FAST EFI Fuel Systems & More

Intake Manifold Hardware Kit, LSXR 102mm, Chevy, Kit

Part Number: FST-146102M-H

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Fuel Rail Components, LSXRT OEM Fuel Rail Mounting Kits, Adapter Kit Type, Chevrolet, LS, Kit

Part Number: FST-146030-KIT

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Fuel Line Conversion, Aluminum, Black, Chevy, Pontiac, 5.7L, Pair

Part Number: FST-54028G-KIT

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Fuel Pump, EX-EFI, Electric, External, Each

Part Number: FST-30085

2.4 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Idle Air Control Harness Adapter, GM, Each

Part Number: FST-308032

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Fuel Pressure Gauge Kit, For Use with LSX High Flow Fuel Rails, Kit

Part Number: FST-54027

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Solenoid, Fuel, High Flow, Each

Part Number: FST-NS6641

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Fuel Injection System, EZ-EFI 2.0 Self-Tuning, Black Anodized Throttle Body, 4-barrel Square Bore Flange, Kit

Part Number: FST-30400-KIT

3.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Output Converter Kit Fluid Digital Temperature Sensor w/ 12 Volt to 5 Volt

Part Number: FST-307038

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Sensor, TPS, Chevy, LT1, V8, Each

Part Number: FST-307028

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Fuel Injector O-Ring, LSXRT, Each

Part Number: FST-54043-602

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Sensor, Water Temperature, Brass, 3/8 in. NPT, Each

Part Number: FST-307003

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Engine Control Unit, EZ-EFI 2.0 Replacement, ECU Fuel Injection System Component, FAST, Computer, Each

Part Number: FST-30326

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Fuel Pump Relay Harness, Fuel Injection System Component, FAST EZ-EFI, Each

Part Number: FST-30255

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Harness Adapter, Early to Late GM TPS, Each

Part Number: FST-308022

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

02 Sensor Plug, Stainless Steel, 18mm-1.5 Thread, Each

Part Number: FST-30169

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Fuel Line Conversion, Aluminum, Black Anodized, Chevy, Pontiac, 5.7L, Each

Part Number: FST-54028-KIT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Intake Manifold Runners, LSXR, Replacement, High HP, Chevy, LS3, L99, L76, Set of 8

Part Number: FST-146070

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Spark Plug Wires, FireWire, Male/HEI, Gray, Silicone, Sprial Core, GM USAR Pro Cup, Set

Part Number: FST-295-2401

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Sending Unit, Pressure, 0-100 PSI, Stainless Steel, 1/8 in. NPT, Each

Part Number: FST-307062

5.0 out of 5 stars ( 3 )

Estimated Ship Date: May 11, 2026 if ordered today

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Fuel Rail, Aluminum, Unmachined, Black Anodized, 11/16 in. I.D., 24 in. Length, Each

Part Number: FST-30700224B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Fuel Pressure Gauge, FAST LSX, 0-100 psi, 1 1/2 in. Diameter, Analog, Black Face, Silver Bezel, Each

Part Number: FST-54027G

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Throttle Body Adapter, 102mm Bore, Aluminum, Natural, Chevy, GMC, Small Block LS, FAST LSX, Each

Part Number: FST-146029-KIT

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Spark Plug Wires, FireWire, Reactive Core, 8.5mm., Black, 90 Degree Boots, Under Header Design, SBC, Set

Part Number: FST-255-2407

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Data Acquisition Component, XFI, EGT Module Only, Each

Part Number: FST-301418

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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