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

"WONDERFUL! Shipping is blinding fast! The site is great because there is an automatic inventory counter to tell you what is in or out of stock. Great site! Ordered from them several times without a hitch at all. And not to mention that their prices are CHEAP! "

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

"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's for making the ordering proccess to easy . I few guys I know have brought Water/Air IC of you and have had nothing but praise for you . "

"Keep up the good work,"

"Just wanted to say thank you. I have ordered from you guys 3 times now your shipping time is very fast, and the product is very accurate as well as high quality."