Holley Super Sniper 2 EFI Kit W/ Retrofit Returnless Fuel Module

Gain a suave throttle feel in your classic ride by trading its 4-barrel, 4150-flange carb with this Holley Super Sniper 2 EFI Kit! This 800 CFM kit grants your ride easy cold starts and refined drivability thanks in part to the efficient designs of its throttle shaft and plate geometry. Even RF noise and interference are kept to a minimum, making your drives much more peaceful. All you need is 4 wiring connections: positive and negative battery, switched ignition, and RPM. Afterward, you’ll enjoy accurate TPS readings, real-time fuel map learning, and the finest in drive quality.

Features and Benefits:
- For 4-barrel (4150-flange) carburetors
- Sold w/ black or polished finish
- Requires 4 wiring connections: battery+, battery-, switched ignition, & RPM
- 4 input/outputs: 2 ground in, 2 ground out, 1 TPS out (0-5v), & 1 tach out
- Onboard, contactless, magnetic TPS sensor reads TPS precisely
- Effective throttle shaft & plate geometry for smooth throttle feel
- Supports naturally aspirated 650 HP or 575 HP on boost w/ (4) 100 lb/hr injectors
- Real-time fuel map learning via Bosch LSU 4.9 O2 sensor
- ECU provides enhanced RF noise & interference resistance
- Low-profile universal, returnless, drop-in module for 7-12” depth fuel tanks
- Module rotatable 360° & can be placed anywhere in tank beside sending unit
- Built-in 2bar MAP sensor for boost applications
- Allows users to self-tune on 3-1/2 handheld LCD screen w/o laptop
- Wiring harnesses exit from throttle body rear for clean look
- Harnesses include plug & play HyperSpark distributor support
- Stainless steel clamp-on oxygen sensor kit prevents leaks
- Includes provisions for GMTH350/400, 200-4R/700R4, & C4/C6 applications

Requiring only a single feed line to the throttle body, the kit includes a low-profile, returnless, drop-in module that can rotate 360°. This makes placement anywhere in the fuel tank beside your existing sending unit easy, with its universal design letting it work with any tank ranging from 7-12” in depth. Plus, the setup wizard on the 3-1/2” handheld LCD screen spares you the trouble of a long-winded self-tuning process, all without needing a laptop.

Available in either a black or polished finish, the kit supports up to 650 HP on naturally aspirated applications and 575 HP on boost with four 100 lb/hr injectors. For ease of installation, it also includes a HyperSpark support that aids both ignition setup and integrated timing control. It’s complete with a stainless steel clamp-on oxygen sensor kit that guarantees leaks never become an issue. Provisions are included for GMTH350/400, 200-4R/700R4, and C4/C6 applications so almost anyone can sport this kit’s upgraded fuel economy!

Vehicle Fitment:
- 1965-1995 Ford Mustang
- 1948-1979 Ford F-100
- 1966-1977 Ford Bronco
- 1960-1987 Chevrolet C10
- 1987-1998 Chevrolet and GMC C/K Truck

Tech Tip: This Super Sniper 2 EFI kit works best with Holley’s Super Sniper EFI Complete Ecosystem, sold separately.