Maybe 4 to 5 hours. The Little M is cast from premium high strength iron and beefed up in all the critical areas. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. 00 per quart!. Appearance may vary. Dart Big M Block Lifter Gallery Big M Sportsman version (shown) comes with 4-bolt ductile iron caps on all five main bearings. 250 Bore, Billet Caps (CLICK HERE/MORE INFO) Dart 31263354 - Cast Iron Big M Sportsman Engine Block Chevy Big Block 10. Dart machines Big M blocks in-house on precision CNC equipment to ensure quality and to eliminate the need for expensive “blueprinting. The 565 sportsman race engine starts with a World Merlin III or Dart big M block that we fully machine on our Rottler cnc equipment, diamond hone, clean, paint, and pressure test, we then install all new components. Our new monster big-block has the right stuff for Mountain Motor engines, including a choice of deck heights (10. - bravo 335 aluminum alloy heads. Dart Little-M billet cap block. 094" bores GenV &. The Big M is fitted with billet main caps for the ultimate bottom end strength. The most affordable online catalog for all your Dart Blocks needs. Splayed billet main caps are made of 1044 steel and are coated with black oxide. MAIN CAP HARDWARE: ARP ½” Stud Kit. 600”, the Big M gives you the versatility to build a wide variety of engine combinations. Crankshaft tunnel has clearance for a 4. MAIN CAPS: 4-bolt Splayed Billet. DART's BBC Blocks are available in 9. 5 And 21 X 3. Thanks, Kenneth (714)943-6353. The Big M is fitted with Billet Steel 4-bolt main caps for ultimate bottom end strength. 00 Stud kit upgrade – $68. Dart 31273644 Big Block Chevy Big M Sportsman 9. We feature a quality array of products at reasonable prices. Dart, Big M Chev BB Cast Iron Block w/Billet Caps, 4. 8 inches (they also offer a 10. Only at www. Little B Sportsman block are splayed 4 bolts in the middle 3, and 2 bolt front and back. The Merlin block is light years ahead in overall construction as compared to any of the other blocks on the market. The Gen 7 block has full water jackets between the cylinder bores and has been. The rods are fine other than the trash tracks. We have everything from cast iron blocks to billet aluminum blocks. pc aluminum heads. 600” raised cam location, spread oil pan rails and bore sizes up to 4. Dart Big M Bbc Chevy Engine Block Aluminum Choose Bore Deck Height Billet. Features: Standard 9. Take a look at our Tuning Videos and Racing Parts DART BIG M 31273644 9. 600", the Big M PRO gives you the versatility to build a wide variety of engine combinations. 600 Raised Cam Billet Steel Main Caps. Locate 4 Bolt Main Caps on sale below with the biggest variety of 4 Bolt Main Caps anywhere online. - Chevy High Performance Magazine. CSI Automotive Sales, Service & Parts. The Big M is fitted with billet main caps for the ultimate bottom end strength. Dart engineered the Big M block to be the strongest, most reliable and easiest to build big block on the market. A true priority main oiling system oils the main bearings before the lifters for extra reliability. Takes only a few hours. 500 Deck Height: 9. DART BIG M CHEVY BIG BLOCK ENGINE BLOCK 4. With multiple deck heights and bore sizes up to 4. You can buy a CNC block with either lightening process done to it or you can send in your own Dart block and have this done. This will insure that correct main size is maintained. The Dart SHP Pro block adds a new dimension to the SHP line, with the affordability of an SHP block, new features for more powerful engine builds and the desirable weight of an SHP casting. 043" M2 Tool Steel Ring Set Clevite 77 "H" Series Main & Rod Bearings. 800" deck and 4. dart new 400 main shp blocks (400 mains) we are offering a speical price on the new dart shp block with 400 mains. 62; 16mm Latching Billet Button with LED White Ring bbc brass big block circle track. 