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Chevrolet Performance LSX Bowtie engine blocks are designed for the advanced competition engine builder. They feature Siamese cylinder bores and a semi-finished deck height. The blocks can accept a maximum stroke of 4.250 in., a maximum bore of 4.250 in., and can support displacements of 454 cu. in. or more. LSX Bowties feature cast iron construction with an orange powdercoat finish. They accept all Gen III and IV LS-style cylinder heads, crankshafts, camshafts, and other components. Order the model with deck height and other options needed for your application. Additional features and specs include: * Front oil feed lines that can be plugged or restricted for mechanical flat tappet or mechanical lifter applications * Can be safely machined to 9.200 in. deck height * 1054 billet steel 6-bolt main bearing caps * 6-bolt cylinder head bolt pattern * Cam bores that can be machined to accept 60mm roller bearings * Can be machined for larger diameter lifters * External oil pump feed at the rear * Added 7th transmission bolt hole to work with early-style GM transmissions * Can accept a front motor plate for racing use * Threaded freeze plugs that can be used for external heaters or coolers * Windowed main bulkhead
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$5,565.20
The Ford Performance Coyote cast iron bare engine blocks provide an extremely strong foundation for high horsepower, boosted Coyote engine builds, offering superior strength over aluminum blocks for extreme racing and performance applications where stock blocks might flex or fail. In essence, this cast iron engine block is Ford's solution for pushing the Coyote engine far beyond its stock limits in a dedicated race application. Features and specifications: * Cast from a proprietary grade Class 50 iron * Deck height: 227mm (8.937 in.) * Rough bore can be finished to 93mm (3.661 in.) GEN 3 size * Maximum bore: 95.0mm (3.740 in.) * Maximum stroke: 99mm (3.897 in.) * Maximum displacement: 5.6L * Standard Coyote 100 mm bore spacing * Lengthened bores for added strength * Revised deck design for added strength around the water jackets * Designed for 12mm ARP head stud kit (456-4303) * Head bolt holes NOT machined for the production length head bolts * Material available to drill and tap for production length head bolts * Billet steel 6-bolt main caps with ARP hardware * Accepts Gen 1 and Gen 2 Coyote 5.0L cylinder heads * Accepts Gen 1, Gen 2, and Gen 3 GT350 5.2L cylinder heads * Requires head gasket to match cylinder head * Weight = 203# when finished to a 94mm bore * Recommended forged steel crankshafts (M-6303-M52B or M-6303-M52P)
Not Yet Reviewed
$3,639.99
Designed from a clean slate approach, Dart now offers the Iron Eagle Mopar Gen III cast iron bare blocks that address the shortcomings of the Hemi Gen III platform, and are the ideal candidate for hot rodders, drag racers, circle track competitors, off-roaders, and high performance marine enthusiasts. By utilizing conventional style main caps with Gen III rotating assemblies and related components, Dart has addressed the windage and oil control problems, along with revising the cooling and oiling passages for improved flow. Non-VVT and VVT version offerings are available. Get everything you ever wanted out of your Gen III Hemi engine with the Iron Eagle Mopar Gen III cast iron bare blocks by Dart! Key features of Dart Iron Eagle Gen III Hemi cast iron engine blocks: * Manufactured from superior strength cast iron * Priority main oiling system with two lifter crossovers and restrictor provisions * Siamese cylinder bores with extra thick walls * Extra-thick decks ensure reliable head gasket seal * Blind head bolt holes available in 7/16 in. standard or 1/2 in. upgrade * Scalloped water jackets increase flow around cylinders for better cooling * Clearance for 4.050 in. stroke with steel rods * Billet steel 4-bolt main caps 1-5, center 3 main caps splayed * Main studs standard * Gen III Hemi style motor mounts * Provisions for OE stock roller lifters and cam * Uses stock timing covers * All OE bolt holes for starter, water pump, etc. * Block can be machined for VVT or non-VVT camshafts * Parts kit included (32000050 for non-VVT, or 32000051 for VVT); note parts kits do not include cam bearings
Not Yet Reviewed
$5,499.99
Callies Mopar engine blocks are Officially Licensed Mopar products. Together with Energy, Callies will manufactured and distribute cast iron engine blocks and components. All parts manufactured will carry authentic Mopar part numbers and be produced from original Mopar molds, cores, and engineering data. The Mopar blocks are being offered in different bore sizes in finished and RoughBore (RB) versions.
Not Yet Reviewed
$3,170.66
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