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

"Thanks for the great customer service! I'm planning on ordering from you again soon."

"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!!"

"It is a pleasure to do business with your company."

"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 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 "

"Recieved package as arranged. Your products are great! Thank you very much, will be ordering more shortly"