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

"First I would like to say thank you for the great reliability to shipping and guarantee that your site provides and your customer service is outstanding! I wish everyone is as reliable and this easy to work with."

"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."

"Ive bought a bunch from you guys great price and quality I recommend you guys to many of my customers"

"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!"

"[Thanks] For a great product. Huge improvement over the stock fluidyne. Unbeatable price too. My truck never ran better."

"Simply the best! Keep it up - Thanks!!"