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Sierra 18-5290 Hi-Performance Electronic Conversion Kit Mallory YL YD 8 Cyl:
$209.95
The Sierra Hi-Performance Electronic Ignition Conversion Kit 18-5290 upgrades Mallory YL and YD 8-cylinder distributors for stronger, more consistent spark energy. By actively adjusting dwell based on coil current, it delivers up to 4x more energy at high RPMs and more stable timing than points systems. Ideal for improved performance and reliability.
