FAST Fittings & Plugs

Fitting EZ-EFI -6AN Fuel Return Line Fitting

Part Number: FST-307031

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/24/2025

Fuel Line Fitting, FAST Quick-Release, 3/8 in. Female, -6 AN Hose End Male, Straight, Aluminum, Black, Each

Part Number: FST-54028

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

Fitting, Hose End, Push-Lock, 90 Degree, Aluminum, Black, -6 AN, Each

Part Number: FST-30276-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

Fitting, Hose End, Push-Lock, Straight, Aluminum, Black, -6 AN, Each

Part Number: FST-30275-1

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/24/2025

Fuel Injected Component, LSXR Intake Manifold Purge Fitting, Chevrolet, 5.7L LS, 6.0L LS, 6.2L LS, Each

Part Number: FST-146013PF

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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 11/24/2025

BRASS BUSHING, 1/2"MPT X 3/8"FPT

Part Number: FST-30278-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

Fitting, Adapter, AN to Straight Cut, Straight, Aluminum, Zinc, -6 AN, -3 AN, Each

Part Number: FST-30253-1

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

Bung, Oxygen Sensor, Weld-In, Steel, Female Threads, 18mm x 1.50, FAST, Each

Part Number: FST-30168

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/24/2025

Fitting, Adapter, AN to Straight Cut, Straight, Aluminum, Black Anodized, -8 AN, -8 AN, Each

Part Number: FST-54023A-1

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

BUNG FITTING FAST EGT WELD IN

Part Number: FST-301443

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

Hose Ends, Push-Lock Fittings, Socketless Barb, Straight, -6 AN Size, Aluminum, Black, -6 AN Adapter Size, Female Threads, Each

Part Number: FST-30275

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 23, 2026 if ordered today

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Fitting, Adapter, AN to Straight Cut, Straight, Aluminum, Black Anodized, -6 AN, -8 AN, Each

Part Number: FST-54023B-1

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

Fitting, Port Plug, Hex Head, Aluminum, Black Anodized, -8 AN O-ring Male Threads, Each

Part Number: FST-54028P

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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FITTING, 1/2 NPT MALE TO -4AN MALE

Part Number: FST-82125

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

Fitting, Tee, 1/8 NPT, Each

Part Number: FST-NS6538

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

Fitting, Adapter, AN to NPT, Straight, Aluminum, Black Anodized, -8 AN, 3/8 in. NPT, Each

Part Number: FST-54037A-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

Fitting, Adapter, AN to Straight Cut, Straight, Aluminum, Black Anodized, -6 AN, -6 AN, Each

Part Number: FST-30251-1

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Fitting, Adapter, Metric to Hose Barb, Straight, Brass, Natural, 10mm x 1.0, 5/16 in., Each

Part Number: FST-NS6604

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

Fitting, Coupler, Union, AN to AN, Straight, Aluminum, Black Anodized, -6 AN, -6 AN, Swivel, Each

Part Number: FST-30274-1

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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AN to Straight Cut O-Ring Fittings

Part Number: FST-54023C

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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• Special Order

Hose Ends, Push-Lock Fittings, Socketless Barb, 90 degree, -6 AN Size, Aluminum, Black, -6 AN Adapter Size, Female Threads, Each

Part Number: FST-30276

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Jan 23, 2026 if ordered today

• Drop Ship
• Special Order

Bung, Oxygen Sensor, Weld-In, Steel, Female Threads, 18mm x 1.50, FAST, Plug Included, Each

Part Number: FST-307018

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 23, 2026 if ordered today

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FITTING, -3AN MALE TO 1/8 NPT MALE

Part Number: FST-NS6570

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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CROSSOVER LINE

Part Number: FST-54031FRC

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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• Special Order