What Is the DeatschWerks DW300 Fuel Pump?

The DeatschWerks DW300 is a:

• High-flow in-tank electric fuel pump
• Rated at 340 liters per hour (LPH)

This kit includes:

• DW300 fuel pump
• Installation hardware
• Fuel system integration components

Designed specifically for:

• 1985–1997 Ford Mustang applications

The DW300 supports:

• Turbocharged setups
• Supercharged combinations
• E85/flex fuel systems
• High-performance naturally aspirated builds

Basically:
Any Mustang project where “stock fuel system” became a temporary phase.

Fuel Pump, DW300, Electrical, In-Tank, 340 lph, Set up Equipment, Gasoline / Ethanol, Ford Mustang 1985-ninety seven, Kit

Vehicle Fitment

The DeatschWerks DW300 Fuel Pump Kit fits:

• 1985 Ford Mustang
• 1986 Ford Mustang
• 1987 Ford Mustang
• 1988 Ford Mustang
• 1989 Ford Mustang
• 1990 Ford Mustang
• 1991 Ford Mustang
• 1992 Ford Mustang
• 1993 Ford Mustang
• 1994 Ford Mustang
• 1995 Ford Mustang
• 1996 Ford Mustang
• 1997 Ford Mustang

Including:

• Foxbody Mustang
• SN95 Mustang
• 5.0L V8 applications
• Modified EFI setups

Especially popular for:

• Supercharged 5.0 builds
• Turbo Foxbodies
• E85 street cars
• Drag racing Mustangs

Because Foxbody owners have been adding boost irresponsibly since the Reagan administration.

Package deal Dimensions: 6.7 L x 4.4 H x 2.3 W (inches)
Package deal Weight: 1.15 pounds
U . s . of Beginning : China
Phase Number: nine-301-1014

Why Upgrade the Fuel Pump on a Mustang?

Factory fuel pumps were designed around:

• OEM horsepower
• Factory fuel demand
• Conservative tuning

Once modifications increase airflow through:

• Superchargers
• Turbochargers
• Camshaft upgrades
• Nitrous systems
• E85 tuning

…the stock pump quickly becomes inadequate.

A high-flow fuel pump helps maintain:

• Stable fuel pressure
• Proper injector supply
• Safe air/fuel ratios
• Reliable fueling under load

Because lean boosted V8s have an incredible ability to destroy expensive engine parts instantly.

Usually loudly.

Why the DW300 Became So Popular

The DW300 became one of the most trusted pumps in the aftermarket because it offers:

• Excellent flow capability
• Strong reliability
• E85 compatibility
• Quiet operation

This makes it ideal for:

• Street-driven Mustangs
• High-horsepower builds
• Roll racing cars
• Drag applications

Without immediately stepping into:

• Triple pump setups
• External fuel systems
• Full race fuel cells

Not every Mustang build needs to sound like a NASCAR pit lane at idle.

Perfect for E85 and Flex Fuel Builds

Modern Mustang enthusiasts increasingly switch to E85 because ethanol provides:

• Better knock resistance
• Cooler combustion temperatures
• More aggressive timing capability
• Increased boost tolerance

But ethanol also requires significantly more fuel volume than gasoline.

That means:

• Fuel pumps work harder
• Injectors flow more
• Fuel system stability becomes critical

The DW300 is engineered specifically to support:

• Ethanol-compatible fueling
• High-demand EFI systems
• Modern flex fuel setups

Especially on:

• Boosted 5.0 builds
• Nitrous combinations
• Street/strip Mustangs

Because “it leaned out at the top of third” remains one of the least enjoyable Mustang experiences possible.

Foxbody and SN95 Mustangs Love Fuel Upgrades

The 1985–1997 Mustang platform became legendary because of:

• Simplicity
• Lightweight chassis design
• Huge aftermarket support
• Affordable V8 power

Today, these cars routinely make:

• 500 horsepower
• 700 horsepower
• Four-digit drag setups

And all of that requires significantly more fuel than Ford originally planned for in the 1980s.

Back when 225 horsepower was considered aggressive.

Supporting Mods You Should Pair With It

The DW300 works best alongside:

• Larger injectors
• Adjustable fuel pressure regulators
• ECU tuning
• E85-compatible fuel lines
• Mass airflow upgrades

Especially on:

• Turbo Mustangs
• Supercharged 5.0s
• Nitrous street cars

Because fuel systems are ecosystems.

One weak point eventually limits everything else.

Usually at wide-open throttle.
Usually while the rear tires are already fighting for survival.

Professional Tuning Recommended

After upgrading the fuel system:

• Air/fuel ratios should be verified
• Fuel pressure monitored
• Injector scaling adjusted
• ECU calibration updated if necessary

Especially on:

• Boosted applications
• E85 builds
• Nitrous combinations

Because small-block Fords become extremely efficient at self-destruction when fueling goes wrong.

Why Enthusiasts Trust DeatschWerks

DeatschWerks has become one of the most respected names in aftermarket fueling because they focus heavily on:

• Fuel injector engineering
• High-flow fuel pumps
• Ethanol compatibility
• Motorsport durability

Their products are trusted across:

• Drag racing
• Street performance
• Drift competition
• Roll racing
• Time attack

Reliable fueling remains one of the most important foundations of reliable horsepower.

Not giant burnouts.
Not blower whine.
Fuel.

Final Thoughts

The DeatschWerks DW300 340LPH Fuel Pump Kit is an outstanding upgrade for enthusiasts building reliable horsepower in 1985–1997 Ford Mustangs.

With:

• 340LPH flow capability
• E85 compatibility
• Proven reliability
• Included install hardware

…it’s an ideal solution for:

• Turbo Foxbodies
• Supercharged SN95s
• Flex fuel street builds
• High-performance drag applications

Because once horsepower goals climb high enough, fuel delivery becomes absolutely critical.

And boosted Mustangs already create enough chaos without fuel starvation joining the conversation.