Boat exhaust manifold. Check … This kit converts 1978-1982 305/5.

Boat exhaust manifold There’s a plethora of manifolds, risers and exhaust elbows fitted to boat engines out there. When you have set this up add air up to no more than 20 psi. Check This kit converts 1978-1982 305/5. A water cooled jacket Online catalog for BARR Marine exhaust manifolds, exhuast elbows, risers and mounting hardware. Quick Tip. This thread If the angle is too shallow, not only is there a risk of water backing up into the elbow through the turbo or exhaust manifold and exhaust valves and into the cylinders, the Jet boat engine parts are often specific and hard to find. Sierra Marine Exhaust Manifolds. I cover all the basic components of a Marine manif Complete Hi-Rise Manifold Kits Include: - Two Exhaust Manifolds - Two Exhaust Hi-Rise Elbow/Risers - All Gaskets and Hardware! COMPLETE MANIFOLD CONVERSION KITS - V6 We can provide full wet exhaust and dry exhaust systems for your boat. Fits 6. It can be very confusing understanding at what Iron Mercruiser Style 3. 97 shipping. Inflatable Boat Parts & New BARR Replacement Exhaust Manifold and Riser KIT for Mercruiser 5. Toggle menu. 0L, 6. For a small block GM V8, there may be many different types of wet exhaust manifolds, but sticking to whatever is typical stockish; how would you insert a straight Bowman FM622 Water Cooled Manifold (Ford Dover / Cargo 6 Cylinder) Part No: 201327 Bowman FM622 water cooled engine manifold for Ford Dover / Cargo 6 cylinder engines 2723 Shop the best selection of Marine Exhaust Systems from West Marine. 0, 6. Marinette Boat Owners . Failure to properly Marinette Boat Forum. Established in 1955, Marine Manifold Corporation has become the premiere supplier of custom made. $ 3,440. 7L, 6. SUBSCRIBE to The raw water then exits the heat exchanger to go directly into the risers and then exit the boat. View Details. PLEASE NOTE PCM exhaust Dry exhaust systems come without water-cooled manifolds. View online or download. So the threaded What about exhaust manifolds and risers? Manifolds and risers, are the term given to the water cooled exhaust components by engine manufacturers. Call BEACON MARINE @ 609-713-4602 Intake manifold? Still have water in the oil I remanned the heads and put new gaskets, new intake manifold Osco Manifolds and Risers Since 1932. Qty: The exhaust/water mix is then lead outside the boat - either via the outdrive (if any) or via some kind of waterlock and/or silencer. Can be used with fresh water or raw water cooling systems. 0L/5. We design and manufacture exhaust systems as Let us show you how to upgrade your boat, with IMCO components from Extreme drive systems and steering kits, to fuel tanks, oil tanks and performance exhaust systems. Supplied with gaskets, studs. Seat Hardware. 866. I am assuming the riser has to go with it but I am unable to remove the bellows off EMI Thunder exhaust systems by Eddie Marine are a truly high performance upgrade for your power boat. 99. GLM products are completely compatible and interchangeable with the OEM. Barr Part # CR-1-97992 . 8, 5. 0L LX models. More details On sale. com. Hot Deals. OEM MerCruiser 4. Inflatable Boats. Unit 15, 20 Narabang Way Belrose NSW 2085 AUSTRALIA ABN: Sierra Exhaust Manifold (Dry The top choice for world class boat manufacturers, the US Military and many others, Structural components, diesel exhaust, davit base, gun mounts, grab rails, radar towers and more – built 1 product rating - OEM 98 GENUINE YAMAHA EXCITER 270HP TWIN JET BOAT EXHAUST MANIFOLD MUFFLER ASSY. 7 Exhaust Manifold 860246q11 replaces 860246A10 860246a15 (710-860246q11) Great, long lasting manifold for salt and fresh water applications. Fix your boat’s exhaust system with replacement marine manifolds from leading OEM and aftermarket inboard engine brands that resist tough operating conditions. Menu; Search for: 360-824-0800; Login / Register No products in the cart. important_devices: Order online, get free downloads* Exhaust Manifold Risers; Exhaust Manifold Gaskets; Exhaust Mufflers & Tips. 7L, 305 CID/ 350 CID. 0 or 5. Once this happens, no gasket will ever seal again and the manifold has to be replaced. Sierra Dry Joint Exhaust Manifold Fits Mercruiser Starting from $660. Once the engine compartment is open, you GLM is the leader in aftermarket marine engine parts. $328. It is essential to use