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Why the Ultimate LS?
Complete Self-Tuning LS EFI
- Fabricated aluminum intake manifold with billet fuel rails
- Self-tuning ECU with sequential fuel and spark control
- Individual cylinder trim for precise fuel injector delivery
Every LS Head Style Covered
- Cathedral port systems for LS1, LS2, LS6, and truck heads
- Rectangular port systems for LS3, L92, L76, L99, LSA, and LS9
- Short and long runner intake options for each head style
Built for Power. Ready for More.
- Sharper throttle response and better fuel economy
- Boost ready up to 27 PSI and E85 compatible out of the box
- Transmission control available for GM 4L60, 4L65, and more
Stop Sourcing Parts for Your LS Swap One at a Time.
You found an intake manifold. Then you needed fuel rails, injectors, a throttle body, an ECU, a harness, and sensors that all work together. The Ultimate LS puts every component in one kit. Self-tuning fuel injection with sequential spark control, billet fuel rails, and a fabricated aluminum intake manifold matched to your head style. From a daily driver to a drag racing build, from dropping an LS into an old car to finishing a fresh long block. Pick your port, pick your power level, and get your injected LS motor running.