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...

Individual Parts

Part Groups

Results 1 - 12 of 12

Mikuni Air Cleaners HS42/012-300

HS42 AIR FILTER 3" HIGH PERF

Part Number: MKU-HS42012-300

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Aug 19, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 19, 2025 if ordered today

Mikuni Flange Adapters HS42/062-45K

Carburetor Flange Adapter, 48mm Bore Size, Rubber, Harley-Davidson®, Each

Part Number: MKU-HS42062-45K

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 19, 2025 if ordered today

Mikuni Air Box Adapter Kits HS42/001-K

Air Box Adapter, Air Cleaner Accessories, Aluminum, Natural, Harley-Davidson®, Kit

Part Number: MKU-HS42001-K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Mikuni Air Intake Tube Adapters HS42/001-CHR-K

AIR BOX ADAPTER KIT

Part Number: MKU-HS42001CHRK

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 19, 2025 if ordered today

Mikuni Flange Adapters HS42/062-42K

Carburetor Flange Adapter, 45mm Bore Size, Rubber, Harley-Davidson®, Each

Part Number: MKU-HS42062-42K

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 19, 2025 if ordered today

Mikuni Flange Adapters HS42/062-48K

Carburetor Flange Adapter, 51mm Bore Size, Rubber, Mikuni, HSR-48, Each

Part Number: MKU-HS42062-48K

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 19, 2025 if ordered today

Mikuni Powersports Intake Manifolds HS42/061-45TC

INTAKE MANIFOLD FOR HSR42/45

Part Number: MKU-HS42061-45TC

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 19, 2025 if ordered today

Mikuni Flange Adapters HS42/018-42K

Carburetor Flange Adapter, 45mm Bore Size, Rubber, Harley-Davidson®, Each

Part Number: MKU-HS42018-42K

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 19, 2025 if ordered today

Mikuni Powersports Intake Manifolds HS42/061-45

INTAKE MANIFOLD EVO

Part Number: MKU-HS42061-45

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 19, 2025 if ordered today

Mikuni HSR K&N Air Filters HS42/012

Air Filter, HSR K&N, Round Flanged, Cotton Gauze, Red, Harley-Davidson®, HSR, Each

Part Number: MKU-HS42012

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 19, 2025 if ordered today

Mikuni Flange Adapters HS42/018-45K

Carburetor Flange Adapter, 48mm Bore Size, Rubber, Harley-Davidson®, Each

Part Number: MKU-HS42018-45K

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 19, 2025 if ordered today

Mikuni Air Cleaner Covers HS42/060

Air Cleaner Cover, HS-42, without Cutouts, Steel, Chrome, Mikuni, Each

Part Number: MKU-HS42060

Not Yet Reviewed

Estimated Ship Date: Aug 19, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 19, 2025 if ordered today

Page 1 of 1