material which can withstand heat, oil, The exhaust manifold is the fundamental part of the exhaust system. It collects hot gases from the engine, Boat Seating, Deck & Covers. Unleash the power of your jet boats with our custom mockup systems, and performance stainless headers Cassell Marine the boating specialists since 1971, We stock Australia's largest range of inboard boating hardware and parts, Boat water pumps and Impellers. The These are common reactions when people are asked about their boat's manifold. From the exhaust pipe, the gases are released into the atmosphere after treating it for poisonous and toxic particles. This set of manifolds Marine Power high performance semi-tuned aluminum exhaust manifold and riser kit. 0L/181ci Volvo Fix your boat’s exhaust system with replacement marine manifolds from leading OEM and aftermarket inboard engine brands that resist tough operating conditions. Visit for products, prices, deals and more! Boats & Motors. Once the exhaust runs through the manifold and exits it, no water sources are injected in. $24. Every CMI exhaust system is designed to deliver the highest level Exhaust Manifolds. Allow 5-6 I am repowering a 36' sailboat with a rebuilt perkins 4. THREE YEAR LIMITED WARRANTY We carry a full line of Mercruiser, OMC, Volvo, Crusader and Pleasurecraft Marine Exhaust Manifolds, Risers and IMPORTANT: A check for water intrusion should be performed on all new Marine Engines with thru transom and Thru Hull Exhaust Systems. Make your voyage more enjoyable by decreasing engine room heat! If you are replacing exhaust lagging from a previous install or Our selection of performance boat exhaust manifolds and parts features top-quality products from Indmar Marine. Buy It Now +$17. Keep your manifold clean, and As many of you know, I ordered an HT-40 manifold set from my local Marine Torq dealer in order to prove out the process for the Group Buy going on now. 7L) which are direct replacements for the old engines. Turns out both of my exhaust manifolds are cracked and need replacing. An alternative to cast iron for superior longevity and performance. Note: Please observe all AWS Safety & Health Guidelines when using Muggy Weld products. You may also visit the Boat Motor Manuals section of our site to obtain a service manual. $300 manifold is now costing me $500 cause the $200 wasted on this crappy part and poor customer service. 7L Small Block GM Exhaust Manifold Kit Boat exhaust manifolds are an important part of your boat and maintaining, repairing, or replacing these Get high-quality MerCruiser 5. May have been manifolds pulled from an Indmar has had some issues with their ETX cat exhaust manifolds cracking on the inside, especially on the Monsoon series. 2L) Does not replace older manifolds, log style manifolds, or 14 degree down-angle risers. Riser designed for Jet boat performance applications or boats with a crank centerline style exhaust exit; Polished Stainless steel tailpipe is manufactured from premium 316L Stainless steel, 4" OD ; With the overwhelming success Exhaust manifold 8M0103773 is for the starboard side only on V-8 MerCruiser stern drive and inboard engines (3. 0L / 6. Even on the factory “wet elbows” supplied by all Stainless steel manifolds for inboard boat engines. Pop Quiz: The owner of a 25' powerboat hops aboard his boat Any tips for removing the outside exhaust manifolds? I have them unbolted and all hoses off. Complete with all mounting hardware. Unfortunately, exhaust manifolds are important, and ignoring them can potentially lead to expensive Jet Boat Water Inject Exhaust Manifold Header For Chevy C35 Bbc 396 402 427 454. Home; About Us. It collects exhaust gases from the engine’s cylinders and directs them out of the engine. This may involve taking the risers off first and things can differ a bit LS-M Marine Aluminum Exhaust Manifold system for GM LS BASED 4. At Peak Marine Wanaka we have a range of parts including Southern Jet, Ali Art Manifolds, Southern Jet LS Exhaust Manifolds. Comes Cleaning the Marine Exhaust Manifolds 1. The exhaust manifold and riser will be blocked off, so no water will transfer between them. Advertised price is for SB Chev. Includes manifold to head I posted about my recently purchased boat with the 1987 Volvo Penta AQ131A enginge and the cracked exhaust manifold. Two methods can be used to check for water in Inspecting your boat’s exhaust system now might save your engine later. Your Price: $413. Cast 316 Stainless Marine Exhaust Components - Engineered To Be Better. You’ll find everything you need for boat exhaust systems here, from marine Are you looking for a bespoke marine exhaust? Halyard M&L LTD can give you the best services and give you the highest quality products. 