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

"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 you. This is a sign of a good business, keep up the good customer service."

"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!!"

"looking forward to trying your products.haven't dealt much with an fittings and i hope that if i have any questions your company can help me out.your company came well recommended by some good friends of mine."

"Rattling great visual appeal on this web site, I'd value it 10. "

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