Amazon Has a Fuel Injector Tester on Sale for Just $9

With this limited-time deal at Amazon, the Kttool Fuel Injector Tester is on sale for just $9, and it offers impressive ...
Westen Champlin on MSN

Injectors, Valves, and Pure Torque: The Cummins F350 Power Build

Under the hood of this Ford lies a Cummins engine built for raw output. With upgraded injectors and delivery valves, the ...