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.
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
Moroso Carburetor Spacer 65030; 4150 Square Bore .830 in. 5 deg Wedge, Aluminum
Edelbrock Carburetor Base Plate Gasket 3899; .063 Fiber Open 4150 Square Bore
