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Moroso 73710 Ultra Unsleeved Spark Plug Wire Set Big Block Chevy HEI - 40 Black

Manufacturer

Picture for manufacturer Moroso

Part Number

73710
6 reviews
Sale Price

$109.10

In Stock (5)

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Usually delivered within 2 days

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Product Details

The Moroso 73710 Ultra 40 Unsleeved Spark Plug Wire Set is engineered specifically for Big Block Chevy engines with HEI distributors. This high-performance ignition wire set delivers superior spark energy and electromagnetic interference suppression for demanding street and racing applications.

Advanced Ultra 40 Technology:

  • 40 ohms of resistance per foot optimized for maximum spark energy transfer
  • Spiral-wound nickel/copper alloy conductor for superior electrical performance
  • Kevlar core provides exceptional dielectric strength and durability
  • 8.65mm diameter unsleeved construction for direct heat dissipation
  • Effective EMI/RFI suppression protects sensitive electronics

Construction Features:

  • Stainless nickel alloy wire wound at optimized ratio around heavy fiberglass core
  • Two-layer high-heat resistant EPDM outer jacket with nylon reinforcement
  • Silicone plug boots for high-heat protection and positive connections
  • Snap-lock terminals ensure secure, vibration-resistant connections
  • Black wire finish for clean, professional appearance

Application:

  • Designed for Big Block Chevy V8 engines
  • HEI distributor compatible
  • Custom-fit wire lengths for proper routing
  • Made in USA at Moroso Wire Technologies

Moroso's Ultra 40 wires provide the ideal balance of performance, durability, and electromagnetic compatibility for high-performance Big Block Chevy engines. The unsleeved design offers excellent heat resistance while maintaining flexibility for easier installation and routing.

Products specifications

Overall Diameter

8.65mm

Great price and nice shipping discount coupon

Very quick. Liked that it linked to Amazon. I originally ordered from Amazon who shipped me a front bearing assembly instead of the rear so having to re-order from you. Correct item received this time. Thank you!

Great Products, Very Cheap, Fast Shipping. Will be a returning Customer. A+++

First time buyer from Autoplicity and found the website easy to navigate and find what I wanted quickly. They had the best price of all the other sites I checked, including shipping.

Needed a pair of brake pads all the way around for my car, Autoplicity had the exact parts in stock and also the best price. Shipped same day. Very Pleased. Order # 19227

Excellent customer service. Treated me very well. Issued a refund, no problem. Thank you!!

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