Fuel System

Fitment: GM LS1/LS2/LS6

Fuel Rail：
- Fits: For stock LS1/2/6 fuel injectors
- Material: Billet aluminum construction
- Includes: Mounting brackets, Crossover line, and Hardware 3/8" line diameter with -8 fittings

Intake Manifold:
- Finish: Satin
- Material: Aluminum
- Type: Single Plane
- Includes: Intake Manifold、Mounting Hardware

Bundle:
- Includes: Fuel Rail Kit + Intake Manifold

• Prevents Fuel Backflow
  Maintains stable pressure in low-pressure systems.
• Diaphragm Check Design
  Smooth one-way flow with stainless steel spring.
• Multiple Hose Sizes
  Available in 5/16, 3/8, 1/2, and 5/8 inch.
• High-Strength Aluminum Body
  6061-T6 aluminum with black anodized finish.
• Multi-Fluid Compatible
  Works with fuel, oil, coolant, diesel, and E85.

Race-Tuned Performance Core

• Mechanical secondary throttles—instant power delivery, no lag for split-second racing response.
• Dual fuel inlets—stable fuel supply under extreme load, preventing starvation at wide-open throttle.

Durable Race-Grade Construction

• 100% new alloy body (no remanufactured parts)—corrosion-resistant, built for extreme track conditions.
• Precision CNC-machined components—ensures consistent performance and reduced in-race failure risk.

Universal Race Build Compatibility

• Square-bore flange—direct fit for most race-spec intake manifolds (GM/Ford/Chrysler).
• Integrates with GM, Ford, Chrysler AT shift linkages (additional fitment parts may be required).
• No choke design—optimized for race use (no unnecessary components for weight/simplicity).

Core Performance

• 600 CFM 4-barrel design: Balanced airflow for daily driving and mild performance builds
• Air valve-controlled secondary throttle: Smooth power transitions for enhanced street drivability

Convenience & Tuning

• Electric choke: Automatic temperature adjustment for easy cold starts
• Adjustable metering rods (0.075x0.047 inch): Quick, tool-free adjustments; resistant to engine backfires
• Pre-calibrated: #98 main jets, #95 secondary jets, 0.028-inch accelerator nozzle for out-of-the-box use

Build & Fitment

• 100% new components (non-remanufactured): Avoids hidden wear risks; compatible with multiple fuel types
• Single fuel inlet, 3.25-inch height, square bore flange: Simplifies installation
• Compatible with GM, Ford, Chrysler AT shift linkages (specific setups may require additional parts)

Classic Engine Optimized

• 500 CFM flow tailored for 305-390ci engines (e.g., Ford 390 FE, Chevy 305 LG4)
• Square-bore flange for direct OEM manifold replacement
• Mechanical secondaries ensure predictable throttle response

Street-Tuned Calibration

• #86 primary jets (cruise efficiency) + #95 secondary jets (moderate-load power)
• 5.0Hg power valve for balanced fuel enrichment
• 0.028" accelerator nozzle for smooth takeoffs

Vintage-Friendly Design

• Manual choke for original-control authenticity
• 3.25" height clears stock air cleaners (e.g., 1975 F-250)
• Single-line fuel inlet matches classic plumbing

High-Performance Power Delivery

• 750 CFM square-bore design with mechanical secondaries for rapid throttle response
• No choke system reduces engine bay clutter, ideal for performance-focused builds
• Dual fuel inlets ensure consistent fuel supply under extreme load (e.g., racing, wide-open throttle)

Optimized Calibration

• #74 main jets and #84 secondary jets for precise air-fuel mixture in high-performance setups
• 4.5Hg power valve enhances low-end performance and high-RPM stability
• 0.031-inch accelerator pump nozzle delivers instant fuel on demand, eliminating lag

Efficient Airflow Design

• 1.375-inch primary and secondary venturis balance velocity and volume for optimal atomization
• 1.6875-inch throttle bores maximize airflow to support high-RPM power output
• 3.25-inch low-profile height fits tight engine bays and high-performance intake manifolds

Durable & Versatile

• Compatible with various high-performance intake manifolds and fuel systems, reducing modification needs
• 100% brand-new construction (no remanufactured parts) for long-term reliability
• Square bore flange ensures broad fitment across performance engine configurations

Upgrade your vehicle with the EVIL ENERGY EFI Fuel System Kit! This comprehensive kit includes a 10 Micron Filter with Bracket and a powerful 300LPH high flow fuel pump. It also comes with a 10-micron fuel filter and all necessary fittings for easy installation.

Anti-Backfire & Tune-Holding Design

• Metering rod system replaces fragile power valves—100% immune to engine backfires.
• Swappable metering rods for quick tuning—no carburetor removal or fuel draining.
• Holds calibration long-term—stable idle, throttle response, and power output for miles.

