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

"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."

"Thank you for your continued excellent service"

"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."

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

"My order needed a slight change and the sales team was quick to make the adjustment. once it shipped the whole order only took about 3 days to deliver 1000mi away. The parts are very good quality "

"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!"