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ATK Marine Engines offers premium-quality rebuilt long block engines specifically for boating applications. These engines are designed to deliver maximum performance and long-term durability for your boat. Order the model recommended for your marine application. ATK Marine rebuilt engines include: * Special marine pistons and rings * Special marine camshaft * Marine gaskets * New intake and exhaust valves * New main, rod, and cam bearings * New valve lifters, rocker nuts, and swivels * Heavy-duty double roller timing chains * Cam sprocket * Crank gear * Freeze plugs
( 45 )
$2,673.99
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$3,097.99
$1,872.50
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$1,999.50
Diamond Pistons Marine Series pistons are ideal for your high-demand boats. These forged aluminum pistons are significantly stronger than the factory pistons allowing your engine to handle that extra horsepower, high-rpm operation and long hours on the water. Diamond Pistons Marine Series pistons feature: * 3D milling on piston crowns for "ready to install" finish * Moly skirt coating for friction-loss and skirt-wear protection * Oversized valve pockets for "larger than stock" valve sizes * Forged 2618 or 4032 aluminum alloy (where specified) * Premium 8620 or H-13 steel wrist pins (where specified)
Not Yet Reviewed
$1,527.03
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$1,662.99
COMP Cams Xtreme marine cam and lifter kits take advantage of the newest developments in camshaft design. Their aggressive lobe design produces better throttle response and top-end horsepower than other systems with the same duration at .050 in., while delivering increased engine vacuum. These kits are available for everything from pleasure boats to race applications, so you can always have Xtreme performance on the water.
( 20 )
$1,545.95
Give your boat an Xtreme setup! COMP Cams Xtreme marine retrofit cam and lifter kits are designed to take advantage of the newest developments in camshaft design and to provide maximum performance. Their aggressive lobe design produces better throttle response and top-end horsepower than other systems with the same duration at .050 in., while delivering increased engine vacuum. These kits are available for everything from pleasure boats to race applications, so you can always have Xtreme performance on the water.
Not Yet Reviewed
$1,545.95
Designed for 396-502 c.i.d. big block Chevy engines, these Edelbrock cylinder heads include heavy-duty exhaust valves that provide the added durability needed for marine applications, and have one-piece, stainless steel intake valves with hardened tips and swirl-polished heads. The high-velocity flow capabilities of Edelbrock Performer RPM cylinder heads provide increased torque across a wide rpm range that's ideal for marine use. They're cast from A356 aluminum and heat-treated to T6 specs. Their oval-port heads have 110cc chambers and their rectangular port heads have 118cc chambers. Both the oval and rectangular port heads are hard-anodized to protect the aluminum in the harsh marine environments.
( 2 )
$1,780.50
Perfect for high performance street/strip, racing, and marine big block Chevy engines, Trick Flow® PowerPort® 320 cylinder heads deliver exceptional mid- to high-rpm performance. The Fast As Cast® rectangular runners flow almost as much air as fully CNC-ported heads right out of the box. That means you'll get CNC-ported performance for about the same price as regular cast heads. The fully CNC-profiled, heart-shaped combustion chambers have CNC bowl blended valve seat transitions to promote high velocity and huge airflow volume, plus 24 degree valve angles with 4 degree side cants to further increase airflow. Other features include premium, high-strength aluminum castings, extra-thick decks and walls for porting, and adjustable guideplates. Trick Flow® PowerPort® 320 cylinder heads are available fully assembled or as bare castings. Sold individually.
( 1 )
$1,599.99
Whether you are into drag racing, circle track, road racing, marine, or just running a serious piece on the street, Jesel Pro tie-bar roller lifters are built to go the distance! Manufactured to the highest standards using the strongest materials available, lifter components are machined in-house, allowing Jesel the ability to control the finish and hold critical tolerances which far exceed current industry standards. Choose the proper fit for your application. Features and benefits: * Heat-treated 8620 bodies are DLC coated to reduce friction and body wear * .842 in. up to .937 in. diameters are available covering all popular OE and aftermarket blocks * Heat-treated stainless steel tie-bars keep lifter precisely aligned through the lift cycle * Tie-bars are retained to the bodies using Jesel designed tool steel nuts * Cam rollers with precision sorted needle bearings (standard) * Pressurized oiling to the axle assembly * Heat-treated and polished tool steel roller * Offset or on-center pushrod seats available * Optional bronze bushed cam rollers available
Not Yet Reviewed
$2,125.00
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