Holley 7/8-20 Thread, Carburetor Fittings

Part Numbers and Sizes

Description Blue Black Clear Chrome
-6 x 7/8-20 Male, Short 491952 491952BL 491952CL 491952CH
-8 x 7/8-20 Male, Short 491948 491948BL N/A N/A
-8 x 7/8-20 Male,2" Long 491957 491957BL 491957CL 491957CH
-10 x 7/8-20 Male,2" Long 491958 491958BL 491958CL N/A
-6 x 7/8-20 Male,3" Long 491975 491975BL N/A 491975CH
-8 x 7/8-20 Male,3" Long 491976 491976BL N/A 491976CH