20 Best 1970 Chevelle 454 Exhaust Manifolds of 2023 – Romance University
After hours researching and comparing all models on the market, Romance University finds out the Best 1970 Chevelle 454 Exhaust Manifolds of 2023. Check our ranking below.
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- TWO Exhaust Manifolds for Mercruiser Engines: 454/7.4L and 502/8.2L. Fits 1981 and newer. DOES NOT FIT ENGINE WITH SERIAL NUMBERS THAT START WITH 8M
- Compatible with Mercuiser 807078T10, 807078T09, 807078A6, 807078A4, 807078A2, and 89011A8.CASTING NUMBER 866632-C
- Gaskets have tinged tinplate-reinforcement. These Manifold Gaskets are made from flexible graphite composite reinforced sheets laminated with stainless steel (marine grade) foils. These are NOT cheap paper gaskets!
- These manifolds are the same externally as the factory Mercruiser manifolds but these have 30% internal cooling surface area to reduce exhaust temperatures. See picture for independent test results. These manifolds produced 12HP more over stock manifolds!
- Includes: Two manifolds Two block gaskets Two riser gaskets Two hose elbows
- COMPATIBILITY – Fits GMP Performance V8, 396 (6.5L), 402 (6.6L), 427 (7.0L), 454 (7.4L), 502 (8.2L)
- GET THE RIGHT PART -- Before purchasing, please check the “Amazon Confirmed Fit” bar to ensure this part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes. If the “Amazon Confirmed Fit” bar has an “i” in a blue circle, this product has additional notes. Please hover over the “i” on the bar to see notes before making your purchase
- Performance exhaust header gasket consisting of a high-density fiber facing material attached to both sides of a perforated steel core.
- Inhibits blowout and burnout from high-temperature exhaust and is far stronger than basic paper gaskets.
- Nonstick coating permits motion without damaging the gasket and makes it easier to take off the gasket for future engine service.
- Compatible with or fits: (Note: 350ci; V8 5.7L; 1969 - 1972 Chevy C10 Pickup)
- Compatible with or fits: (Note: V8 5.0L; 307ci; 1969 - 1972 Chevy C10 Pickup 5.0L V8)
- Exhaust Manifold Set
- Review Description to Ensure Proper Fit
- COMPATIBILITY – Fits 1964-1967 Gordon-Keeble GK1; 1964-1967 Gordon-Keeble IT; 1966-1968 Checker Aerobus; 1969-1974 Checker Aerobus; 1969-1974 Checker Taxicab; 1969-1969 Checker Taxicab; 1969-1970 Checker Deluxe; 1969-1969 Checker Deluxe; 1965-1969 Checker
- GET THE RIGHT PART -- Before purchasing, please check the “Amazon Confirmed Fit” bar to ensure this part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes. If the “Amazon Confirmed Fit” bar has an “i” in a blue circle, this product has additional notes. Please hover over the “i” on the bar to see notes before making your purchase
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Good Thermal Conductivity: The copper material has good thermal conductivity and can effectively transfer the heat of high-temperature generated in the exhaust system, helping to improve exhaust efficiency and reduce exhaust temperature.
- High Temperature Resistance: Due to the harsh working environment in the exhaust system, copper gaskets have high high temperature resistance and can withstand high temperature and high pressure exhaust gases without deformation or damage.
- Sealing Performance: As an important component of the exhaust system, gaskets need to have good sealing performance to ensure that exhaust does not leak and ensure the normal operation of the engine.
- Compatibility: This gasket fits Chevrolet V8 Engines-Small Block Chevrolet (SBC), 302 (5.0L) 1967-1969, 305 (5.0L) 1976-2002, Chevrolet Veggie Engine Big Block Chevrolet (BBC) 454 (7.4L) 1970-1976.
- Packing Contents: You will receive two 2.5" three-hole car exhaust manifold interface gaskets. If you have any usage problems, please feel free to contact us directly, we will solve the problem for you within 24 hours on working days.
Last update on 2025-07-04 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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