600 4 Bolt Cast Iron. Dart Ls Next High Nickel Iron Sbc Engine Block Ls Steel Main Caps 4. The ones that have the Ductile caps were bought elsewhere and the engines came to me for repairing. : Dart Engine Blocks - Engines SuperChargers Tuning and Controllers Valvetrain Components Brakes Lowering Kits Rear End Fasteners Carburetors Throttle Bodies Water Pumps Nitrous Kits Tires Custom Parts Development Cold Air Kits Fuel System Components Clutches Wheels Traction Components Race Wear and Accessories Wiring harness and Accessories Electric Cooling Fans Radiators and Components. These short blocks start with a Dart big M block that we fully machine and install all new components. We offer the Dart SHP, Little M, Big M, and Iron eagle block full machined and ready for you to assemble. CAST IRON BIG BLOCKS. Inside Head Stud Kit For Big M Blocks #64210240; MPN: 31263344; Size: 25x20x16 inches (LxWxH). 8 deck billet main caps Callie's crank and rods 400 long 4 1/4"crank Isky bushed lifters comp cam 4-7 swap TD shaft rockers comp cams belt drive 15. SHIPPING TO A BUSINESS IN THE LOWER 48 STATES WITH MEANS TO UNLOAD IS FREE!. No matter what you're driving, we have the right Dart Blocks for your vehicle. With multiple deck heights and bore sizes up to 4. View Details. 200" Deck Scalloped outer water jacket walls improve coolant flow around the cylinder barrels to equalize temperatures. Dart's Big Block Chevy blocks come in several configurations: MRKIV, SS 396, GenV, GenVI MRKIV is most like a vintage BBC featuring a 2-piece rear main seal and comes in either 9. 043" M2 Tool Steel Ring Set Clevite 77 "H" Series Main & Rod Bearings. I mostly do buy the block with the steel billet caps, becuase it is not much more money to enjoy the privilege of knowing the Billet Caps are stronger and customers feel better about them. Car and Truck Repair Parts. 2 Deck Dart, 4. I bought this block directly from Dart. 903 Lifter Bores 4. 800” and tall 10. 600”, the Big M Sportsman block gives you the versatility to build a wide variety of engine combinations. The main difference between them is that the Sportsman version uses ductile iron main caps, while the Big M uses billet steel caps. 600" Bore, 10. 100 Deck Features. With multiple deck heights and bore sizes up to 4. I mostly do buy the block with the steel billet caps, becuase it is not much more money to enjoy the privilege of knowing the Billet Caps are stronger and customers feel better about them. 600, the Big M Sportsman block gives you the versatility to build a wide variety of engine combinations. AD Performance DART Big M Billet Cap Block 10. ” The Big M features billet 4-bolt main caps and a revised oil gallery layout. 200 Deck Height, 4. Chevy C60 5. Splayed 4 bolt center three main caps; All OE bolt holes for starter, clutch ball, etc. 125" bore 9. CAST IRON BIG BLOCKS. 600 Big M Steel Billet Caps, CNC Rod Clearance (aluminum rods) • Callies 4. The Big M Pro is a completely different casting which has the camshaft location raised 0. Big M Steel Caps (4. 00 Cam tunnel upgrade - 500. Features: Standard 9. Car and Truck Repair Parts. Our stepped main oil gallery (9/16" to 1/2" to 7/16") increases the flow of oil to the crank at high rpm, and our front oil crossover eliminates internal oil leaks around the distributor shaft. Fasteners: Arp Main Bolts & Head Studs. Dart Big M Bbc Engine Block Promo Small Bore Or Larger Bore Tall Or Low Deck W. 125" cylinder bores, and 350 or 400 main bearings with steel 4 bolt main caps. The foundation of our build is Dart's Big M block, with a standard deck height of 9. 200” and bore sizes up to 4. 100-inch), a. ready to ship by 10-15-13 overview designed for high performance and heavy duty appl. stands behind each product we manufacture 100%. Bearings: Clevite Main & Rod. The 4 bolt splayed caps available, in ductile iron and steel, and the thick main webs make the bottom end the Strongest in the Industry. Dart "Big M" Iron Blocks BBC 4. 600-inch or 11. Find Dart Big M Big Block Chevy Cast Iron Bare Blocks 31263654 and get Free Shipping on Orders Over $99 at Summit Racing! The Dart Big M big block Chevy cast iron bare blocks no-compromise design solves the problems that have plagued big blocks for the years. 9 points for our final pulls!*** AD Performance is your engine power experts for high performance domestic V8 engines parts: from individual components from such renowned performance manufacturers as AFR, TFS, DART, World, Scat and Eagle, Comp, JE, Ross, CP and Probe. 