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

"Rattling great visual appeal on this web site, I'd value it 10. "

"Your website is a life saver, i would have spent double this at my local performance shop. "

"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 guys are great, place a few orders with you now, and I always receive what I ordered fast. Thanks for your services!"

"Just wanted to drop you a line to say "thank you for my order".. I recieved it today , and I am very impressed with the quality of the hoses .. Man they are 100% super !! Great Quality!!!"

"Don't have a question. I received my first time order from you and just finished installing new fuel line today. Just wanted to say how impressed I am with your products. You are half the price of the name brand products like Earl's and seem to be of just as high of quality. Thank you."