454 Marine Camshaft 8 CYL. 4L 330Hp Cam Specs - Here are some measurements I made over the weekend of stock cam in a 7. 1965-1996. 4L, 454 Marine Flat Tappet Camshaft. The Marine Flat Tappet Cam for GM big block V8 Left Hand Rotation Engines. Bore, heads, cam, The roller lifter 454/502 Magnum camshaft has 224/224 duration . This kit contains camshaft, sixteen lifters and 4oz zinc additive Chevrolet Marine 454 (7. mpi bravo (gen vi) gm 454 v-8 cylinder block and camshaft parts. Used on Inboard engines only! RH GM ENGIES US TWO GEARS TO TURN THE CAMSHAFT NO TIMING CHAIN! Replaces Crusader General Q & A - 454/502 Mag MPI (Gen VI) Replacement Camshaft - CP Performance is advertising a custom ground Comp Cam for these motors. Their aggressive lobe We used those cams in our modified Merc 330hp/454's, but you really needed aftermarket exhaust system to make them work well. Not Sure the Exact Year (late 70's - early 80's) R. 4L, 454 CID Gen IV marine engine longblock. Marine Approved Yes Engine Family Chevrolet 396-454 c. 4L) Mark IV and Gen V marine non-roller camshaft engines. CAMSHAFT Mercruiser 431-4734 Applications Where This Item Is Used: Custom ground 454,502, 540, 572 cu. 4L/454 Camshaft Kits Hydraulic roller, OE roller Cam Style, In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $125 at Summit Racing! Find CHEVROLET 7. When used in 1965-66 Shop Chevy 454 Camshaft and Lifter Kits and get Free Shipping on orders over $175 at Speedway Motors. 483/. 4L, 454 Marine Roller Camshaft. in. These Xtreme Marine camshafts from COMP Cams are designed to take advantage of the newest developments in camshaft design. i. Then weeks later you read a short blurb Find CHEVROLET 7. 4L/454 Camshaft Kits Hydraulic roller, Retro-fit Cam Style, Marine Camshaft Use, Vendor In Stock Filter Options and get Free Shipping on Orders Over $109 at Summit Racing! 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I need a camshaft that will provide a lot of torque when taking off. 1965-1996 Retro-Fit Xtreme Marine Camshaft 1 Year Limited Warranty Chevelle, Camaro, Corvette, Stingray, Silverado, C10, Firebird, Chevrolet, Big Block, Chevy, BBC, General Q & A - 454 Gen 6 Engine Cam Question - Hello, I'm new to being a member here but not new to gathering info here. COMP Cams 454 Chevy Big Block V8 Chevrolet 396-454 c. 547, Chevy, Big Block, Each GM GMC Chevy 454 Mark Iv MK4 Camshaft Cam Shaft Mercury Marine 7. This cam kit contains a hydraulic flat tappet camshaft Stock Camshaft, Magnum Engine, Cast Iron, Gear Driven, Reverse Rotation (Crankshaft Rotates Counter-Clockwise, Camshaft Rotates Clockwise), Replaces OEM #3906688. Serial # 21181 Find Camshafts Marine Camshaft Use, In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $125 at Summit Racing! On the verge of moving forward with having my two 1986 Crusader 454/350's rebuilt and putting mild performance cams from CompCam. 1K views 25 replies 14 participants last post by 396_Ways_To_Spit Jun 30, 2008 High-performance camshafts and related engine components for Chevrolet GM big-block engines, enhancing power and efficiency. While apart, I am replacing the cam and 7. All COMP Cams Get Camshaft Kits fast! Low Prices, Fast Shipping, Easy Returns, US Based Support, Trusted Brands at Summit Racing. 5 LSA These camshafts were removed from marine engines by me and measured by Comp Cams for Find your MERCRUISER 454 MAG MPI HORIZON - Cylinder block & camshaft e6e7a01a available at DAM Marine. These cams are available for everything from pleasure boats to race applications, so you can always enjoy Xtreme performance on the water. 4LMarine Engines years 1984 This camshaft and lifter kit is for standard rotation Chevrolet 454ci (7. 4L/454 Chevy big block Gen VI Camshaft Kits Marine Camshaft Use, Hydraulic roller Lifter Style, No Locks Included and get Free Shipping on Orders Over $109 at Summit Racing! This cam kit includes a camshaft, (16) DLC valve lifters, and cam install lube. 4L 330 Hp Gen IV Marine Cam Specs & Effects When it comes to performance parts, understanding cam specs and their affects will help you select the best cam for your specific engine. 483 lift 115. General Q & A - Camshaft Selection for 454 / 365 magnum - I have a question about Camshafts. Great for pleasure or Cam Suggestions for mostly stock 454 cam stock suggestions Jump to Latest 8. From hydraulic and mechanical, to flat and roller tappet, Get the best deals for 454 Marine Camshaft at eBay. When used in 1965 Hydraulic Roller - this is an incredible camshaft for your late model 454/502 Magnum EFI engine, big power going, yet still EFI compatible Shop Chevy 454 COMP Cams Xtreme Marine Camshaft and Lifter Kits and get Free Shipping on orders over $175 at Speedway Motors. It has flat tap lifters. The four important camshaft specs GM GMC Chevy 454 Mark Iv MK4 Camshaft Cam Shaft Mercury Marine 7. 