2. 69 Chevelle. BBC CHEVY 540-555 ENGINE, STAGE 7 DART BLOCK, CRATE MOTOR 724 hp SERPENTINE. Diameter Bore, 2-Piece Rear Main Seal, Chevy, Big Block, Each Part Number: DRT-31213655 I’m so tired of the political bs. Sweet motor. CNC-Motorsports is proud to offer fully machined race prep dart blocks. CNC Competition BB Chevy 540 Dart Short Block, Scat Crank, JE 14.2:1 Nitrous Pistons $5,046.95 BB Chevy 540, Dart Block, Scat 4340 Forged Steel 4.250 Crankshaft, Scat 6.385 H Beam Rods, JE 14.2:1 Nitrous Dome Pistons Residential/Lift Gate Fees may apply.) Save $10 off $299, $20 off $699, $30 off $899, $100 off $1,899 Orders, Ships directly from the manufacturer on 03/02/21, Ships directly from the manufacturer on 03/04/21, Ships directly from the manufacturer on 04/08/21. $8,695.00 + $485.00 shipping . Bore, Big M Sportsman Iron Engine Block Big Block Chevy 4.250 in. The Complete & Dyno'd build level comes fully dressed with timing cover, oil pan, Pro Star polished aluminum valve covers, harmonic balancer, intake, carburetor (optional EFI upgrade), distributor, spark plugs and wires. Working with top builders and Dart's own championship-winning Pro Stock engine department, they have designed a no-compromise, user-friendly block that solves the problems that have plagued big-block racers for years. FULLY FINISHED OUT AT 4.560" BORE 9.800" STANDARD DECK HEIGHT 2PC RMS. All blocks are Dart Big M Block completely machined, blueprinted, line honed, block-trued, square decked, deburred and torque plate honed. -Dart 4.500" Bore Big M block (plate honed to size; camshaft bearings and … WISECO 2618 AIRCRAFT ALLOY FORGED +14.5cc DOME PISTONS. Rotating Assembly Fully Balanced @ AMS Racing. You are now signed up to receive great E-Mail Offers! NEW GENERATION DART BBC BARE BLOCK 2pc RMS. THIS BLOCK HAS ALSO BEEN DECKED This block is fully machined and ready for prep work. Below is a list of the parts that have gone into these awesome engines. The best in performance race prep engine blocks is at CNC-Motorsports. Aluminum Big M BBC . All Rights Reserved. $4999.98. All blocks are Dart Big M Block completely machined, blueprinted, line honed, block-trued, square decked, deburred and torque plate honed. 345cc Dart Heads (if purchased with Rot. Check out Hot Rods newest 540 Big Block Chevy Engine with MSD Ignition System and a Edelbrock Performer Intake Manifold, ... Dart: Cylinder block: Big M Sportsman, 9.800 deck, 4.5 bore: 31273444: 1: Rotating Assembly Fully Balanced @ AMS Racing. Dart Big M block (4.500" bore) SRP Forged Pistons with performance file-fit rings Eagle rotating assembly with h-beam 4340 forged rods(ARP 8740 bolts) and 4340 forged 4.250" stroke crankshaft King XP / Clevite H race bearings All machine work and assembly done in house at AMS Racing Each short block is custom built t DRY SUMP SYSTEM If a dry sump oiling system is used you must plug the oil inlet hole in the rear main cap or in the block, underneath the rear main cap. Raised Camshaft, Big M Sportsman Iron Engine Block Block Big Block Chevy 4.500 in. Billet caps are available for power adder applications or those expected to exceed 1000 horsepower. -Eagle Rotating assembly with 4340 forged steel h-beam connecting rods(ARP 8740 bolts) and 4340 forged steel 4.250" stroke crankshaft. Bore, 2-Piece Rear Main Seal, Chevy, Small Block, Each Part Number: DRT-31162211 Made in the USA; Brand new precision machined block Dart, Big "M" Cast Iron Block, Chev BB, 10.200" Deck, 4.501" Bore, w/ Billet Caps, Fully Machined, Stroker Clearanced: Chevrolet Big Block 10.200" Deck 4.501" Bore w/ Billet Caps Fully Machined Stroker Clearanced *This Block Qualifies for Free Freight! This 4.5 inch diameter bore, 4 bolt main block is finish machined on our 4-axis CNC and then honed to perfection. Dart Big M Block Lifter Gallery Big M Sportsman version (shown) comes with 4-bolt ductile iron caps on all five main bearings. Bore, Big M Iron Engine Block Big Block Chevy 4.500 in. 540 to 565 rotating Assembly, Same great parts as our complete short block no compromise hear don't settle for less. Dart has reinvented the "Rat Motor" with their cast-iron Big M big blocks. Raised Camshaft, Big M Iron Engine Block Big Block Chevy 4.560 in. CNC Competition BB Chevy 540 Dart Short Block, Scat Crank, JE 14.2:1 Nitrous Pistons $5,046.95 BB Chevy 540, Dart Block, Scat 4340 Forged Steel 4.250 Crankshaft, Scat 6.385 H Beam Rods, JE 14.2:1 Nitrous Dome Pistons 502 8.2L for 540) (Dart & World Blocks available at a discounted rate with Rotating Assembly Purchase) 320cc Rectangle Port Aluminum Heads, Hydraulic Roller 360 cfm +$1500/pr. Bore, +.400 in. The exhaust note from this big block engine is much deeper than that of the typical stock GM big block engines. 