Electric Choke & Secondary Control

• Electric choke for hassle-free cold starts—automatic adjustment for temperature, ideal for cold climates.
• Air Valve-Controlled Secondaries—adapts to vehicle weight/gearing, avoids bogging or sudden power surges.
• Single fuel inlet simplifies installation—easy to route fuel lines to the carburetor.

Durable & Drop-On Compatibility

• Two-piece aircraft-grade aluminum body—lightweight, warp-resistant, compatible with gasohol/E10/E15.
• Square-bore flange—direct fit for standard intake manifolds, direct replacement for Edelbrock 1406.
• Suitable for small-block V8s—not for boats, computer-controlled vehicles, or RPM/Torker II manifolds.

Factory Calibration for Instant Use

• #98 primary/#95 secondary jets optimize low-RPM torque and high-RPM power.
• 0.028" accelerator pump nozzle ensures crisp throttle response (no lag).
• Includes gaskets/seals—leak-free installation, no extra parts needed.

Race-Engineered Performance

• 600 CFM square-bore flow with air valve-controlled secondaries (progressive power dealivery)
• Staged venturi design (1-3/16-inch primary / 1-9/16-inch secondary) for optimized torque curve
• Reverse-jet calibration (#98 primary / #101 secondary) for aggressive fuel delivery

Precision Fuel Management

• Advanced metering rod system (0.068-inch x 0.047-inch) replaces traditional power valve
• 0.028-inch accelerator pump nozzle for zero-lag throttle response
• Dual-stage throttle bores (1-7/16-inch primary / 1-11/16-inch secondary)

Track-Focused Convenience

• Electric choke for instant cold starts during race events
• Compact 3.25-inch height clears tunnel ram intakes
• Single-line fuel inlet simplifies installation

Universal Performance & Calibration

• 750 CFM airflow supports high-performance small-block/big-block V8 engines (stock to mildly modified).
• Vacuum secondaries adapt to vehicle weight/gearing/transmissions for smooth power delivery.
• Universal #72/#76 jet calibration + 1.375" balanced venturis = out-of-the-box readiness.

Durable Build & Protective Features

• Vibratory polished aluminum body (corrosion-resistant, sleek engine bay aesthetic).
• Power valve blow-out protection prevents backfire damage.
• 100% wet-flow tested to ensure leak-free, ready-to-run performance.

Reliable Fuel Delivery & Control

• Dual fuel inlets for constant high-volume delivery under heavy load.
• Cable-actuated manual choke for precise cold-start adjustments.
• 4-chamber auxiliary fuel tank design improves fuel efficiency.

Compatibility & Value

• Bolt-on square-bore design fits GM/Ford/Chrysler AT linkages (additional parts may be needed).
• Restrictions: Not for marine use; fuel line center-to-center length = 8.8 inch.

Extreme Airflow Performance

• 850 CFM square-bore flow for max-RPM domination (5500-7500 RPM range)
• Mechanical secondaries for instant WOT power delivery
• Oversized 1.56" venturi + 1.75" throttle bores optimize high-RPM breathing

Race-Spec Calibration

• Aggressive #78 primary / #89 secondary jetting for forced-induction readiness
• 0.035" accelerator pump nozzle eliminates throttle lag
• 6.5Hg power valve prevents lean-out at peak load

Pro Installation Ready

• compatible with GM, Chrysler, Ford A/T kickdown linkage. Additional parts may be required.
• come with black anodized billet throttle base plates for superior durability and throttle shaft stability.

Core Versatility

• Multi-purpose application: Ideal for fuel supply/return, transmission oil cooler, coolant, vacuum, turbo cooler, or oil feed lines.
• Broad fluid compatibility: Works with transmission fluid, oil, race gas, diesel, hydraulic fluid, and vacuum.

Premium Durability

• Construction: CPE rubber inner + 304 stainless steel wire helix + nylon outer braid; aluminum alloy fittings.
• Abrasion/corrosion-resistant: Withstands harsh engine bay conditions for long-lasting use.

High-Performance Specs

• Working pressure: 750psi; Bursting pressure: 2250psi (stable under extreme load).
• Temperature range: -22°F to 248°F (adapts to all climates and driving scenarios).

Package include

• 10FT CPE Fuel Line
• 6 swivel ends (2×straight/2×45°/2×90°)
• 2 × separator clamps
• 2×AN to 1/4" NPT fittings.

