New custom built 540ci BBC. Our engines are built using DART Big M Sportsman block 4.5" bore, 9.8 Deck. DART Pro 1 325 Heads w/ REV Severe Duty INT/Inconel EXH valves & ISKY Springs, Retainers, and Lo..
New custom built 540ci BBC. Our engines are built using DART Big M Sportsman block 4.5" bore, 9.8 Deck. DART 308 Iron Eagle Heads w/ REV Severe Duty INT/Inconel EXH valves & ISKY Springs, Retainers, a..
Platinum finish CMI Elbow Top headers are designed for direct replacement of most stock cast manifolds. CMI E-Top systems offer seperated exhaust passages with long individual exhaust tube runners to..
This pair of Mercury 700's were taken out of a boat simply to put BIGGER POWER in the customers boat.. They are pretty much NEW engines with only 60 FRESH WATER hours on them since new from Mercury !!..
A great performance upgrade for stock engines. These systems are a direct replacement for stock Mercruiser manifolds in Bravo and Alpha applications where the exhaust outlets exit through the transom ..
We guarantee it will out-perform any cast aluminum exhaust system! That is a promise no one else dares to make! The innovative Thunder & Lightning bolt-on cast aluminum exhaust header boosts your engi..
Stainless Steel replacement Mercruiser Thermostat Housing for all Mercuiser 4.3-Liter, 5.7-Liter,7.4 and 8.2-Liter engines. Note: made of Stainless Steel, Replaces mercruiser part #'s 860256A3 and 860..
INSTALLATION AVAILABLE !!! We begin with new from GM GEN VI short blocks then disassemble them to set the deck hieghts to true the compression ratio then reassemble using name brand parts to finish th..
INSTALLATION AVAILABLE !!! TWO (2) USED,LESS THAN 70 HRS. 615 cu in 700+ hp, LOUSY PHOTOS, UGLY LOOKING, CLOSE THE HATCH, SMILE, AND GO KICK SOME A$$! GREAT RUNNERS!! MERLIN TALL DECK BLOCK, DART ALU..
INTALLATION AVAILABLE !!! GM tall deck 605 cu in 650+ hp, Lunati crank 4.625 stroke Ross pistons 4.562 bore, Oliver rods, Gil oil pan World heads w/ SS valves, Crane hyd. roller valve train, Dart inta..
EMI Thunder Exhaust Systems feature large individual runners for maximum horsepower gains. Our manifolds also feature a cast-in water cooled divider inside the manifold body that assures maximum exhau..
Mercury Racing 1350 HP with Mercury Racinq Dry-Sump Hydraulic Trans,only 27 hours with warranty til June 2015. Engines and trans are in excellent condition, M8 Drives 1:30 gear ratio available for add..
Now's the time to upgrade your tired old 502 for the 540 you've always wanted. Exchange your 502 for a reman marine engine with a Scat 540 rotating assembly with 550HP. These meticulously built 540 en..
Our High Performance proven ATECO/DART Pro 1 Aluminum Marine heads have the combination to maximize your engine's horse power. Take your 500 EFI up to 625hp at a fraction of the cost of total engine ..
Fall Special!! GEN VI 540/550HP Marine Engine. For a limited time we are selling this reliable, true Marine engine with top quality parts, for our OSO friends. DART Block & EQ Iron Heads, SCAT Crank &..