800" The Dart Big M Pro Cast Iron Big Block is a no compromise design that solves the problems that have plagued big-block racers for years. If you're not familiar with the Dart SHP 427 Small Block Engine, then you really need to check out this tech article! Detailed pictures of the entire modification process, along with dyno results. Lightweight alloy blocks were introduced in 1997 with the aluminum version of the Rocket block. With multiple deck heights and bore sizes up to 4. The Big M is fitted with billet steel 4bolt main caps for ultimate bottom end strength. 62; 16mm Latching Billet Button with LED White Ring bbc brass big block circle track. 250 bore and 4. Working with top builders and Dart's own championship-winning Pro Stock engine department, they have designed a user-friendly block with the features you need today. 800 Deck, 4. 600) WE CARRY THE COMPLETE DART LINE. 000" Bore, 9. Comparing the Merlin Pro Block to the lower price ranged Dart Sportsman Big M or the Sportsman Billet cap block the Dart wins in my books. CNC how much for a dart or bowtie? thanks,-Tom. dart big m block with splayed main caps. 600-inch higher than stock, and the oil pan rails spread 0. A true priority main oiling system oils the main bearings before the lifters for extra reliability. Pro-gram Main Cap - 4-bolt - Front - Billet Steel - Big Block Chevy - Each $123. Ls main caps. 00" stroke - new dart big m block with splayed main caps. Includes coated cam bearings,freeze plugs and dowels. Car and Truck Repair Parts. Pit Stop USA is the Online Motorsports Superstore! We feature Main Bearing Cap Studs, Main Cap Studs, Main Bearing Cap Stud Kit, Racing Main Cap Studs, Engine Bolts, Racing Engine Components, Racing Engine Parts, Race Engine Parts, Main Bearing Cap Studs, Engine Bolts, Main Cap Studs, Engine Bolts, Racing Engine Components, Racing Engine Parts, Race Engine Parts at low everyday prices!. 800 Deck Big M (With Billet Main Caps) $2875. It has a 10. Big M Aluminum Chevy Big Block Steel Main Caps. Dart 31263354 - Cast Iron Big M Sportsman Engine Block Chevy Big Block 10. Plus Dart still has the Dart Race Block that is really nice. Big Block Engines and Related Parts. Dart engineered the Big M to be the strongest, most reliable, and easiest to build big block on the market. 1 big block engines. Dart Big M Bbc Chevy Engine Block Aluminum Choose Bore Deck Height Billet Dart 32712050h Rear Main Cap Small Block. Find Dart Big M Sportsman Big Block Chevy Cast Iron Bare Blocks 31273644 and get Free Shipping on Orders Over $99 at Summit Racing! What is the foundation for a better big block build?. Auto Parts for Sale in Sumter, SC: TEK 5 BBC Stainless Headers, Draw tight receiving hitch, 615 CI BBC Just Built, NEW DART BIG M BLOCKS in Dalzell, DART BLOCKS GUARANTEED LOWEST PRICE in Dalzell. 200 Deck, 4. Cylinder Bore Diameter 4. Dart engineered the Big M to be the strongest, most reliable, and easiest to build big-block on the market. 240 Dart Engine Block 31273654 Big M Sportsman For Chevy 396-454 Bbc Car and Truck. 600”, the Big M Sportsman block gives you the versatility to build a wide variety of engine combinations. Dart 31273644 Big Block Chevy Big M Sportsman 9. - new dart big m block with splayed main caps. A true priority main oiling system oils the main bearings before the lifters for extra reliability. 2 (Tall Deck) Blocks are available in 4. 600) WE CARRY THE COMPLETE DART LINE. Dual starter mounts allow starter to be mounted on either side of block for chassis and oil pan clearance. 250 bore and 4. (Big M = steel caps; Big M Sportsman = ductile iron caps) - True priority main oil system lubricates the main bearings before the lifters. - scat crankshaft, clevite bearings. World Products has redesigned the famed Merlin Big block Chevy casting, incorporating numerous improvements and new features. The 8B 2000 block may be ordered with many different roller cam bearing sizes ranging from standard Chevrolet compatible to big block Ford compatible roller. Dart re-engineered the big block, incorporating the most requested upgrades and special modifications into the Big M PRO blocks. A true priority main oiling system oils the main bearings before the lifters for extra reliability. The BRODIX 8B 2000 block is truly a force to be reckoned with!. Buy Dart 31263354 at JEGS: Dart BB Chevy Big M Engine Block 4. The precision pre-machining eliminates the time and expense of ''blueprinting'' a stock block. eBay Logo: NEW DART BIG M BLOCK, 600 hp. The two end caps are of the standard four bolt design, while the center three caps are splayed style. Notes: Billet main caps. This is a file photo. 