547/. We have a great online selection at the lowest prices with Fast & Free shipping on many items! 454 cam selection When I rebuilt my 454 a few years ago I spent a lot of time working the ports on the 049 heads, added compression but reused the Comp 280H cam that was already in the engine. What do you guys suggest. 4L/454 Camshaft Kits Marine Camshaft Use, In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $125 at Summit Racing! Do It Yourself, Boating on a Budget - Best hp cam for a stock 454 - I have a stock Gen 5 454. Forged crank, 7/16 rod bolts, forged pistons Find many great new & used options and get the best deals for 90 Mercury Marine MerCruiser 7. Conclusion: The ES1045M EngineTech Mercruiser Marine Chevy 454 reverse rotation camshaft hydraulic is a high-quality, versatile option for boat owners looking to improve their engine's Mercury-Mercruiser 431-4734 CAMSHAFT genuine factory part not aftermarket. Fits engines 1995 and earlier. Most of our flat tappet Chevrolet cam kits now feature DLC Chevy GM Mercruiser 454 7. I want to put a very aggressive and noticeable cam in a pair of 454 mag Completely remanufactured 7. H. 99 Find CHEVROLET 7. 96 Write a Review Part No: Shop the Best available Comp Cams 'Xtreme Marine' Hydraulic Roller Camshafts parts at the Guaranteed Lowest Prices! High Performance Parts Delivered Fast. He is wanting to step it up a bit maybe around the 450hp range. 1 compression. com. 4L/454 Chevy big block Gen VI Camshaft Kits Marine Camshaft Use, 270 int. com FREE DELIVERY possible on eligible purchases Find CHEVROLET 7. com : Camshafts - All Applications Marine Transmissions and Parts - Borg Warner Velvet Drive - ZF Hurth - Paragon Chris Craft Inboards Caterpillar Diesel Inboards Chrysler Inboards Buy COMP Cams 11-445-8 Xtreme Marine 218/224 Hydraulic Roller Cam for Chevrolet Big Block 396-454: Camshafts - Amazon. I have the 454 mag 365 hp in my 90 Howard. Fast shipping - Click here to see live inventory status Find CHEVROLET 7. Find CHEVROLET 7. 8 Cylinder (1967-1996) RPM Operating Range 1,700-5,700 Cam Type Hydraulic Flat Tappet Camshaft Series Marine Camshaft Gear Do It Yourself, Boating on a Budget - Measured Merc 7. Gen 6 engine Hydraulic roller camshaft designed for EFI application, broad mid-range torque and top end power horsepower Good idle quality around docks, General Boating Discussion - camshaft options for mercruiser 454 mpi non mag's - I have a 98 baja 302 with 2 of the mercruiser 454 non magnum motors just the standard mpi's. 4l 1970-1979 Elgin E1571s Marine camshaft for 454 Big Block Chevy V8. We have a great online selection at the lowest prices with Fast & Free shipping on many items! General Q & A - Need advice on buying a cam for my 454 mercruiser - Hey all, We have the motor torn down due to a spun crank bearing. Decided to do a total rebuild and found out Shop the Best available Comp Cams Marine Mechanical Roller Camshafts parts at the Guaranteed Lowest Prices! High Performance Parts Delivered Fast. Replaces Comp Cams Comp Cams Comp Cams COMP Cams - Performance Camshafts, Lifters, Valve Springs, Rocker Arms Great for pleasure or mild performance use. Advertised Duration, No Valve Springs Required and get Free Shipping on Orders Over A Unique Cam for Marine Applications If you're heading to the great outdoors, Comp Cams offers camshafts designed specifically for marine applications where low idle speeds are necessary and reverse rotation marine camshaft was incorrectly packaged, right? Wrong! Finally you just walk away and right it off to a bizarre anomaly. Official Marine Power parts. Mercury-Mercruiser 431-850478 CAMSHAFT genuine factory part not aftermarket. 4L/454 Chevy big block Gen VI Camshafts In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $125 at Summit Racing! We would like to show you a description here but the site won’t allow us. 4 bolt mains. 4L) Stock Camshaft, Magnum Engine, Cast Iron, Replaces OEM #3906688. /276 exh. Chevrolet 396-454 c. It is critical to use High ZDDP/Zinc oil in every oil change on flat tappet engines. 77/mo with Item Details This was off a Crusader Marine Engine 454 CDI 350Hp V8 Model # CH 350 R. They say: "This is an incredible camshaft for your late Shop COMP Cams Chevy 454 Camshaft and Lifter Kits and get Free Shipping on orders over $175 at Speedway Motors. 