Speedmaster PCE599.1002 Fuel Injector 0.400" Billet Aluminum Extension Spacer Set [LS3 to LS1 Truck]

Speedmaster PCE599.1002 Fuel Injector Extension Spacer Set is precision-machined from billet aluminum, providing a rigid, reliable 0.400" extension that allows LS3 fuel injectors to be correctly seated and sealed in LS1 truck intake applications. Each spacer in the set is crafted to maintain proper injector alignment and a leak-free connection, making this an essential adapter solution for engine swap and upgrade builds.

Designed specifically for the LS3 to LS1 truck conversion, this spacer set simplifies the process of running modern LS3 injectors in an older LS1 truck fuel rail setup without custom fabrication. The billet aluminum construction ensures durability and long-term resistance to fuel exposure, making it a straightforward, bolt-in solution for enthusiasts and professional builders alike.