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- Ensure optimal engine performance at any speed with an ACDelco Intake Manifold Runner Control
- High-quality IMRC replacement subs in for your failing OE component without missing a beat
- Durably constructed and precisely engineered to boost torque levels while keeping your ride smooth
- Valve plates open and shorten intake manifold runners when more hp is needed
- Manufactured to factory specs for fit, form, and function
- Your ACDelco Intake Manifold Runner Control is backed by a 1-year or 12,000-mile limited warranty