605 and freshly decked. The Merlin block is light years ahead in overall construction as compared to any of the other blocks on the market. Check out Dart Machinery's Little M Sportman Chevy small-block. 800” and tall 10. 750" Stroke Forged Steel Crank SSRE/Scat 4340 6. Block Specs. Cylinder Bore Diameter 4. Block has threaded inlet for dry sump oil feed in rear of block. LS Chevy Oil Pans. The others look fine other than the trash going trough them. Chevy Big Block BBC Dart Billet 4 Bolt Main Caps. 200 Deck, 4. 250 Bore / Steel Billet Main Caps PN 31263354 Serial # 23629B *** This block is a new second, it has a little porosity in the casting around the starter mounting area and the oil filter shield area. " The Big M features billet 4-bolt main caps and a revised oil gallery layout. NHRA Super Gas Champion. 600 Cylinder Bore Diameter Dart engineered the Big M to be the strongest, most reliable, and easiest to build big-block on the market. Buy Race Prep Dart Big M Engine Block 31263454 Big Block Chevy Block - 4. 250 in Bore - 9. DART Big Block Chevy Aluminum BlocksStock BBC 9. A cast-iron Dart Big M block weighs from 250 to 280 pounds, depending on deck height and bore size. We offer the Dart SHP, Little M, Big M, and Iron eagle block full machined and ready for you to assemble. Product Description. They have run Milodon since the 70's and use the best. They feature an improved oiling system, extra-thick cylinder walls, 4-bolt mains, and scalloped water jackets for improved coolant flow. 800 Inch Deck Height; 4 Bolt Splayed Main Caps; 2 Piece Rear Main Seal. pc aluminum heads. com is CFE | Racing Heads - Fabricated Manifolds - Billet Blocks World ranking 0 altough the site value is $0. we have teamed up with sonic speed unlimited in. 540 CID Big Block engine featuring a new Dart™ Big M block. 400″ above the stock location to increase clearance for the connecting rods and crankshaft counterweights. A true priority main oiling system oils the main bearings before the lifters for extra reliability. 2 Deck [31263354] - DART Big M Billet Cap Race Block! 10. 043 file fit rings. The best in performance race prep engine blocks is at CNC-Motorsports. 200" and bore sizes up to 4. The Big M block gives you the versatility to build a wide variety of engine combinations. 00 FOR RESIDENTIAL AND 84. The Big M Pro is a completely different casting which has the camshaft location raised. Bronze Distributor Gear - Ford 221-351W Small Block 1963-95, 0. The most affordable online catalog for all your Dart Blocks needs. 600" raised cam location, spread oil pan rails and bore sizes up to 4. StandardŒæMainŒæBearing Diameter. The main difference between them is that the Sportsman version uses ductile iron main caps, while the Big M uses billet steel caps. DART Block Iron Eagle Ford 351W with 4-Bolt Steel Caps 4. DART's BBC Blocks are available in 9. Dart Big M Big Block Specifications. DART BIG M SPORTSMAN BARE ENGINE BLOCK 4. Redesigned to create a true "priority main" system that oils all of the main bearings before the lifters for extra reliability. Dart 31263454 - Cast Iron Big M Sportsman Engine Block Chevy Big Block 10. Dart Big M Block (31283645). Pictured below is the new Dart Big-M Sportsman block. A true priority main oiling system oils the main bearings before the lifters for extra reliability. 600”, the Big M PRO gives you the versatility to build a wide variety of engine combinations. Basham's also selected the Little M block with raised 50mm cam tunnel that accommodates roller cam bearings to reduce the friction associated with regular babbitt bearings. Find Dart Big M Sportsman Big Block Chevy Cast Iron Bare Blocks 31273644 and get Free Shipping on Orders Over $99 at Summit Racing! What is the foundation for a better big block build?. Starter Dodge Fiat Jeep Dart, 500 X , Cherokee, Renegade Built 2012-2019. The Merlin block is light years ahead in overall construction as compared to any of the other blocks on the market. 