Celebrating 20 years of selling the highest quality parts at the lowest prices. Guaranteed.

"Thanks for resolving this issue so quickly. This is truly exceptional customer service. You count on me for another purchase should the need arise."

"...the liquid to air system I purchased from you works awesome. I have a 5 gallon fuel cell for a water tank. I fill the cell with 22#s of ice, plus water, and after a turbo run there is no ice remaining in the cell!"

"Thanks for the response. We have an inside joke that you guys only hire ninjas with how fast your service is. SIS is definitely the first place I check for parts. You guys have a great thing going on there. Thanks!"

"you have an excellent website.Yoy have really expanded since I first ordered. I have told several of my friends at dealerships about you. Say they have passed this on to friends who were impressed."

"They had the exact part that I needed and I requested that it had to arrive at the location at a specific time and they performed with excellence! These guys rock "

"Great site guys! Found everything I needed at a great price!"