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Choose your Engine for your 1975 Pontiac Bonneville

8 Cyl 6.6L 8 Cyl 7.5L

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Oval/D Port Shape; Port Dimensions W-1.55 in. x H-1.94 in.
Ultra Seal Exhaust Gasket Set; Oval/D Port Shape; Port Dimensions W-1.55 in. x H-1.94 in.;
Ultra Seal Exhaust Gasket Set
Product Attributes:
- Gasket Line: Ultra-seal
- WARNING CA Proposition 65: No
- Port Shape: Oval D-port
- Collector Gaskets Included: No
- Engine Make/Size: Pontiac V8
- Thickness: 0.062 In.
- Port Size: 1.460 In. X 1.930 In.
Features:
- Has A Steel Core With Graphite Facing
- Graphite Facing Has Excellent Thermo-Conductivity
- High Recovery Mat Allows For Better Seal Retention
- Can Be Trimmed For Port Modifications
- Expanded Steel Core For Stability
- These Gaskets Have Slotted End Holes
Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track use.

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1975 - Pontiac Bonneville	V	7456	8 Cyl 7.5L	455

Oval/D Port Shape; Port Dimensions W-1.55 in. x H-1.94 in.
Ultra Seal Exhaust Gasket Set; Oval/D Port Shape; Port Dimensions W-1.55 in. x H-1.94 in.;
Ultra Seal Exhaust Gasket Set
Product Attributes:
- Gasket Line: Ultra-seal
- WARNING CA Proposition 65: No
- Port Shape: Oval D-port
- Collector Gaskets Included: No
- Engine Make/Size: Pontiac V8
- Thickness: 0.062 In.
- Port Size: 1.460 In. X 1.930 In.
Features:
- Has A Steel Core With Graphite Facing
- Graphite Facing Has Excellent Thermo-Conductivity
- High Recovery Mat Allows For Better Seal Retention
- Can Be Trimmed For Port Modifications
- Expanded Steel Core For Stability
- These Gaskets Have Slotted End Holes
Manufactured from high-temperature steel core/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate gasket failure. Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities. High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications. For original equipment replacement, high performance street, drag race and oval track use.

This Part Fits the Following OEM/Substitute Numbers:

1424

Additional Fitment Information:

Vehicle	Block	CC	Engine	CID
1975 - Pontiac Bonneville	V	-	8 Cyl 6.6L	400

Includes 1 Pair Head Flange Gaskets/1 Pair 2.5 in. Exhaust Collector Gaskets/1 Pair 3 in. Exhaust Collector Gaskets; 1 Pair Full Length Header Gaskets
Header Gasket Set; Includes 1 Pair Head Flange Gaskets/1 Pair 2.5 in. Exhaust Collector Gaskets/1 Pair 3 in. Exhaust Collector Gaskets; 1 Pair Full Length Header Gaskets;
Header Gasket Set
Product Attributes:
- Gasket Line: P73 Ferroglass Non-asbestos
- WARNING CA Proposition 65: No
- Port Shape: Oval
- Collector Gaskets Included: Yes
- Thickness: 0.062 In.
- Port Size: 1.500 In. X 1.820 In.
Features:
- Engineered For A Precise Easy Fit
- P73 Ferro glass Non-Asbestos Facing Material
- Mechanically Clinched To A Perforated Metal Core
- Superior Sealing And Strength
- Inorganic Filler system
Replacement Header Gaskets for 283-400 Small Block Chevy full length headers. Kit consists of (2) Header flange gaskets and (2) 3 collector gaskets and (2) 2.5 collector gaskets