JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.
100% Satisfaction Guarantee Since 1978 We stand behind our solutions and customers.
The Ultimate Tall LS1/LS2/LS6 500HP Intake Manifold Kit with 92mm Throttle Body are a complete self-tuning induction systems for LS engines designed for the do-it-yourself hot rodder to the professional EFI tuner! This system is ready to go with everything needed to complete the induction system of your LS engine and get you on the road easily and faster than any system on the market today. Forget sourcing mismatched parts and cutting and splicing old harnesses and re-flashed ECU’s from Craigslist tuners. FiTech’s Ultimate EFI is a complete Kit. Suitable for that junkyard 5.3 to a stroker 427, we have you covered! Check out the list of features and you will wonder why it’s never been so simple to ditch that old factory hardware or top off that fresh long block. We have taken the work out of getting your new or pull-out LS up and running in a flash. That’s why we call this intake manifold kit the Ultimate EFI.