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Mr. Gasket Ultra-Seal Header Install Kit 7650G

Mr. Gasket Ultra-Seal Header Install Kit 7650G
$48.99 ea
NEWARRIVING SOONEstimated Ship Date 05/20/2024 (If Ordered Today)9 Available from HOLLEY PERFORMANCE PRODUCTS as of 04/29/2024
Model: 4012275
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
STANDARD
DELIVERY
Header Installation Kit - Chevrolet V8 1955-91 265-400 Square Port. Includes gaskets and fasteners necessary for header installation. Made using premium Ultra-Seal exhaust and collector gaskets. Mr. Gasket header and collector bolts deliver necessary clamp-load to seal flange mating surfaces.
Features:
  • Square Port Header Gaskets
  • Port Size 1.45" x 1.48"
  • Collector Gaskets 3.00" Diam. 3-Bolt Style
  • Includes Header Bolts & Collector Bolts

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine Fitment Notes
Buick Skylark 1977 5.0L / 305 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Buick Skylark 1978 5.0L / 305 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Buick Skylark 1979 5.0L / 305 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Chevelle 1964 5.3L / 327 / V8
4.6L / 283 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Chevelle 1965 5.3L / 327 / V8
5.4L / 327 / V8
4.6L / 283 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Chevelle 1966 4.6L / 283 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Chevelle 1967 5.3L / 327 / V8
5.4L / 327 / V8
4.6L / 283 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Chevelle 1968 5.3L / 327 / V8
5.4L / 327 / V8
5.0L / 307 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Chevelle 1969 5.0L / 307 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Chevelle 1970 5.0L / 307 / V8
6.6L / 400 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Chevelle 1971 5.0L / 307 / V8
6.6L / 400 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Chevelle 1972 5.0L / 307 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Chevelle 1973 5.0L / 307 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1964 4.6L / 283 / V8
5.3L / 327 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1965 4.6L / 283 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1966 4.6L / 283 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1967 4.6L / 283 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1968 5.4L / 327 / V8
5.0L / 307 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1969 5.7L / 350 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1970 5.7L / 350 / V8
6.6L / 400 / V8
5.0L / 307 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1971 5.7L / 350 / V8
6.6L / 400 / V8
5.0L / 307 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1972 5.7L / 350 / V8
6.6L / 400 / V8
5.0L / 307 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1973 5.7L / 350 / V8
6.6L / 400 / V8
5.0L / 307 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1974 5.7L / 350 / V8
6.6L / 400 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1975 5.7L / 350 / V8
6.6L / 400 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1976 5.7L / 350 / V8
6.6L / 400 / V8
5.0L / 305 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1977 5.7L / 350 / V8
5.0L / 305 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1978 5.7L / 350 / V8
5.0L / 305 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1979 5.7L / 350 / V8
5.0L / 305 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1980 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1981 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1982 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1983 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1984 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1985 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1986 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet El Camino 1987 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Laguna 1973 5.7L / 350 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Laguna 1974 6.6L / 400 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Laguna 1975 6.6L / 400 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Laguna 1976 6.6L / 400 / V8
5.7L / 350 / V8
5.0L / 305 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Malibu 1964 5.3L / 327 / V8
4.6L / 283 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Malibu 1965 4.6L / 283 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Malibu 1966 4.6L / 283 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Malibu 1967 4.6L / 283 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Malibu 1973 5.0L / 307 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Malibu 1974 5.7L / 350 / V8
6.6L / 400 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Malibu 1975 5.7L / 350 / V8
6.6L / 400 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Malibu 1976 5.0L / 305 / V8
5.7L / 350 / V8
6.6L / 400 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Malibu 1977 5.0L / 305 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Malibu 1978 5.0L / 305 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Malibu 1979 5.0L / 305 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Malibu 1980 5.0L / 305 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Malibu 1981 5.0L / 305 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Malibu 1982 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Chevrolet Malibu 1983 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Oldsmobile Cutlass 1978 5.0L / 305 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Oldsmobile Cutlass 1979 5.0L / 305 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Oldsmobile Cutlass 1980 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Pontiac Grand Prix 1978 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Pontiac Grand Prix 1979 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Pontiac Grand Prix 1980 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Pontiac Grand Prix 1983 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Pontiac Grand Prix 1984 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Pontiac Grand Prix 1985 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Pontiac Grand Prix 1986 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Pontiac Grand Prix 1987 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Pontiac LeMans 1977 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Pontiac LeMans 1978 5.0L / 305 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Pontiac LeMans 1979 5.0L / 305 / V8
5.7L / 350 / V8
HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;
Pontiac LeMans 1980 5.0L / 305 / V8 HEADER INSTALL KIT; INCL. HEADER EXHAUST/COLLECTOR FLANGE GASKET/HEADER AND COLLECTOR FLANGE BOLTS; SQUARE PORT; SMALL BLOCK;

Specifications:

Collector Diameter 3.00 inch
Collector Gaskets Included Yes
Emission Code 5
Engine Chevrolet Small Block Gen I
Gasket Line Ultra-Seal
Material Ultra-seal
Part Type Exhaust Header Gasket
Port Shape Square
Port Size 1.45" x 1.48"
Product Type Header Install Kit
Proposition 65 www.P65Warnings.ca.gov
Thickness .062"
Warranty Limited 90 Day Warranty TX, Limited 90 Day Warranty
Weight 1.7500

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Mr. Gasket Ultra-Seal Header Install Kit 7650G:
Chevelle Depot 2024