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Intake Manifold Guide: Plenum, Runners, Single vs Dual Plane, Hi-Ram, EFI, and Carbureted

20 July 2026

Throttle Body Guide: How It Works, DBW vs Cable, Sizing, Cleaning, and LS Fitment

15 July 2026

EVIL ENERGY World Cup Sale: Build Your Winning Performance Lineup

07 July 2026

Engine Air Filter Guide: Types, Fitment, Symptoms, Replacement, and Performance Filters

02 July 2026

Cold Air Intake Kit Guide: Fitment, Tube Size, Heat Shields, Installation, and Filter Care

30 June 2026

Featured Products

[Fuel Filter Regulator Kit(No Lines)][LS Swap CPE Fuel Kit]
EVIL ENERGY Universal LS Swap Fuel Kit - 58psi Regulator, 300LPH Pump & AN Fuel Lines Compatible with E85/Gas/Diesel

High-Performance LS Fuel System Kit

  • Optimized for 1999-2014 Chevy LS engines (4.8L/5.3L/6.0L) and swaps(LS-based engines).
  • this complete fuel system upgrade includes a 58psi fuel pressure regulator with 10-micron filtration, a high-flow fuel pump (200-300LPH), and 6AN PTFE braided fuel lines (1500psi rated). Ensures reliable fuel delivery for gasoline, E85, and diesel applications. Ideal for LS engine builds, performance upgrades, and boosted applications with durable, precision-engineered components.
$118.99
$118.99
$141.74
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EVIL ENERGY LS Swap Fuel Filter Regulator 58PSI with 6AN PTFE EFI Fuel Hose KitEVIL ENERGY EVIL ENERGY LS Swap Fuel Filter Regulator 58PSI with 6AN PTFE EFI Fuel Hose Kit
EVIL ENERGY LS Swap Fuel Filter Regulator 58PSI with 6AN PTFE EFI Fuel Hose Kit

Application：1999-2014 Chevrolet V8 4.8L/5.3L/6.0L (LS-based engines)
Item Weight：‎3.76 pounds
Package Dimensions：9.49 x 8.54 x 4.09 inches

$118.99
$118.99
$189.99
How-to-Choose-the-Right-Carburetor-for-a-Chevy-350-SBC-Engine EVILENERGY

How to Choose the Right Carburetor for a Chevy 350 (SBC) Engine

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This guide explains how to choose a carburetor for a Chevy 350 SBC engine based on CFM rating, barrel type, engine setup, and driving needs. It compares 2-barrel and 4-barrel carburetors, discusses suitable options for stock restorations, daily driving, street performance, and modified builds, and outlines key factors such as fuel pressure, intake compatibility,...
Get your car ready for SEMA 2025 with EVIL ENERGY’s expert fuel system upgrade tips — from fuel pumps and filters to fuel rails, regulators, and carburetors.

5 Tips for Upgrading Your Car’s Fuel System Before SEMA 2025

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Preparing for SEMA 2025? Upgrading your fuel system is one of the smartest ways to unlock your car’s full performance potential. A strong, efficient fuel system ensures your engine receives the right amount of fuel at the right pressure — delivering more horsepower, torque, and reliability. From fuel cell to carburetor, every component plays a...
Fitment & cost for 15-gal fuel cells, plus 6AN/8AN/10AN PTFE fuel line hose. Street/track setups and an under-$500 bundle.

15 Gallon Fuel Cell & PTFE Fuel Lines Guide: Size, Fitment, Hose & AN Fittings

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A 15-gallon fuel cell typically envelopes ~25×18×10 in and works well for drift, track day, street-strip, LS swaps, and classic replacements. For plumbing, a PTFE fuel line hose is the safest all-round choice (E10/E85 compatible). Most street/track builds run a 6AN PTFE fuel line or 8AN PTFE fuel line; high-flow combos use a 10AN...
Toyota Supra cold air intake: MK4 & MK5 fitment, heat-soak control, MAF best practices, install steps, and CARB legality. Street-quiet, track-ready gains.

Toyota Supra Cold Air Intake (MK4 & MK5): Street-Quiet, Track-Ready

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A quality Toyota Supra cold air intake sharpens throttle response, stabilizes intake air temperature (IAT) to reduce heat soak, and adds a refined induction sound. Gains are modest on stock tune; pair with a tune/downpipe for bigger improvements. Choose CARB-EO options for California. Why upgrade the intake on a Supra — Toyota Supra Cold Air...
Learn how to choose the carburetor — from 2-barrel vs 4-barrel carburetors to CFM sizing and carburetor adjustment for power, mileage, and drivability.

How to Choose the Best Carburetor for Your Engine

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Introduction When it comes to classic cars, trucks, or performance builds, the carburetor is one of the most important components. It directly controls how fuel and air mix before entering the combustion chamber. Choosing the wrong size or type can lead to poor drivability, bad throttle response, and wasted fuel. In this guide, we'll...
Learn how to clean your throttle body with expert step-by-step instructions. Covers cable & electronic throttle bodies, symptoms of dirty throttle body, cleaning tips, and performance upgrades for LS and HEMI engines.

How to Clean the Throttle Body

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Introduction Your vehicle's throttle body plays a crucial role in engine performance, yet it's often overlooked during regular maintenance. Over time, carbon deposits, oil residue, and varnish accumulate on this vital component, affecting fuel efficiency, idle quality, and overall drivability. This comprehensive guide will walk you through everything you need to know about throttle...
Cold air intake system in a Ford F - Series engine with guide title overlay.

Boosting Power and Efficiency: A Complete Guide to Cold Air Intakes for Ford F-Series

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For Ford F-Series owners, whether the goal is stronger towing capacity, sharper throttle response, or improved fuel economy, upgrading the air intake system is essential to unlocking the engine’s full potential. The stock intake, constrained by cost and broad compatibility, often suffers from high airflow resistance and elevated intake temperatures, limiting the performance of...