FAST EFI Fuel Systems & More

FAST (Fuel Air Spark Technology) is a leading developer of advanced EFI systems. With close relationships with its customers, FAST has been able to develop...

FAST (Fuel Air Spark Technology) is a leading developer of advanced EFI systems. With close relationships with its customers, FAST has been able to develop new technologies by simply listening to the needs of performance enthusiasts like you. In 2001, FAST became a member of the COMP Performance Group, allowing the company to conduct even more extensive R&D with a larger team of engineers. Today, FAST continues to develop cutting-edge fuel injection products, including a complete line of superior EFI systems, intake manifolds, throttle bodies, and other parts. Want the best in fuel injection systems...

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FAST LSXR 102mm Intake Manifold for Chevy LS1, LS2, LS6 146302B

Intake Manifold, Fuel-Injected, Polymer, Black, Chevy, LS1, LS2, LS6, Each

Part Number: FST-146302B

4.19 out of 5 stars ( 16 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LSXR Intake Manifold Kit w/102mm Big Mouth Throttle Body for LS1, LS2, LS6 Cathedral Port Engines 146302B-KIT

Intake Manifold, Fuel-Injected, Polymer, Black, 102mm Throttle Body, Big Mouth, Billet, Chevy, LS1, LS2, LS6, Kit

Part Number: FST-146302B-KIT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LSXR Intake Manifolds 146102B

Intake Manifold, Fuel-Injected, Complete, Polymer, Black, Chevy, 6.2L, LS3, L76, L92, L99, Each

Part Number: FST-146102B

3.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LSX Intake Manifolds 54039B

Intake Manifold, FAST LSX, Multi-port, 92mm Bore, Polymer, Black, Runners, EGR, Chevy, 5.7L, 6.0L, Kit

Part Number: FST-54039B

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LSXRT Intake Manifolds 146602B-KIT

Intake Manifold, Fuel-Injected, LSXRT, Cathedral Port LS1/LS2/LS6, Multi-port, Polymer, Black, Throttle Body, Chevrolet, Small Block LS, Kit

Part Number: FST-146602B-KIT

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LSXHR Intake Manifolds 146303

Intake Manifold, Fuel Injected, Cathedral Port, Multi-Port, 5,000-7,500 RPM Range, Complete, Chevy, LS, Each

Part Number: FST-146303

1.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LSXR Intake Manifolds 146102B-KIT

Intake Manifold, Fuel-Injected, Complete, Polymer, Black,102mm Throttle Body, Big Mouth, Billet, Chevy, 6.2L, LS3, L76, L92, L99, Kit

Part Number: FST-146102B-KIT

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LSXHR Intake Manifolds 146106

Intake Manifold, Fuel Injected, LSXHR, for 103mm Throttle Body and Rectangular Port LS3/L76/L92/L99 Cylinder Heads, Polymer, GM, Hummer, Kit

Part Number: FST-146106

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LSXR Intake Manifolds 146103B

Intake Manifold, Fuel-Injected, Polymer, Black, Chevy, LS, High Horsepower, Each

Part Number: FST-146103B

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LS Cathedral Port Sheet Metal Intake Manifolds 10902

Intake Manifold, Fabricated, Aluminum, Black Anodized, uses 102mm Throttle Body, Cathedral Port, with Fuel Rails, Chevy, LS1/LS2/LS6/LQ4/LQ9/LM7, Each

Part Number: FST-10902

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LSXRT Intake Manifolds 146602B

Intake Manifold, Fuel-Injected, Complete, Polymer, Black, Chevy, LS, Each

Part Number: FST-146602B

3.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LSXR Upper Intake Shells 54039BUS

LSX 92mm Intake Manifold Upper Shell for GEN III LS1, LS2, LS6

Part Number: FST-54039BUS

Not Yet Reviewed

Estimated Ship Date: Jan 4, 2027 if ordered today

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Estimated Ship Date: Jan 4, 2027 if ordered today

FAST LSXR Intake Manifolds 146301

LSX RT LOWER ONLY

Part Number: FST-146301

Not Yet Reviewed

Estimated Ship Date: Jan 4, 2027 if ordered today

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Estimated Ship Date: Jan 4, 2027 if ordered today

FAST LSXHR Intake Manifolds for 2014-2015 CAMARO, 2006-2013 CORVETTE - 146204

Intake Manifold, LSXHR, Polymer, 103mm Throttle Body, LS7, Kit

Part Number: FST-146204

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 4, 2027 if ordered today

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Estimated Ship Date: Jan 4, 2027 if ordered today

FAST LSXRT Intake Manifolds 146105B

Intake Manifold, Fuel-Injected, Polymer, Black, Chevy, LS, High Horsepower, Each

Part Number: FST-146105B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LSXR Upper Intake Shells 146000B

Upper Intake Shell, Plastic, Black, 102mm, Chevy, LS, V8, Each

Part Number: FST-146000B

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LSXR Intake Manifolds for 2014-2015 CAMARO, 2006-2013 CORVETTE - 146202B

Intake Manifold, Fuel-Injected, Complete, Polymer, Black, Chevy, 7.0L, LS7, Each

Part Number: FST-146202B

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LSXR Intake Manifolds for 2014-2015 CAMARO, 2006-2013 CORVETTE - 146201

Intake Manifold, FAST LSXR, Lower Intake Shell Only, Polymer, Black, Chevy, 7.0L, Each

Part Number: FST-146201

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 4, 2027 if ordered today

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Estimated Ship Date: Jan 4, 2027 if ordered today

FAST Replacement Intake Manifold Seals 146005

Intake Manifold Seal, Replacement, FAST, Chevy, Small Block LS, Each

Part Number: FST-146005

3.82 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LSX Intake Manifold Replacement Seals 146203-8

Intake Gaskets, LSXR, Buna Rubber, LS1, LS6, LS7 Cathedral Port, Chevy, Set of 8

Part Number: FST-146203-8

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LSX Intake Manifold Replacement Seals 146003-8

Intake Gaskets, LSXR Replacement, Buna Rubber, Cadillac, Chevy, GMC, Set

Part Number: FST-146003-8

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST Intake Manifold Hardware Kits 54018M-KIT

Intake Manifold Hardware, Chevy LS, FAST LSX 92mm Manifolds, Stainless, Allen Head, Kit

Part Number: FST-54018M-KIT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LSXRT Intake Manifold Runners 146653

Intake Manifold Runners, LSXRT, Replacement, Standard, Chevy, LS, Cathedral Port, Set of 8

Part Number: FST-146653

Not Yet Reviewed

Estimated Ship Date: Jan 4, 2027 if ordered today

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Estimated Ship Date: Jan 4, 2027 if ordered today

FAST LSX Intake Manifold Replacement Seals 146006-8

Intake Runner Seals, Replacement, LSX, Buna Rubber, Cathedral Port, Chevy, Pontiac, Set of 8

Part Number: FST-146006-8

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

FAST LSXR Intake Manifold Runners 146070

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: Monday 11/2/2026 if shipped by air

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Estimated Ship Date: Monday 11/2/2026 if shipped by air

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