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

"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!"

"Thank you for having the best prices that I can find. I have looked for hours on line and spent hours going from auto parts house to parts house and you have the best prices around."

"Its great dealing with small companies like yours that still take care of their clientele."

"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..."

"This site is great and every time I've ordered, my order has arrived very quickly. Thank you!"

"I finally got to test my new silicone intake and it worked perfectly fine. There are no issues with the hoses colapsing like my friends suggested might be a problem. Thank you! Thanks to Holly, Sean and Jon for quick feedback about fitment!"