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...

Showing In Stock Items. Show All 308 Items.

Individual Parts

Part Groups

Results 1 - 25 of 241

Summit Racing™ LS Turbo Header Flanges SUM-670300-200

Turbo Header Flanges, 304 Stainless Steel, 1/2 in. Thick, Chevy GM LS, LSX,, Fits 2.00 in. Primaries, Pair

Part Number: SUM-670300-200

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Nitrous Express 4-Bolt Plate Nitrous Systems for GM LS Engine 20933-10

Nitrous Express 4-Bolt Plate Nitrous Systems for GM LS Engine 20933-10

Nitrous Oxide System, 4-Bolt Throttle Body, 102mm Plate, Wet, +400 hp, 10 lb. Bottle, Chevy, LS, Kit

Part Number: NEX-20933-10

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Nitrous Express 4-Bolt Plate Nitrous Systems for GM LS Engine 20934-10

Nitrous Oxide System, 4-Bolt Throttle Body, 90mm Plate, Wet, +400 hp, 10 lb. Bottle, Chevy, LS, Kit

Part Number: NEX-20934-10

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Nitrous Express 4-Bolt Plate Nitrous Systems for GM LS Engine 20934S-10

LS Single Entry 90mm Plate Hardline System (50-400Hp) W/ 10# Bottle

Part Number: NEX-20934S-10

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Nitrous Express 4-Bolt Plate Nitrous Systems for GM LS Engine 20934-15

Nitrous Oxide System, 4-Bolt Throttle Body, 90mm Plate, Wet, +400 hp, 15 lb. Bottle, Chevy, LS, Kit

Part Number: NEX-20934-15

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Nitrous Express 4-Bolt Plate Nitrous Systems for GM LS Engine 20933-00

Nitrous Oxide System, 4-Bolt Throttle Body, 102mm Plate, Wet, +400 hp, Chevy, LS, Kit

Part Number: NEX-20933-00

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Nitrous Express 3-Bolt Plate Nitrous Systems for GM LS Engine 20935-10

Nitrous Oxide System, 3-Bolt Throttle Body, Wet, +350 hp, 10 lb. Bottle, GM, LS, Kit

Part Number: NEX-20935-10

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Nitrous Express 4-Bolt Plate Nitrous Systems for GM LS Engine 20933-05

Nitrous Oxide System, 4-Bolt Throttle Body, 102mm Plate, Wet, +400 hp, 5 lb. Bottle, Chevy, LS, Kit

Part Number: NEX-20933-05

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Nitrous Express 4-Bolt Plate Nitrous Systems for GM LS Engine 20934-05

Nitrous Oxide System, 4-Bolt Throttle Body, 90mm Plate, Wet, +400 hp, 5 lb. Bottle, Chevy, LS, Kit

Part Number: NEX-20934-05

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Nitrous Express 3-Bolt Plate Nitrous Systems for GM LS Engine 20935-05

Nitrous Oxide System, 3-Bolt Throttle Body, Wet, +350 hp, 5 lb. Bottle, GM, LS, Kit

Part Number: NEX-20935-05

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Nitrous Express 4-Bolt Plate Nitrous Systems for GM LS Engine 20934-00

Nitrous Oxide System, 4-Bolt Throttle Body, 90mm Plate, Wet, +400 hp, Chevy, LS, Kit

Part Number: NEX-20934-00

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Nitrous Express 4-Bolt Plate Nitrous Systems for GM LS Engine 20933-15

Nitrous Oxide System, 4-Bolt Throttle Body, 102mm Plate, Wet, +400 hp, 15 lb. Bottle, Chevy, LS, Kit

Part Number: NEX-20933-15

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Nitrous Express 3-Bolt Plate Nitrous Systems for GM LS Engine 20935-15

Nitrous Oxide System, 3-Bolt Throttle Body, Wet, +350 hp, 15 lb. Bottle, GM, LS, Kit

Part Number: NEX-20935-15

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Nitrous Express 4-Bolt Plate Nitrous Systems for GM LS Engine 20933-12

Nitrous Oxide System, 4-Bolt Throttle Body, 102mm Plate, Wet, +400 hp, 12 lb. Bottle, Chevy, LS, Kit

Part Number: NEX-20933-12

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Nitrous Express 4-Bolt Plate Nitrous Systems for GM LS Engine 20934S-00

LS Single Entry 90mm Plate Hardline System (50-400Hp) W/ No Bottle

Part Number: NEX-20934S-00

Not Yet Reviewed

Estimated Ship Date: Tomorrow

...Loading

Estimated Ship Date: Tomorrow

Nitrous Express 3-Bolt Plate Nitrous Systems for GM LS Engine 20935-00

Nitrous Oxide System, 3-Bolt Throttle Body, Wet, +350 hp, No Bottle, GM, LS, Kit

Part Number: NEX-20935-00

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Nitrous Express 3-Bolt Plate Nitrous Systems for GM LS Engine 20935-12

Nitrous Oxide System, 3-Bolt Throttle Body, Wet, +350 hp, 12 lb. Bottle, GM, LS, Kit

Part Number: NEX-20935-12

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Nitrous Express 4-Bolt Plate Nitrous Systems for GM LS Engine 20934-12

Nitrous Oxide System, 4-Bolt Throttle Body, 90mm Plate, Wet, +400 hp, 12 lb. Bottle, Chevy, LS, Kit

Part Number: NEX-20934-12

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Nitrous Express LS 102mm Plate Conversions NX933

Nitrous Oxide Plates, LS 102mm Plate Conversion, Throttle Body Plate, Longer Bolts, Braided Line, Jets for 50 to 400 Horsepower, Chevrolet, LS, Kit

Part Number: NEX-NX933

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Nitrous Express LS Plate Conversion Kits NX934

Nitrous Oxide Plate, LS Plate Conversion, 90mm, Aluminum, Black Anodized, 1.000 in. Height, Kit

Part Number: NEX-NX934

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

NOS Holley Hi-Ram LS Nitrous Plates 12535BNOS

Nitrous Oxide Plates, Holley Hi-Ram LS Nitrous Plates, Fuel Injected Delivery, Aluminum, Black, Chevrolet, Small Block Gen I, Kit

Part Number: NOS-12535BNOS

Not Yet Reviewed

Estimated Ship Date: May 7, 2026 if ordered today

...Loading

Estimated Ship Date: May 7, 2026 if ordered today

Nitrous Outlet Nitrous Oxide Plate Systems for 2005-2006 GTO - 00-10121-LS2-00

90mm 05-06 GTO Plate System (No Bottle)

Part Number: NXO-0010121LS200

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Nitrous Outlet Hardline Nitrous Oxide Plate Systems for 2005-2007 CORVETTE - 00-10123-LS2-00

90mm 05-07 C6 LS2 Corvette Plate System (No Bottle)

Part Number: NXO-0010123LS200

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Nitrous Outlet Nitrous Oxide Plate Systems 00-10128-10

Nitrous Oxide Systems, EFI Plate, Wet, 200 hp, 10 lb. Bottle, Black Powdercoated, WOT Switch, for 90mm Intake, Chevy, GMC, Small Block LS, Kit

Part Number: NXO-00-10128-10

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Nitrous Outlet Nitrous Oxide Plate Systems for 1998-2002 CAMARO, FIREBIRD - 00-10118-78-10

Nitrous Oxide Systems, EFI Plate, Wet, 200 hp, 10 lb. Bottle, Black Powdercoated, WOT Switch, Chevy, Pontiac, 5.7L LS, Kit

Part Number: NXO-00101187810

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Page 1 of 10
Next