Speedmaster Downdraft EFI System Black With FiTech Ultra EFI GM LS 1/ LS6

The Speedmaster Black Downdraft EFI System (1-135-015-02) with FiTech Ultra Fuel Injection System for GM LS1 and LS6 Engines is an exceptional piece of engineering. Constructed with heat-treated 601 cast aluminum and CNC machined with precision, this system is built to support high horsepower while enhancing throttle response and overall engine operation. The improved fuel economy and higher state of tune are a direct result of the butterflies being measured for each bore and machined to a closer tolerance.

Features and Benefits:
- Capable of supporting high horsepower
- CNC machined
- Heat-treated 601 cast aluminum
- Excellent throttle response and smooth engine operation
- Improved fuel economy
- Provides a higher state of tune
- Butterflies are measured for each bore and precision machined to a closer tolerance
- Butterflies are secured to centerless ground brass shafts
- O-ring seals on lower mounting faces
- Stylish black finish

The butterflies are also secured to centerless ground brass shafts and have O-ring seals on lower mounting faces for added durability. This system's stylish black finish further adds to its sophisticated appeal. For GM LS1 and LS6 engine owners looking for a serious upgrade, the Speedmaster Black Downdraft EFI System is highly recommended.

Please Note: Includes FiTech Ultra EFI Management System and harness. Additionally, the kit comes with a comprehensive sensor kit and a set of injectors.

Specifications:
- Injection style: 8 throttle body
- Operating RPM: idle to 7000
- Intake trumpets: included
- EGR: no
- Finish: black

Vehicle Fitment:
- 1965-1985 Mustangs
- 1966-1977 Broncos
- 1948-1979 F-100s
- 1960-1987 Chevrolet C10s
- 1988-1998 Chevrolet/GMC C/K Trucks