The LT1 F-Body pump is inside a bucket inside the tank. It is very important that the pump seal properly to the bucket for proper operation of the assembly. We start with a proven Walbro georotor pump. Walbro's georotor design is able to produce high pressure while maintaining important high volume output. The positive displacement design allows Walbro fuel pumps to be quiet, efficient and very reliable, so relaible they maintain a QS9000 certification so you know the quaility is there. These pumps are the main choice for performance intank replacment pumps. We add our "sure seal" inlet to the pump for proper sealing and provide the nessessary hardware to properly install the pump. The kit includes: Walbro pump with "sure seal" inlet Kink resistant factory type fuel tube Custom high flow 30 micron fuel sock Custom "no hassel" plug in harness adaptor Stainless gear clamp This is everthing you need to install your pump and maintain proper tank opertion. Call us at (586) 294-4404 if you have questions about this product.