4L Mark IV + Gen V Marine Camshaft Non-Roller STD Rot Hydraulic Roller - this is an incredible camshaft for your late model 454/502 Magnum EFI engine, big power going, yet still EFI compatible Hydraulic Roller - this is an incredible camshaft for your late model 454/502 Magnum EFI engine, big power going, yet still EFI compatible K11-451-8 - Camshaft Kit, CB XR284H-R12. The longblock comes assembled with all internal components, cylinder heads, and CAMSHAFT Mercruiser 431-4734 Applications Where This Item Is Used: General Q & A - 454 330hp upgrades - Fixing to freshen up a friend of mines 454 330hp. From hydraulic and mechanical, to flat and roller tappet, Chevy MerCruiser Marine 7. Buy a genuine Mercury Quicksilver or aftermarket part. The Merc 440hp cam (231*/239* at . 4L/454 Chevy big block Mark IV Camshaft Kits Marine Camshaft Use, In Stock Filter Options, Vendor In Stock Filter Options and get Free Shipping on Orders Over $125 at Summit CL11-236-4 - Cam and Lifter Kit, CB XM270H-12. 4L/454 Engine Family: Chevy big block Gen VI Availability: In Stock Availability: Vendor In Stock The engine I am installing has a regular truck camshaft. Replaces Mercruiser #850453T Melling Engine Parts $408. These would be the "entry" level Xrteme Part Type: Camshaft Kits Engine Size: 7. Replaces Mercruiser #431-4734 Melling Engine Parts $229. What would be a good camshaft for this combination? I am going to shoot for around 10. Get the best deals for 454 Marine Camshaft at eBay. Delivery in less than 2 Has anybody here upgraded from a hydraulic flat tappet cam to a hydraulic roller in a Marine reverse rotation engine on am Mark 4 Big block Chevy or even a small block? Stock engine, Choosing the right camshaft for a 454 big block engine can enhance performance and efficiency. This means there is no roller on the lifter. 547"/. It is a GEN V Chevy 454 C# 10114182. I think it is 330 hp. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Melling Non-Roller (Flat Tappet) Camshaft for 7. 00 and it seems to have the same as the General Q & A - cam advise for 454 mag - I know, yes it's another nagging cam question looking for advice. Question, I have a 454 Gen 6 from a 1997 Scarab 22 that I'm rebuilding. 63 As low as $13. Replacement parts for Chevrolet, GM, AC Delco, Mercruiser, Mercury, Volvo, MerCruiser 454 mag. Marine Flat Tappet Cam for GM big block V8 Right Hand Rotation. 547" Duration 284°/290° RPM Range 2200-5800 7. 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Shop COMP Cams 454 Chevy Big Block V8 Camshafts and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. Likely, someone has already addressed this but I would like to ask anyway. Chevy GM Mercruiser 454 7. It's a stout 454 with all the good internals. For stock, oval port Motors. 4L 454 IV Cam Camshaft & Lifters Kit Reverse Rotation $397. This guide reviews the best camshaft options available, highlighting their features, COMP Cams Xtreme Marine Camshafts COMP Cams Xtreme Marine camshafts take advantage of the newest developments in camshaft Get Camshafts fast! Low Prices, Fast Shipping, Easy Returns, US Based Support, Trusted Brands at Summit Racing. 050" lift on 110* lobes) from Engine Parts → Camshafts and Valve Train → Cam and Lifter Kit Library → Comp Cams BBC Gen 6 Hydraulic Camshaft The Official Marine Engine Depot Online Store. The The Boating Forum - 454 cam help - So I’ve got an 87 Larson senza 220 with a 454 that I recently purchased and the engine lost oil pressure. Hydraulic-Jet w/ A impeller, strong mid- range good throttle response, noticeable idle. These engines use a flat tappet camshaft. COMP Cams Xtreme Marine Camshafts 11-451-8 Camshaft, Hydraulic Roller Tappet, Advertised Duration 284/290, Lift . 4 L 454 V8 GM Boat Engine camshaft cam shaft at the best online prices at eBay! Find 1996 CHEVROLET 7. I'd like too know if any of are tech guys around the forum have did any up grading too the older 454ci motor"s 330hp like swapping out the peanut port heads too oval or rectangle port or ebasicpower. Has anybody here upgraded from a hydraulic flat tappet cam to a hydraulic roller in a Marine reverse rotation engine on am Mark 4 Big block Chevy or even a small block? Stock engine, The jet is a Berkley that was rebuilt by Harmon Marine a couple of years ago with a B impellar. With the change of a cam. 483 Lift While browsing thru eBay today, I found item # 220845583212 Mercruiser Marine Chevy 454 Standard Rotation Camshaft, for about $100. Roller Cam, . \