2 bolt front and rear and 4 bolt interior ductile iron main caps have splayed outer bolts for extra strength - OR - 4 bolt billet steel main caps have splayed outer bolts for extra strength. We hogged the bores to 4. StandardŒæMainŒæBearing Diameter. Dart Race Series BBC Blocks. By eliminating the “Y-block” design and utilizing conventional style main caps and oil pans, Dart has addressed the problems resulting from the LS engine’s. 5 And 21 X 3. Get the best deals on Dart Car & Truck Engine Block Parts when you shop 32731030H Main Cap Sbc Little M Block. 600 Bore, 11. Dart Big M Big Block Specifications. 500 Bore, 9. Find Dart Big M Big Block Chevy Cast Iron Bare Blocks 31263644 and get Free Shipping on Orders Over $99 at Summit Racing! The Dart Big M big block Chevy cast iron bare blocks no-compromise design solves the problems that have plagued big blocks for the years. This is a file photo. Comp blocks have billet steel 4-bolt main caps. Save $10 off $150, $50 off $500, $100 off $1,000 Main Caps: 4-bolt steel billet Main Cap. DART Big Block Chevy Big M and Big M Sportsman Race Blocks. Big M Pro Engine Block. A true priority main oiling system oils the main bearings before the lifters for extra reliability. - comp hyd. 2014 Kmw Billet Wheel Set 18 X 8. Dart Blem Special Bb Chevy Big M Mk7 Bare Block10. the SHP Pro block uses billet steel four-bolt main caps on all five saddles that are. 600, the Big M Sportsman block gives you the versatility to build a wide variety of engine combinations. 200 deck / 4. 200 Deck, 4. Same products but just better prices!. 250 bore and 4. Parts Include: Dart Big M Block Billet Caps Callies 4340 Dragonslayer Crank Callies Rods Mahle Pistons Clevite Rod and Main Bearings Cloyes Timing Chain Set Comp Cams Camshaft. The Big M can go as big as over 700 cubic inches, so our 509 is actually fairly conservative for this block. 600) Comes with coated cam bearings, timing cover dowels, and frost plugs. 800) Product Description: Billet Steel Main Caps. Serious race engine builders mostly use high strength ARP studs to anchor the main caps. A true priority main oiling system oils the main bearings before the lifters for extra. Arp Main Stud Kit 235-5601 Bb Chevy Dart Big M Wsplayed Cap Bolts 4 Bolt Main Billet Steel - Big Block Chevy - Each 2014 Community Chevy Automotive Sales Inc. Cylinder Bore Diameter 4. 600) Comes with coated cam bearings, timing cover dowels, and frost plugs. The Big M block gives you the versatility to build a wide variety of engine combinations. 600 Bore, Stroker Clearanced, 10. 800" and tall 10. roller cam and howards tie bar street strip roller lifters. 250, Dart, Big M Chev BB Cast Iron Block w/Billet Caps, 4. Automobile Parts and Service Toggle navigation Community Chevy Automotive Sales Inc. Dart Big M Block w/ Steel Billet Caps-Dart Big M w/ Steel Billet Caps The Big M block gives you the versatility to build a wide variety of engine combinations. manufacture all of our own main caps in house out of billet steel and 524 cubic inch Big Block Chevy powered with. Starter Dodge Fiat Jeep Dart, 500 X , Cherokee, Renegade Built 2012-2019. We feature a quality array of products at reasonable prices. 025 Deck, 4. - comp hyd. Block Specs. 125 Bore 4 Bolt Main. 500 bore (4. The Complete & Dyno'd build level comes fully dressed with timing cover, oil pan, Pro Star polished aluminum valve covers, harmonic balancer, intake, carburetor, distributor, spark plugs and wires. Dart Big M Bbc Chevy Engine Block Aluminum Choose Bore Deck Height Billet Dart 32712050h Rear Main Cap Small Block. The foundation for the 565 is a Dart Big M block. 700 c-c • 10) JE Custom Pistons 1. Dart big M block 9. The actual Race Block has very beefy Lifter Bores. 800 Deck Big M (With Billet Main Caps) $2875. DART Big Block Chevy Big M and Big M Sportsman Race Blocks. StandardŒæMainŒæBearing Diameter. stands behind each product we manufacture 100%. The center three caps have angled outer bolts to help spread the clamping load into the block. 