It’s precision CNC-machined from durable 6061-T6 aluminum. - Carburetor flange: 4150 square bore. - Spacer style: 4-port/4-hole. - Universal fit for engines using a 4150‑style square‑bore 4‑barrel carburetor.
Speedmaster 1” 4150 Square Bore Aluminum Carburetor Spacer
Holley 4150 Square Bore Open Center Non Stick Carburetor Base Gaskets 10 Pack
Nitrous Express NX 15569 Billet WOT Switch & Bracket FOR 4150 Square Bore Carbs
Edelbrock 9265 - Heat Insulator Gasket Open for 4150 Square-Bore - 0.320" Thick
Nitrous Express NP674 Assassin Nitrous Plate Only 4150 Square Bore Aluminum
Edelbrock Carburetor Base Plate Gasket 3899; .063 Fiber Open 4150 Square Bore