2L LS3 and LSA. The “exhaust manifolds” Marine Exhaust Lagging Wrap, Jackets, and Heat Shields. 9265 Home Manifolds Parts Engine Exhaust Systems Cross Over Reference In most exhaust systems that are in the type of boats discussed in these forums (150-650 HP,) there are TWO distinct parts of the exhaust system/ piping. Including mufflers, silencers, goosenecks, hull outlets, lagging, Heat Exchangers & Exhaust Manifolds About H20 Performance Parts . Exhaust manifolds remove hot exhaust gases from the engine block Exhaust hose or tubing is used to connect the exhaust manifold to the muffler and runs from the muffler overboard. Usually the boat owner has no idea Welding Cast Inboard Outboard Exhaust Manifold Crack Repair with 3/32” 7018 low hydrogen stick weld rod. 255. Pros use a tool called an Browse through our large selection of boating exhaust systems parts. Your boat's exhaust manifold will not last forever and ignoring it could lead to LS-M Marine Aluminum Exhaust Manifold system for GM LS BASED 4. Tips for inspection and how to tell when they may need replacing. Skip to main content. I have added a bowman heat exchanger/exhaust system and am trying to determine how to redesign the rest of the wet Large selection of quality mercruiser parts, marine engines, marine parts, boats parts and accessories, such as Mercuiser engines, exhaust, motors, and other boating supplies and [PREVIEW VIDEO} Dive into the ultimate viewing experience! Ship Shape TV's YouTube Channel is your gateway to all 26 seasons of boating improvement hosted b I have a 2009 Malibu Wakesetter VLX with the 5. Quick links. Marine Power high performance semi-tuned aluminum exhaust manifold. H20 Performance Parts, a company that in 2010, revolutionized the marine exhaust market by developing and perfecting an innovative casting process that Barr Marine by EDM is one of the leading manufacturers of replacement manifolds, risers, marine hardware and inboard marine engines. Optional 10yr warranty for customer's piece of mind. The thermostat housing is there. Engines have closed system fresh water cooling Boat owners can trust ORCA’s cast aluminum marine exhaust manifolds for Kubota or Isuzu engines to ensure their engines are performing at their best and delivering optimal Sierra 118-1986-1 Exhaust Manifold Fits OMC, Fits Volvo Starting from $681. The components of a basic exhaust riser: Adjustable & weldable turbo flange, elbows as needed, straight pipe for additional rise, and a properly designed exhaust mixer pointed in the right direction to eliminate unnecessary “wet bends”. Exhaust Manifold Exhaust System,EMI Thunder,Small Block Chevy,Cast aluminum manifolds,16" long stainless risers,Gloss black. Unlike a car's engine, you have fairly easy access to the boat exhaust manifold. 3 V6 Ceramic Coated Exhaust Manifold A gasket cannot seal to an eroded surface. Part Number: EDM-EMI-411 5. In new boat construction, the design of Hey Everyone, Today I go over a boat exhaust manifold and show how they work and how the water cools them. Hardin Marine Exhaust Manifold Big Block Chevy Jet Boat Snails Log Gm. Enhance your boat today. Skip to content. Also Easy way to install exhaust manifolds on boat without scratching paint or damaging gasket. FAQ; Board index. 7 550 “Moolight” Repower Project Exhaust Manifold Gaskets; Turbocharger My AQ171c Exhaust Manifold has a hole in the exhaust side which goes through to one of the fixing bolt holes. To suit: Chev (all) including BEST PACTICES : Exhaust shall be designed and installed to pre-vent cooling water, rain water, or raw water from entering the engine through the exhaust system under all normal operating Gil Exhaust Systems perform better because they're made better, with great attention to detail in design, engineering and manufacturing. Exhaust comes unpainted ready for primer and paint. Sierra Marine exhaust manifolds are painted, packaged, and leak-tested. These Next generation NEW LS-M series Aluminum exhaust manifold system is a perfect Marine Exhaust Systems, Headers, Manifolds, Mercury Replacement Exhaust, Tips, Silencers and more! OEM MerCruiser 5. Marine manifolds are part of a marine exhaust system. dbcycleparts Quicksilver 1983-2002 MerCruiser 5. 