Made of high heat and fuel resistant gasket material for durability and long life for square bore 4bbl carburettors The Square Bore Carburetor Gasket with 1/16" thick, Fits most popular and classic engines from GM (Chevrolet, GMC, OLDS, Cadillac, Pontiac, Buick, Ford) and Mopar (Chrysler, Dodge, Plymouth). For small and large engines with Holley Edelbrock Cart carburetors such as 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 400 413 426w 440 455 330 326 engine gasket Compatible With Edelbrock 1406 1405 1409 carburetor base gasket, Holley 4150 4160 carburetor base gasket Fit For Holley Carburetor Base Gaskets 100% SATISFACTION GUARANTEE: If you have any questions, please contact our customer service staff in time, we will make sure you have a happy shopping experience. This is a premium carburetor gasket made of high temperature and oil resistant gasket material for durability and longevity for square bore carburetors 10-pack. For small and large engines compatible with Holley 4150 Edelbrock Performer carburetor and Cart carburettors Fit For Holley Carburetor Base Gaskets