Fuel Injection


This twin 50mm throttle body is a direct replacement part for your 2001 Soft Tail®, Soft Tail Deuce® and all 2002 and up EFI bikes equipped with a Delphi® Throttle Body. It uses the electronic components from your stock Harley Delphi unit and offers maximum air flow with divided runners for increased torque and tunability.

Available for stock and long cylinders with standard and larger port diameters to fit 1.800 intake ports. Dual Flow throttle body includes a backing plate that fits most aftermarket air cleaners and stock air cleaner covers.

Features:
• Tuned, divided runners.
• Increased flow & port velocity.
• Less turbulence.
• Uses stock injectors & electronic components, throttle cables & cruise control.

Download our flyer here.

Winter Sale Price!
Part #
DF50... $495
Add OF522R OverFlow filter for $90

Click for details.


Watch it run! (1.7mb)

DUAL FLOW
DAYTONA TWIN TEC
PACKAGE

The ultimate EFI platform for performance applications. Delphi replacement throttle body and fuel injection controller for twin cam engines.

 BC’s Dual Flow Throttle Body
• 50mm tuned port dual runner
• Increased flow & port velocity
• Less turbulence
• Improved fuel distribution
• Uses stock injectors, MAP sensor, IAC, air temp sensor, throttle cables & cruise control

 Daytona Twin Tec TCFI Fuel Injection Controller
• Solves tuning problems with highly modified engines
• Auto-tune fuel curves with WEGO wide-band oxygen sensor
• Closed loop, highly accurate system monitors wide AFR range from 10.4 to 19.5
• Extensive data logging capability

Includes DF50 and TCFI2-KIT
Dual Flow Throttle Body, backing plate & hardware kit with TCFI Plug-in Fuel Injection Controller, PC link interface cable, Wide-band Engine Gas Oxygen Sensor Interface, Wide-band Exhaust Gas Oxygen Sensor and 18 x 1.5mm weld nut for exhaust pipe.

Price Reduced! Save $200!
Part # DF50-TT... $1190

Add OF522R OverFlow filter for $90

Click for details.

Our head mods are for HIGH PERFORMANCE RACE APPLICATIONS ONLY! Our head mods are not legal for sale or use on any pollution controlled motor vehicle! Our head mods are designed only to maximize performance!

Please visit the manufacturer's web site for more information.


Max Air Flow Fuel Injection
Get the edge on your competition with
stock throttle modifications.

Delphi Throttle Body Modification

For all model year bikes equipped with OE Delphi EFI.
13.7% increase in butterfly area
• 15.7 CFM increase in airflow
• Bore from 45mm to 48mm
• Match bore and port intake manifold
• Install new throttle plate

Part #TC13... $325 (to your throttle body)
Add OF522R OverFlow filter for $90

Click for details.

Magnetti Marelli
Throttle Body Modification

Proven #1 modification for Magnetti Marelli equipped bikes.
• 21% increase in butterfly area
• 17.4 CFM increase in airflow
• Bore from 38mm to 42mm
• Port and polish
• Install new throttle plates
• Exchanges available

Part #TC7... $325
Exchanges available, click here
Add OF522R OverFlow filter for $90

Click for details.
Fuel Injection Photo

Max Fuel Flow Pressure Regulator

50 psi gives you the additional fuel needed to produce big horsepower gains with 97-99 EVO & 99-01 TC. Supplies more fuel in the upper RPM ranges and increases pressure for better fuel atomization.

Part #FPR35...
$160

Fuel Flow Pressure Regulator Photo

Buell Throttle Body Modification

Throttle Body Upgrade:
• 23% increase in butterfly area
• 21 CFM increase in airflow
• Bore to 50mm
• Install throttle linkage gusset
• Install new butterfly

Part #EVS9...
$325 (to your throttle body)

Buell Photo

V-Rod Throttle Body Modification

Max Air Flow V-Rod Throttle Body
• Bore from 53mm to 56mm

Part #VR01... $325 (to your throttle body)


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