2-1/2 Inch diameter x 2-1/8 Inch tall. Replaces OEM GM breather 6421868 on late 1965-1967 GM Big Block.

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This is a high quality original equipment style breather that will give you that original look and is of a high quality. We recommend this for all applications where the original appearance is necessary.

• Chrome Plated Steel
• Internally Baffled With Filter
• Fits Valve Covers With 1.22 In Opening

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Information:

Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles/1967 and older U.S. manufactured Federally Certified vehicles/1967 and older Foreign manufactured vehicle. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street. WARNING: It is against the law to install this part on an Emissions Controlled Vehicle. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle

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Application Summary:

Year	Make/Model
1964-1967	Buick Electra
1965-1967	Buick Gran Sport
1965-1967	Buick Riviera
1965-1967	Buick Skylark
1965-1967	Buick Wildcat
1965-1967	Cadillac Calais
1965-1967	Cadillac DeVille
1965-1967	Cadillac Eldorado
1965-1967	Cadillac Fleetwood
1963	Chevrolet Bel Air
1965-1967	Chevrolet Bel Air
1963	Chevrolet Biscayne
1965-1967	Chevrolet Biscayne
1965	Chevrolet C20 Pickup
1965	Chevrolet C30 Pickup
1966-1967	Chevrolet Caprice
1966-1967	Chevrolet Corvette
1963	Chevrolet Impala
1965-1967	Chevrolet Impala
1965	Chevrolet K20 Pickup
1965	Chevrolet Suburban
1965	Pontiac Bonneville
1967	Pontiac Bonneville
1965-1967	Pontiac Catalina
1967	Pontiac Executive
1965	Pontiac Grand Prix
1967	Pontiac Grand Prix
1965	Pontiac Star Chief