3. custom headers 4 inch exhaust collecter magnaflow muffler 300 shot noz 750 horspower 4l80e trany 4 speed automatic Worked with a ton of Dart blocks in both Big M and Little M, and had a couple World blocks (a merlin II and the Merlin III I have now). Online Price $11,695.00. Available in both 9.8-inch standard deck height and 10.2-inch tall deck versions it is the perfect starting point for any serious big block Chevy racing application. The 540/555 will accelerate any heavy car much better than any of the underpowered original GM bbc engines. Pro Star™ 540 CID Big Block Chevy (Shortblock) • Dart™ Big M Block • Forged pistons • 4.250 Stroke • 4.500 Bore Bore, +.400 in. Each unit is in-house machined on precision CNC equipment to ensure the highest quality and to eliminate the need for expensive blueprinting. Then look no further than the Dart Big M - the standard platform most racing winning BBC engines use! Bore, +.400 Raised Camshaft, Please select the checkbox to SignUp for text alerts, Line Lock / Roll Control Kits & Components, Thermostat Housings, Filler Necks & Water Restrictors, Exhaust Kits - Catalytic Converter/Axle Back, Fasteners and Accessory Mounting Brackets, Throttle/Carburetor Linkage, Choke Kits & Components, Wiring, Wiring Harnesses, Switches, Connectors, Breakers & Relays, Axles, Axle Housings, Housing Braces & Components, Tire Gauges, Pyrometers, and Stagger Tape, Air Valve Stems, Stem Caps & Wheel Weights, Tire Pressure Gauges, Tire Durometer & TPMS Sensors, Golf Cart/ATV Wheels, Tires and Accessories, Decals, Pins, Patches, Signs, Banners, Magnets & Lanyards, Car & Truck Programmers, Modules and Chips, Lifter Valley Oil Control Trays, Baffles & Screen Kits, Oil Filter Adapters & Remote Oil Filter Mounts, Oil Pan Drain Plugs, Oil Change Systems, & Engine Magnets, Oil Pan Windage Trays, Baffles & Crankshaft Scraper, Oil Restrictors & Lifter Valley Breather Tubes, Steering, Chassis & Suspension Restoration, Transmissions & Components for Classic Cars, Shifter Replacement, Service & Mounting Components, Chassis, Roll Cage, Frame Rail, Subframe & Front Suspension Kits, Panhard Rods, Track Rods & Rear Axle Housing Locater Rods, Storage Shelves, Cabinets, and Misc. BBC CHEVY 540 CUBIC INCH COMPLETE DART SHORT BLOCK KIT. Thank you! You are now signed up to receive JEGS Deals with text alerts! Dart 31213655 - Dart Big M Mark IV Big Block Chevy Full Water Cast Iron Bare Blocks Engine Block, Cast Iron, 4-Bolt Mains, 4.600 in. Cylinder wall-thickness is another major feature of Dart’s M 2 block lineup. (48 U.S. Contiguous only. Raised Camshaft, Big M Iron Engine Block Big Block Chevy 4.250 in. 2. BBC CHEVY 540-555 ENGINE, STAGE 7.0 DART BLOCK, CRATE MOTOR 724 hp BASE ENGINE. Dart engineered the Big M to be the strongest, most reliable, and easiest to build big block on the market. Working with top builders and Dart's own championship-winning Pro Stock engine department, they have designed a no-compromise, user-friendly block that solves the problems that have plagued big-block racers for years. Please read the complete ad before purchasing.Dart Machinery has completely redesigned the Big M series Block. A Dart Big M block provides the foundation for this killer piece. Dart Big "M" Block w/Splayed 4 Bolt Main Caps SSRE/Scat 4340 4.250" Stroke Steel Crank (1) Scat 4340 6.385" H-Beam Steel Rods Clevite 77 "H" Series Main & Rod Bearings JE/SRP 10.5-1 Forged Aluminum Pistons w/Coated Skirts Plasma Moly File Fit Ring Set Internally Balanced Professionally Blueprinted and Assembled These high performance engines provide both the power and the sound that screams "Muscle Car". Bore, Big M Sportsman Iron Engine Block Block Big Block Chevy 4.500 in. Main caps 2, 3 and 4 incorporate splayed outer bolts to help distribute firing loads equally across the main webs. Bore, Big M Iron Engine Block Big Block Chevy 4.600 in. The block ends up weighing between 180-182 lbs without sacrificing the strength of the block. 540 RACE BIG BLOCK CHEVY SHORT BLOCK KIT DART BIG M BLOCK4340 FORGED STEEL CRANKMANLEY 4340 H-BEAM RODS w/ARP 2000 BOLTSMANLEY PLATINUM PRO SERIES PISTONSTOTAL SEAL RINGSKING PERFORMANCE ROD BEARINGSKING PERFORMANCE MAIN BEARINGSDURA-BOND PERFORMANCE CAM BEARINGSBRASS BLOCK PLUGSFEL-PRO PERFORMANCE REAR MAIN SEALTHE DART BIG M BLOCK … • Timing cover and Oil pump dowel pins are .246” O.D. Dart Big M cylinder block incorporates all the important characteristics of modern race blocks in a high quality affordable casting. The Dart Big M Block is standard (NOT a $500.00 option like other engine builders). Vic Jr, Have to keep it under the hood. The Big M is fitted with Billet Steel 4-bolt main caps for ultimate bottom end strength. (48 U.S. Contiguous only. Mahle Pistons. in dart blocks • We recommend using Fel-Pro# 1037, 1047 or 1067 head gaskets with the Big M block. Dart Big M Sportsman Block has reinvented the Rat motor. But even at this point, the Dart M 2 blocks guarantee a wall thickness of 0.275-inch. Production bore spacing of 4.400-inch limits the largest bore size on a small-block Chevy to 4.185-inch. JE/SRP 13.8:1 with 112cc, 43cc Piston Upgrade +$250 -Dart 4.500" Bore Big M block (plate honed to size; camshaft bearings and …