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

"I appreciate you sharing this blog.Much thanks again. Really Cool."

"Loved your last products. Very well made. Welds were superb on the steel tail blow off valve flange."

"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 . "

"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!"

"I ordered intake testsers and was able to find the leaks that Ford couldn't. The silicone vacuum hose works great!! Thick walled no collapse, a RARE FIND!!"

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