Application & Value

• Suitable for: Street vehicles, high-performance builds, racing, off-roading, and automotive repairs.
• Note:Do Not fit E85,E10 Ethanol Fuel

Core Marine Performance

• 750 CFM 4-barrel design: Optimized airflow for marine engine demands
• Air valve-controlled secondary throttle: Smooth power transitions for vessel stability

Convenience & Tuning

• Electric choke: Automatic temperature adjustment for easy cold starts
• Pre-calibrated: 0.11-inch main jets, 0.107-inch secondary jets, 0.031-inch accelerator nozzle, and metering rod system for out-of-the-box use
• Adjustable metering rods (0.075x0.047 inch): Allow fine-tuning for specific marine setups

Build & Installation

• 100% new components (non-remanufactured): Avoids hidden wear risks; built for marine durability
• Single fuel inlet, 3.25-inch height, square bore flange: Simplifies installation

Mildly Modified Vehicles

• 750 CFM square-bore flow for maximum high-RPM power
• Vacuum-operated secondaries for seamless throttle response
• Dual fuel inlets ensure consistent high-volume fuel delivery

Precision Engineering

• Optimized #72 primary / #75 secondary jet calibration
• Balanced 1.375" venturis for even airflow distribution
• 6.5Hg power valve for controlled fuel enrichment & blow-out protection

Bolt-On Dominance

• Electric choke for instant cold starts in all conditions
• 100% wet-flow tested by technicians to assure it arrives ready to run
• Compatible with GM, Chrysler, and Ford A/T kickdown linkage, additional parts may be require
• Compact 3.25" height clears restrictive engine bays

Optimized Street-Strip Performance

• 750 CFM square-bore flow with mechanical secondaries (instant power engagement)
• Dual fuel inlets ensure stable supply during hard acceleration
• Balanced 1.38" primary/secondary venturis for linear power delivery

Precision Calibration

• #74 primary jets (street efficiency) + #80 secondary jets (WOT performance)
• 6.5Hg power valve for controlled fuel enrichment
• 0.031" accelerator pump nozzle for crisp throttle response

Automatic Transmission Ready

• compatible with GM, Chrysler, Ford A/T kickdown linkage. Additional parts may be required.
• Electric choke enables instant cold starts in all conditions
• Low-profile 3.25" height clears stock hoods

Direct Control System

• Manual choke Adjustable Needle and Seats
• Mechanical secondary throttle enables instantaneous power delivery
• Single fuel inlet simplifies installation

Balanced Performance Calibration

• #70 primary / #74 secondary jets optimize RPM-specific fueling
• 6.5Hg power valve enhances mid-range power efficiency
• 0.031" accelerator pump nozzle ensures crisp transition response

Engineered Fitment

• Performance upgrade for stock to mildly modified V-8 engines
• equipped with universal throttle levers to accommodate Ford A/T kickdown, GM 700 R4 mounting holes, and ability to mount brackets for Chrysler vehicles.
• Integrated 700R4/200R4 transmission kick down cable mounting

Intelligent Drive System

• Electric choke for instant cold starts in all weather conditions
• Vacuum-operated secondaries deliver progressive power transitions
• Single fuel inlet simplifies installation and maintenance
• Performance upgrade for stock to mildly modified V-8 engines

Precision Fuel Calibration

• #66 main jets optimize fuel efficiency for street driving
• 6.5Hg power valve enhances low-RPM torque and economy
• 30cc accelerator pump with 0.031' nozzle ensures crisp throttle response

Engineered Compatibility

• Equal 1.563' throttle bores provide balanced airflow
• Dual venturi design (1.25' primary / 1.31' secondary) optimizes velocity
• Integrated 700R4/200R4 transmission kick down cable mounting

Street-Optimized Performance Core

• 600 CFM airflow (supports 250–400 HP) + vacuum secondaries—adapts to vehicle weight/gearing for smooth power delivery.
• Factory-calibrated: #66 jets, 30cc accelerator pump, 6.5Hg power valve (with blow-out protection) + asymmetric venturis (1.25"/1.31").
• Manual choke (cable-actuated): Precise cold-start control for all climates.

Durable Premium Construction

• Vibratory polished aluminum body: Corrosion-resistant, lightweight, and sleek engine bay aesthetic.
• 100% wet-flow tested: Ensures leak-free, out-of-the-box performance with no break-in tuning.
• Precision CNC-machined components: Matches the durability of top brands (Holley, Edelbrock).

Universal Compatibility & Installation

• Square-bore flange (5 3/16" x 5 5/8"): Direct replacement for Holley/Edelbrock/Carter AFB/Autolite carburetors.
• Integrated 700R4/200R4 kickdown mounting: Compatible with GM/Ford/Chrysler AT linkages (additional parts may be needed).
• Bolt-on design: Hassle-free installation with no complex modifications.

Value & Application

• Ideal for: Daily drivers, weekend cruisers, and stock to mildly modified V8 street builds.
• Restrictions: No marine use; not for California pollution-regulated vehicles.