Collection: Auto - Governor Spring Kit

Unlock the full power potential and RPM range of your diesel engine with our selection of Auto Governor Spring Kitcomponents. At DIY Customs, we provide high-performance 3,000 RPM and 4,000 RPM spring sets, durable fuel plate kits, specialized diesel injection pump hardware, and heavy-duty fueling upgrades designed for a perfect fit. Whether you are increasing the usable powerband on a 12-valve Cummins restoration, eliminating high-end fueling cut-off for heavy towing, or outfitting a dedicated competition rig for maximum engine speed, our professional-grade hardware offers the mechanical reliability you need at unbeatable prices. From specialized shims and retainers to full pump calibration kits, we carry the essential gear to keep your fuel flowing through the redline. Don't see the specific RPM rating, pump model (P7100/VE), or specialized governor kit for your truck? Hit the live chat or call 412-882-8346—we can special order and drop-ship exactly what you are looking for directly to your doorstep!