340 LPH In-Tank Fuel Pump Kit for LS and LT Engine Swaps
The DIY in-Tank Fuel Pump Kit 340 LPH addresses the challenge of fuel starvation in LS and LT engine swaps by delivering a constant supply of fuel under high demand. With a flow rate rated at 340 liters per hour, it employs a CNC machined baffle and integrated fuel bladder to trap fuel at the inlet and prevent air ingestion in both EFI and carbureted setups. The kit includes a precision drill guide for accurate tank opening, a robust hanger assembly and a lock ring assembly for secure placement, plus detailed installation instructions. It is engineered to fit existing or original style fuel tanks without extensive modification, making it ideal for home garage use.
Overview of the DIY In Tank Fuel Pump Kit 340 LPH
The DIY In Tank Fuel Pump Kit 340 LPH delivers a consistent fuel pressure source for GM LS and LT engine platforms. Designed to work seamlessly with electronic fuel injection and carbureted systems, this pump maintains stable flow to support increased power demands. Operating at a capacity of 340 liters per hour, it surpasses standard requirements and enables tuners to push engine output safely. By placing the assembly inside the tank, the kit reduces heat soak and leverages the cooling effect of surrounding fuel. By operating within the fuel mass the pump experiences lower ambient temperatures which extends component life and maintains consistent output under demanding road or track conditions.
Advanced Baffle Assembly with Integrated Fuel Bladder
This kit features an advanced baffle assembly molded to integrate a flexible fuel bladder. The design isolates the pump from rapid fuel movement during acceleration, braking or cornering so that it draws from a consistent reservoir. As the pump runs, the bladder collapses smoothly, preventing air ingestion and maintaining a continuous feed. This translates to uninterrupted flow even in low fuel conditions and ensures reliable operation during competitive driving or hard acceleration. The sealed bladder also acts to dampen pump vibration and noise which results in a quieter operation at idle and cruise.
Engine and System Compatibility
The 340 LPH pump is engineered specifically for GM LS and LT platforms and supports both EFI and carbureted setups. Integration with MuscleRods mounts ensures precise placement and proper alignment of drivetrain angles and fuel line routing. Compatibility with MuscleRods support points means no modifications are required to the vehicle's chassis or the tank mounting rails when proper kit mounting holes are used. The pump module matches standard GM module openings and fits tanks configured for these engines, reducing the need for custom adapters and guaranteeing seamless integration into existing fuel system hardware.
Installation and Performance Benefits
The kit includes the pump motor, filter sock, wiring harness and mounting hardware for a straightforward DIY upgrade. Installation requires cutting or modifying an in tank opening to accept the module and securing the assembly with supplied clamps. Electrical connections plug directly into factory style harnesses for reliable power and ground paths. Once installed, the pump delivers cool, filtered fuel to the engine with minimal noise signature, improving throttle response and reducing fuel temperature. All materials are selected for corrosion resistance and fuel compatibility to ensure long service life and minimal maintenance, making this kit ideal for both street and track LS or LT builds.
Trust MuscleRods for a reliable 340 LPH in-tank solution and to complete your Smaller capacity fuel pump Kit at 200 LPH, consider our DIY in-Tank Fuel Pump Kit-200 LPH.