Fits 1974-1979 GM HEI Distributors with E-Clips

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Heavy Springs - Gold

• Brings in timing more quickly than stock for more torque and horsepower
• Includes three sets of springs to allow for a wider range of custom tuning
• Instructions included to help with installation

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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
1974-1975	Buick Apollo
1974-1979	Buick Century
1974-1979	Buick Electra
1974-1979	Buick Estate Wagon
1974-1979	Buick LeSabre
1974-1979	Buick Regal
1974-1979	Buick Riviera
1975-1979	Buick Skylark
1974-1976	Cadillac Calais
1974-1979	Cadillac DeVille
1974-1979	Cadillac Eldorado
1974-1979	Cadillac Fleetwood
1976-1979	Cadillac Seville
1974-1975	Chevrolet Bel Air
1974	Chevrolet Blazer
1975-1979	Chevrolet C10
1974	Chevrolet C10 Pickup
1974-1979	Chevrolet C10 Suburban
1975-1979	Chevrolet C20
1974	Chevrolet C20 Pickup
1974-1979	Chevrolet C20 Suburban
1975-1979	Chevrolet C30
1974	Chevrolet C30 Pickup
1974-1979	Chevrolet Camaro
1974-1979	Chevrolet Caprice
1974-1979	Chevrolet Corvette
1974-1979	Chevrolet El Camino
1975-1979	Chevrolet G10
1974	Chevrolet G10 Van
1975-1979	Chevrolet G20
1974	Chevrolet G20 Van
1975-1979	Chevrolet G30
1974	Chevrolet G30 Van
1974-1979	Chevrolet Impala
1975-1979	Chevrolet K10
1974	Chevrolet K10 Pickup
1974-1979	Chevrolet K10 Suburban
1975-1979	Chevrolet K20
1974	Chevrolet K20 Pickup
1974-1979	Chevrolet K20 Suburban
1977-1979	Chevrolet K30
1974	Chevrolet K30 Pickup
1975-1979	Chevrolet K5 Blazer
1974-1976	Chevrolet Laguna
1974-1979	Chevrolet Malibu
1974-1979	Chevrolet Monte Carlo
1975-1979	Chevrolet Monza
1974-1979	Chevrolet Nova
1974-1979	Oldsmobile 98
1974-1979	Oldsmobile Custom Cruiser
1974-1979	Oldsmobile Cutlass
1978-1979	Oldsmobile Cutlass Calais
1975-1979	Oldsmobile Cutlass Salon
1974-1979	Oldsmobile Cutlass Supreme
1976	Oldsmobile Cutlass Tiara
1974-1979	Oldsmobile Delta 88
1974-1979	Oldsmobile Omega
1977-1979	Oldsmobile Starfire
1974-1979	Oldsmobile Toronado
1974-1975	Oldsmobile Vista Cruiser
1974-1977	Pontiac Bonneville
1979	Pontiac Bonneville
1974-1977	Pontiac Catalina
1979	Pontiac Catalina
1974-1977	Pontiac Firebird
1979	Pontiac Firebird
1974-1975	Pontiac Grand Am
1975-1977	Pontiac Grand LeMans
1974-1977	Pontiac Grand Prix
1974-1977	Pontiac Grand Safari