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

"Great site guys! Found everything I needed at a great price!"

"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."

"hi, just thought id let you know i have recieved my order, and am very happy with it, and extremely impressed with your service. i have passed on your good deeds to a few freinds who will be buying water to air intercoolers and other accesories very soon. cheers"

"...ive ordered from you before and love your products and fast shipping. Thanks"

"Now this is service!!!, item shipped within a hour of ordering!!! I own a shop and will be passing your info on to anyone I know."

"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!"