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

"Meredith, You're my favorite customer service person of all time, just to let you know how highly I think of you. I tell all my car buddies to ask for you by name."

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

"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 your continued excellent service"

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