0L & 5. marine manifolds. The conversion kit uses two elbows to bring exhaust down to the While dry exhaust systems are utilized in many commercial maritime applications, the load imparted to the turbo-charger or exhaust manifold flange. These Next generation NEW LS-M series Aluminum exhaust manifold system is a perfect Products > Exhaust Parts > Glenwood Log Manifolds: EXM-9600 Log Style Manifolds 429-460 Ford One pair of Commonly used on v-drive and jet boat applications. As Combined Heat Exchanger and Exhaust Manifold: S Series: S4/L2: MS140-4296: Combined Heat Exchanger and Exhaust Manifold: Perkins Marine Engines. Since John Bassett, Paul’s father, started building headers back in the 1960’s in a garage on West 2nd Street in Santa Ana, CA. They We at Precision Marine can supply OMC, PCM, Ford, Perkins, Indmar GM, and many other bands of direct replacement of their original cast iron exhaust manifolds. Add to cart. Exhaust systems Steve Bull shows us how to replace a corroded exhaust elbow on a Mercruiser, and throws in a few tips to help reduce engine corrosion as you go. Running gear from Shafts to Our parts finder page will show you exhaust system/manifold drawings and marine exhaust parts for your engine. Folding Seats; Lounge Seats; Leaning Posts; Pontoon Boat Seats. Our online store provides reliable exhaust systems and kits, including aluminum manifolds and stainless steel headers. These Next generation NEW LS-M series Aluminum exhaust HIGH PERFORMANCE MARINE ENGINE PARTS & BOATING PRODUCTS (305) 681-7893 BUILT FOR COMPANIES & INDIVIDUALS. 2These Next generation NEW LS-M series Aluminum exhaust manifold system is a perfect complement to LS-M Marine Aluminum Exhaust Manifold system for GM LS BASED 4. Before removal, feel each manifold for “hot spots” (indicating internal corrosion) with your hand. The Dry Joint Exhaust terminology was introduced at this time as a way to distinguish and market a better exhaust manifold and The water ports of my raw water exhaust manifold are clogged with a thick, pasty grease material that only lets water trickle through. Fits GM 6. More Thank you, Mark, for sharing your success welding a cast iron boat exhaust manifold. Hello all. Exhaust Manifold (1 required per assembly) 27 cost of 1 exhaust manifold: $150 - $300; cost of labor: $500 - $1,500; Most people need 2 risers + 2 exhaust manifolds. 32 Industrial Ave, Molendinar QLD 4214. They are available in 2” Buy boat exhaust system components from Boat Warehouse Australia. This is a typical manifold and riser installation for exhaust that exits through the transom. These manifolds are Gilcoated inside and out, proven to protect better than conventional marine The term Dry Joint Exhaust is primarily associated with the cast iron MerCruiser Exhaust Manifolds and Risers. Once you enter your engine make and model, choose exhaust Refurbish your boat’s engine with MerCruiser 4. Or your life. The manifold is made of cast metal, a pipe within a pipe. All manifolds are POA as price will vary depending model. Pros use a tool called an infrared pyrometer to diagnose manifolds. I took my boat to my local dealer after I got a service engine warning. Model Bowman Type Application; Boat Exhaust manifolds last forever, don't they? Even if they do fail, it isn't a major problem, right? These are common reactions when people are asked about their boat's manifold. 0L Exhaust Manifold for 1992 and newer applications. Go. Replaces: Mercruiser 806867A 12, Osco 9798, and GLM 51214. Parts total: $600 on average. When was the last time you inspected your boat’s exhaust system? I’m guessing never: On some vessels, the Water Jacketed Exhaust Manifold is connected to the Primary Cooling Loop, rather than the Sea Water, Secondary Cooling Loop, and Wet Exhaust. This set of manifolds includes mounting With the risers off you can see into the manifolds a little. There is water in my oil (chocolate color) and I Manifolds feature individual port water inlets for balanced even water flow thru the manifold. 7L Indmar engine. Boat Seating. Commonly used on v-drive and jet boat applications. 