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

"...the liquid to air system I purchased from you works awesome. I have a 5 gallon fuel cell for a water tank. I fill the cell with 22#s of ice, plus water, and after a turbo run there is no ice remaining in the cell!"

"Free shipping would be cool =p But seriously- You guys are awesome. Good experience and quality, time after time. Thanks for the great products for awesome prices."

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"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!"

"My blue silicone vacuum hoses i ordered from you in 2008 still look brand new today.Great hoses.Thanks "

"4th time returning customer thanks guys always good service."