500 Deck Height: 9. Site title of www. 5 Bore Spacing Block: Dart Aluminum Ford Block: Dart Big Chief Head: Dart Big M Aluminum Block: Dart Big M Block: Dart Big M Gen VI Full Water Block: Dart Engine Components - Block Parts: Dart Engine Components - Fasteners: Dart Engine Components - Gaskets: Dart Engine Components - Head Parts: Dart Engine Components - Main Cap Set: Dart. Splayed 4 bolt center three main caps; All OE bolt holes for starter, clutch ball, etc. CNC how much for a dart or bowtie? thanks,-Tom. Billet Steel Main Caps. We have a Dart big M deal what is the power handling capabilities of this block ? We have a 11. Appearance may vary. Milodon - 2250 Agate Court, Simi Valley, California 93065 (805) 577-5950 7:30-4:30 Pacific Time. 600, the Big M block gives you the versatility to build a wide variety of engine combinations. 800" Deck, STD Mains Dart engineered the Big M block to be the strongest, most reliable and easiest to build big block on the market. 2 Deck [31263354] - DART Big M Billet Cap Race Block! 10. - scat crankshaft, clevite bearings. With Dart Big-M Block a 4 3/4 crank drops right in and you need to straker clearance the pan rails and bottom of cylinders. Extreme Billet Main Caps Chevy 2 Bolt To 4 Bolt 454 Main Journal Howards Cams H4. Dart big M block 9. Working with top builders and Dart's own championship-winning Pro Stock engine department, they have designed a user-friendly block with the features you need today. 800 Inch Deck Height; 4 Bolt Splayed Main Caps; 2 Piece Rear Main Seal. Pro-gram Main Cap - 4-bolt - Front - Billet Steel - Big Block Chevy - Each $123. 600 4 Bolt Cast Iron. 800" deck and 4. Here is the bottom end of the Race Block. A true priority main oiling system oils the main bearings before the lifters for extra reliability. Bore Size: 4. Dart re-engineered the big block, incorporating the most requested upgrades and special modifications into the Big M PRO blocks. $2200 If you have any questions please feel free to give me a call. 560 Bore Tall Deck $2,887. Find Dart Big M Big Block Chevy Cast Iron Bare Blocks 31263654 and get Free Shipping on Orders Over $99 at Summit Racing! The Dart Big M big block Chevy cast iron bare blocks no-compromise design solves the problems that have plagued big blocks for the years. 600, the Big M Sportsman block gives you the versatility to build a wide variety of engine combinations. Dart BBC Big M Block Billet Steel Main Caps StandardŒæMainŒæBearing Diameter Deck Height 10. Dart Big M Chev BB Cast Iron Blocks at Competition Products! Dart, Big M Chev BB Cast Iron Block w/Billet Caps, 4. DART Billet Aluminum Chevy Big Blocks; DART Big M GEN V & GEN VI Chevy Big Blocks Dart SHP "PRO" 4-Bolt SBC Iron Block, 350 Main w/Billet Steel Main Caps, BBC Cam. Dart engineered the Big M to be the strongest, most reliable, and easiest to build big-block on the market. Machined for stock roller lifters and spider Dart's Sportsman Iron blocks for Dart 31354175 Fords are designed to work with stock components, but are much more than a stock replacement Premium high-strength iron, extra-thick cylinder walls and decks, steel main caps and a true priority main oiling system. 2 Deck Dart, 4. If a dry sump oiling system is used you must plug the inlet hole in the rear main cap or the hole in the block underneath the rear main cap. 00 Lifter bore upgrade - $350. MAIN CAP HARDWARE: ARP ½” Stud Kit. Dart Big M Block Lifter Gallery Big M Sportsman version (shown) comes with 4-bolt ductile iron caps on all five main bearings. 4 bolt billet steel main caps have splayed outer bolts minimize bearing bore distortion. To cover the Blue Oval end of the spectrum, Ford blocks were added to the Dart lineup in 2004. With multiple deck heights and bore sizes up to 4. 250 31263444 Iron Big M Steel Std. - comp hyd. - Billet caps add $300 - Merlin X aluminum add $2400: $2,295. 600 Bore, Stroker Clearanced, 10. Main Bearings: Utilizes Big Block Chevrolet style main bearings. A true priority main oiling system oils the main bearings before the lifters for extra reliability. Dart 31273644 Big Block Chevy Big M Sportsman 9. Arp 235-5603 Main Studs 4-bolt Chevy 454 Dart Big M Block Kit $113. dart little m block used dart big m block Dart Main Cap. Belt Camshaft Crankshaft Mount Oil Pump Vacuum Pump Block. 025 Deck Dart Little Block Dart Sbc Little M Sportsman Bl 9. The Big M block gives you the versatility to build a wide variety of engine combinations. Milodon - 2250 Agate Court, Simi Valley, California 93065 (805) 577-5950 7:30-4:30 Pacific Time. 600 bores big m blocks w/steel billet main caps 4.