core provides low resistance and high noise suppression
  • Universal sets come with HEI type and socket type distributor ends
  • Custom build to specific lengths for neat, clean installation and routing

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.

Boot MaterialCeramic
Boot Temp Rating2,000°F
Brand Mallory
CoreNiCR Alloy
Emission Code5
Product TypeSpark Plug Wire
Resistance240-360 Ohms per ft.
Spark Plug Boot AngleStraight
Wire Diameter8mm
Part Number938C

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.

1. Ceramic sparkplug boot end comes preassembled on wires. 2. Distributor end requires installation.

    Your Review

    *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.

     X  Holleydays Free Shipping
     X  Holleydays Free Shipping