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

"I just recieved the shipment I ordered from you last week. I just wanted to say that everything I ordered came properly packaged and I it was exactly all the items I wanted. Everything fits perfectly on my vehicle. I will definetly purchase from you guys again. Thank you very much. "

" Very good blog.Really thank you! Awesome."

"Great products and Great prices. Wish you guys would set up a page for us to show your products on our cars...."

"Just wanted to let you guys know that your site is great and I linked it on one of my local automotive forums. After i get the products in and install I'll more than likely be posting it up on some national/global mustang boards if all goes well..."

"that will be ok i love the service i got from your company yal rock... i will tell all my hot rod friends about your service ,i just got my car done today and it runs very good thanks jerome..."

"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!"