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MSD Ignition 31489 Custom Spark Plug Wire Set

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New  $199.95
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Product details

Management number 205977122 Release Date 2025/10/31 List Price $89.98 Model Number 205977122
Category

Spark Plug Wire Set

Custom Spark Plug Wire Set

Custom Spark Plug Wire Set; 8.5mm; Fits Chevy Big Block Marine Engines; HEI Ignition; 90 Degree Boots;


SPECIFICATIONS:
  • Boot Type: 90 Degree
  • Engine: Chevy Big Block
  • Engine Make/Size: Chevy Big Block
  • Position: N/A
  • WARNING CA Proposition 65: No

FEATURES:
  • Custom Fit For Make And Model Listed
  • Wires Are Pre-Cut To Exact Specifications
  • Bolt-on Performance

Reliability is just as important as performance in marine applications and MSDs spark plug wires are up for the task. MSD wires are designed with a tough, high heat sleeve that also provides excellent abrasion protection. Dual Crimp terminals provide the strongest connections to the wire and lock to the spark plug terminal.

Racers never stop experimenting as they search for every way to wring out more power or handling performance to to gain an edge over the competition. The team at MSD is no different as we strive to deliver the products you need to meet your performance goals. We continue to innovate and invent components and technology that deliver performance and reliability with products that are easy to use and install. Over the course of 40-plus years, MSD Performance has been driving the development of innovative components that helped shape the way our cars race and perform. From super speedways to road courses, land speed racing to top fuel dragsters, and of course your traditional hot rod, MSD has provided the components to fire nearly anything in motorsports. Early on, MSD focused squarely on ignition systems with revolutionary products like the multiple sparking CD ignition, timing and rev controls, billet aluminum distributors and the Pro-Mag, an incredible breakthrough in power and endurance. Today MSD is developing electronics for your entire powertrain. The Atomic EFI systems for the LS engine platform and throttle body are now complemented with a transmission controller. Our DynaForce Starters and Alternators ensure that your engine cranks over to fire up and the Alternators keep it charged. MSD is poised to deliver components that work and communicate together to provide performance and value.


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