MSD 6523 Ultra 6AL Plus Ignition Control

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The MSD 6523 Ultra 6AL Plus Ignition Control is a high-performance ignition box designed for moderately boosted vehicles. It features boost-dependent timing control up to 400 kPA (58 PSI / 4 BAR internal sensor), making it ideal for blow-through or draw-through carburetor setups. The unit offers programmable timing curves in both 2D and 3D formats, allowing users to plot and edit tables of RPM versus timing versus MAP pressure via mobile app or MSDView software. Additional features include launch, burnout, and step retard activation, a built-in tri-step RPM rev limit, and high spark energy output of 135mJ to 150mJ per firing. Its compact, lightweight design delivers full MSD power with minimal heat generation and efficient current draw, ensuring reliable performance across a wide range of racing and performance applications.

Compatible with 4, 6, and 8-cylinder engines equipped with distributors, this ignition control is suitable for vehicles from 7 to 28 volts electrical systems. It supports programmable start retard, launch timing, and various retard activation inputs, making it versatile for street, track, or racing use. The unit connects via MSD CAN communication for easy integration with MSDView and features secure encryption for phone-to-ignition communication. Installation is straightforward on vehicles with magnetic pickups or Hall/Crank input distributors, providing enhanced throttle response and starting performance. This product is ideal for enthusiasts seeking advanced ignition control with customizable timing and boost-dependent features.

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Founded in 2010, WheelFlip is a trusted retailer specializing in aftermarket wheels and performance parts.

What began as a modular wheel customization shop has grown into a leading supplier serving both retail customers and OEM partners. Today, WheelFlip is proud to be one of the largest stocking premium JDM wheel retailers in North America.

We offer an extensive selection of top-tier brands including RAYS (Volk Racing, Gram Lights, RAYS Offroad), BBS (including Motorsport), Yokohama Advan, Desmond, Mugen, Spoon, Nismo, and more.

Beyond wheels, we carry a wide range of performance parts—from RECARO seats to Spoon aero components—supporting enthusiasts at every level.

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