Air/Fuel Delivery Parts for Carbureted & Fuel Injected Engines

Cram the right air/fuel ratio into your engine and you create incredible horsepower. Summit Racing has everything you need to find that mix, starting with carburetors...

Cram the right air/fuel ratio into your engine and you create incredible horsepower. Summit Racing has everything you need to find that mix, starting with carburetors for street to strip, plus intake manifolds ranging from stock-height replacements to hood-busting tunnel rams. If you’e ready to advance to fuel injection, we’ve got you covered with injectors, manifolds, fuel rails, sensors, and complete performance EFI conversion kits. We’ve also got cold air intakes, fuel pumps, fuel filters, superchargers, turbochargers, nitrous kits, methanol injection kits, hood scoops, and air filters—there’s no excuse for starving...

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Holley Standard Main Jets 122-70

Carburetor Jets, Standard Main, Gasoline, Number 70, Jet Size 0.0735 in., Brass, 1/4 in.-32 Thread, Pair

Part Number: HLY-122-70

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Summit Racing™ Main Jets SUM-200JET70

Carburetor Jets, Gasoline, Brass, 1/4 in.-32, Size 70, Holley, Pair

Part Number: SUM-200JET70

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Holley Carburetor Heat Shields 108-70

Carburetor Heat Shields, Aluminum, .250 in. Thick, Square Bore, Kit

Part Number: HLY-108-70

4.5 out of 5 stars ( 58 )

Estimated Ship Date: Today

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Engine Works Standard Main Jets 11220-70-2

Carburetor Jets, Standard Main, Gasoline, Number 70, Brass, 1/4 in.-32 Thread, Pair

Part Number: EW1-11220-70-2

Not Yet Reviewed

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Mikuni Pilot Jets VM28/486-70

PILOT JETS 4/PK VM28/486 #70

Part Number: MKU-VM28486-70

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Engine Works Standard Main Jets 11220-70

Carburetor Jets, Standard Main, Gasoline, Number 70, Brass, 1/4 in.-32 Thread, Sold as a set of 10

Part Number: EW1-11220-70

Not Yet Reviewed

Estimated Ship Date: Today

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Mikuni Main Jets 4/042-70

HEX MAIN JETS 4/PK #70

Part Number: MKU-4042-70

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Mikuni Main Jets VM11/22-70

ROUND MAIN JETS 4/PK #70

Part Number: MKU-VM1122-70

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Holley Air Bleed Kits 126-70-10

Air Bleeds, Replaceable, Screw-in, Brass, 0.070 in. Diameter, 10 in.-32 Thread, for 4150 HP, 4500 Models, 10-piece, Set

Part Number: HLY-126-70-10

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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aFe Pro 5R Air Filter Elements 70-50003