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

"I'm a return customer and just wanted to say great job! everything was packaged nicely, and shipped promptly. I intend to remain a lifelong customer. Thanks for the hard work."

"4th time returning customer thanks guys always good service."

"Just wanted to say thank you. I have ordered from you guys 3 times now your shipping time is very fast, and the product is very accurate as well as high quality."

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

"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!"

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