The Best 454 Exhaust Manifold of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 454 Exhaust Manifold of 2023. Check our ranking below.
2,404 Reviews Scanned
- Ideal replacement - this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles
- Reliable construction - durable materials resist warping, cracking and leaking for long-lasting performance
- Complete repair - includes all necessary gaskets and downpipe hardware
- Trustworthy design - built by industry leader in aftermarket manifolds
- Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
- Upgraded materials - this replacement exhaust manifold is constructed of ductile iron to prevent future warping and cracking
- Complete kit - includes new manifold, manifold gasket, 2 flange gaskets, 3 studs, 3 nuts and 3 springs
- Direct fit - reverse engineered from original equipment for seamless installation
- Quality engineering - designed and tested in the United States
- Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
- [Vehicle Fitment]: Compatible with Chevrolet C1500 1990-1993, C2500/C3500HD/K2500 1991-1995, C2500/K2500 Suburban 1992-1995, C3500/K3500 1988-1995; Compatible with GMC C2500/C3500HD/K2500 1991-1995, C2500/K2500 Suburban 1992-1995, C3500/K3500 1988-1995---Fits V8 7.4L only; Right Side
- [Benefits]: This exhaust manifold set is made of solid metal which can resist heat, cold, warping and corrosion, and restore engine proper operation.
- [Package Detail]: Exhaust Manifold + 1 Manifold Gasket, 1 Flange, 3 Studs, 3 Nuts
- [Reference Number]: The A-Premium Exhaust Manifold Kit's reference number: 674-268, 674268, 10223342, 12523197. Before placing an order, verify that the part is compatible with your vehicle using the compatibility system.
- [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted exhaust manifold. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind.
- 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
- Durable Materials: Crafted from High Stainless steel for longevity.
- Precision Design: Optimizes gas flow, minimizing turbulence and backpressure for better engine breathing.
- Heat Management: Efficiently dissipates heat, reducing thermal stress and prolonging component life.
- Emissions Compliance: Supports modern emission control systems, reducing harmful pollutants.
- Corrosion Resistance: Fabricated using special processes to ensure resistance against corrosion and rust, further enhancing durability and longevity.
Last update on 2025-07-10 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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- Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their 454 Exhaust Manifold.
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