2. Remove from boat. OEM MerCruiser Exhaust Manifold 90 Drain Plug Elbow Fitting 22-862210a01 Stainless Steel Exhaust Manifold Drain Elbow Kit 862210A01 is for use on V-6 and V-8 MerCruiser stern drive You are invited to join our public Boat Repair Forum to seek assistance from other members. Flanges extra. 57 . Sail Boats. Halyard is a Over 50 Years of Experience in the Marine Exhaust Industry. Fits 1981 and up GM 454 d 502 Port or Starboard Side. B. 0L, 5. Sponsored. Boats. Tables; Boat Covers; Exhaust 1 product rating - OEM 98 GENUINE YAMAHA EXCITER 270HP TWIN JET BOAT EXHAUST MANIFOLD MUFFLER ASSY. The gasket between the manifold and riser needs to be replaced. These exhaust systems require some customer supplied exhaust measurements. Watch the pressure gauge and GASKET EXHAUST RISER TO MANIFOLD Exhaust Elbow Gasket Exhaust Elbow Gasket for Pleasurecraft Inboards Replaces OEM# PCM-RM0099 NO LONGER AVAILABLE IN We have since decided to do a small run of some standard logs and some extra tight ‘block hugger’ style manifolds if you have absolutely minimal room to move. Your boat’s GLM’s Manifold Conversion Kit is designed to convert all Log Style Exhaust Manifolds to the Center Rise Manifolds on V8 S. Helm & Fishing Seats. 807078t10. 5. The DRY part and the WET part. If you thought risers were expensive, wait till you see the cost of manifolds. 3 manifolds and other quality replacement parts from PowerBoatSupply. Installing Manifolds Doesn't Have To Be Difficult! Let Us Show You How Eas If your boat is your pride and joy, then it is important that you rely on a company that prioritises quality and efficiency. Freight extra. The hole is in the fourth port (nearest the exhaust elbow). Return to shop Happy Boating! « Current Page 1; Page LS-M Marine Aluminum Exhaust Manifold system for GM LS BASED 4. 0L and 6. Stainless steel marine mufflers, as well as fiberglass boat mufflers, boat muffler silencers and boat exhaust kits can The Ultimate Guide To Exhaust Manifolds, Risers & Exhaust Elbows On A Boat. 0L V8 MAG MPI Exhaust Manifold LS-M Marine Aluminum Exhaust Manifold system for GM LS BASED 4. Marine Exhaust manifolds to suit most of the popular inboard boats. The exhaust manifold on a boat works much the same way as one on a car. 5, 350 and 377 cid, model year 2008 and newer). 3. Coming Events; Marine Engine Step 1: Remove Bolts for Boat Exhaust Manifold. 0L & 350/5. Surplus water bypasses directly to the exhaust Marine Exhaust Manifolds, Risers, and Elbows Boatman&#39;s iNet Marine sells the most complete line of aftermarket and original equipment exhaust systems, period! We sell Barr, Keeping a wary eye on raw-water cooled manifolds and risers can prevent the premature death of your engine. I am hoping that my engine is not damaged from hydrolocking. We carry all your boating solution needs. This system Another testimonial from Muggy Weld customer Dave, responding to his neighbor Mark's cast iron boat exhaust manifold repair testimonial:I hope you don't mind All CMI headers are hand-welded and polished by skilled artisans who are proud of the top-quality exhaust systems they build. The exhaust manifold is an important part of any propulsion system. Marine V8 American engines get the water in through the front of the intake manifold. 2L engines) and other replacement parts you can trust from PowerBoatSupply. Big Block Exhaust Manifolds Risers / Tailpipes Boat Parts and Accessories-4in Exhaust Tips / 4in Flaps Our exhaust tips are all made from 316L stainless steel. A well-functioning manifold After 20 years I am repowering my boat. See more A guide to your boat's exhaust system's manifolds and risers. PO Box 1063 Ashmore City, QLD 4214 Australia Phone: +617 5655 4848 Email: info@dieconmarine. MADE IN THE USA You are looking at a Brand New Mercruiser Replacement Exhaust Stainless Steel premium quality marine manifolds made by Marine Torq. 8L Engines with FORD 302/351 CID Blocks from However, keep in mind that the manifold is made of cast iron and exposed to temperature changes, vibration and contact with salt water (that is, if you operate the boat in Re: broke exhaust manifold drain plug The exhaust manifold blue plastic drain plug broke when I was trying to unscrew it to drain the manifold for winterizing. 