FiTech Ultimate LS1, LS2, LS6 EFI Induction Kit- Supports 750 HP Rear Disc Brake Conversion Kits It is also totally effective

It is also totally effective in reducing slack

2" tube diameter

Engine block bolt spacing 4 1/2" x 3 1/8"

you gain much needed room to allow for further customization

FiTech Ultimate LS1, LS2, LS6 EFI Induction Kit- Supports 750 HP Rear Disc Brake Conversion Kits It is also totally effectiveThe Ultimate LS1, LS2, LS6 500HP Intake Manifold Kit with 92mm Throttle Body is a complete self tuning induction systems for LS engines and designed for the do it yourself hot rodder to the professional builder. This EFI system includes everything needed to complete the induction system on your LS engine and get you on the road. These kits are E85 Fuel compatible with slight modifications during set up. Application Intake manifold will fit Cathedral