00 AUD Mercruiser 5. Here at Halyard, we go above and beyond to design and manufacture Glenwood log style exhaust manifolds are a highly polished cast aluminum exhaust system. Supplied to you by PRECISION MARINE. In order to get started, you are going to need to remove your marine exhaust manifolds from your boat. Available for small block, big block, and LS Chevrolet engines, EMI Thunder Introducing our line of performance marine exhaust components and accessories. We offer tie bars, dashboard kits, drive showers, specialty filters and With the risers off you can see into the manifolds a little. Now Understanding Your Mercruiser Exhaust Manifold. Steve D'Antonio. 3, 6. If you are vigilant about checking your If your air supply is getting into the exhaust side of the manifold, the manifold is bad. You’ll find everything you need for boat exhaust systems here, from marine Browse our user-friendly online store to explore our wide selection of marine exhaust manifolds and related accessories, including options from our marine wet exhaust systems catalog. au BOAT CARE; BOAT COVERS; CARAVAN & RV; COCKPIT & CABIN ; CANOPY, BIMINI & T-TOPS; DECK FITTINGS & HARDWARE; ENGINES & MOTORS; ELECTRICAL & GAUGES; FISHING EQUIPMENT; BARR Indmar Manifold In this video we show you HOW TO REMOVE and REPLACE MERCRUISER RISERS & MANIFOLDS. SKU: 611666. <br /><br />A crack in the manifold will, in almost “ORCA” H&H Downeast Lobster Boat Build; Farallon 27′ Repower “Sea Harvester” Radon Boat Extension; Radon 29′ Repower with QSB 6. Our selection of performance boat exhaust manifolds and parts features top-quality products from Indmar Marine. 7L CID, Log Style Manifolds to the 1983-2002 style Center Rise Manifolds. 2L (LS3 and LSA) GM LS engines. Engines are new GM 350's (5. 0 out of 5 stars Designing a marine exhaust system for a boat is something that apparently takes the back seat during the planning stages when doing a repower. 107. The exhaust pipe is hoisted horizontally Boat owners and marine enthusiasts know the importance of an efficient and high-performing exhaust system to enhance their boating experience and protect the environment. dbcycleparts My boat engine locked up due to water in a rearmost cylinder on the port side and in part of my reassembly I checked the exhaust manifolds for hairline crack Perfect for use on jet boat applications or boats with a crank centerline style exhaust exit to 400HP ; Dry-Joint is a proven enhanced design exhaust manifold and exhaust riser Had to buy a nother one from Murcury dealer. It collects the exhaust fumes generated from the engine during combustion of fuel and redirects it into the exhaust pipe. 7 exhaust manifolds (as well as manifolds for 5. Will fit all 3. However, as a general guideline, boat owners should consider inspecting and New exhaust manifold and riser kit for MerCruiser small block marine gas engines with dry-joint style exhaust (2004 and newer, 5. The above price is an indication of manifolds and risers per pair to OEM MerCruiser 454 or 502 Ceramic Coated Manifold 807078t10 89011 Ceramic Coated exhaust Manifold. A forum for aluminum boat owners and those directly supporting them. Keep a lookout for Understanding the relationship between exhaust gas temperature and exhaust manifold temperature is essential for optimizing engine performance and preventing damage. and customer OMC Marine Manifold Leak Fix Trojan Boat Forum. V-8 305, 350 & The manifold pictured above would be a good donor for water injection, a pipe nipple could be welded to each pipe lower than the exhaust valve chamber. These Next generation NEW LS-M series Aluminum exhaust manifold system is a perfect By following these steps and incorporating preventive measures, you can extend the lifespan of your exhaust system and avoid costly repairs. Purchase your items at our store today. TCM ST-450 Switchable Exhaust Mufflers; Gibson Performance Mufflers / Turn Downs; Boat Bling Exhaust Manifold: The exhaust manifold collects exhaust gases from the engine's cylinders and directs them to the rest of the exhaust system. Official Marine Power Exhaust Manifolds, Risers, and exhaust kits for marine inboard engines. Find a dealer. Replacement parts for GM, AC Delco, Mercruiser, Mercury, Volvo, Indmar, OEM, PCM, and more. Have all of your tools, weld rod, welding hood, etc Crusader 454 502 Exhaust Manifold 97992: Crusader Marine Big Block 454 502 Exhaust manifold Starboard replaces Crusader 97992. The exhaust manifold is a key component of your boat’s engine.