1973 Chevy Bel Air Performance Engine Blocks

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    • (0 reviews)
      # 335486070
      Chevy Bel Air 5.7L / 6.6L / 7.4L Chevy Big Block Mark IV 1973, Big M Sportsman Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of...
      Standard 9.800" and tall 10.200" deck heights available for stroker enginesStandard 4.250" , 4.500" or 4.600" bore sizes with siamesed extra thick cylinder walls to resist cracking and improve ring seal (minimum .300" thick with 4.625" bore)
      $2,383.97 - $2,459.49
    • (0 reviews)
      # 335486014
      Chevy Bel Air 5.7L / 6.6L / 7.4L Chevy Big Block Mark IV 1973, Big M Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $2,383.97 - $2,973.84
    • (0 reviews)
      # mpn358595580
      Chevy Bel Air 5.7L / 6.6L Big Block Chevy 1973, Engine Block by Dart®. Dart has developed a new world of performance for metric 8.1 big block engines. The Gen 7 block has full water jackets between the cylinder bores and has been...
      Premium iron alloyPriority main oiling for improved reliability
      $2,383.97
    • (0 reviews)
      # 335491078
      Chevy Bel Air 5.7L / 6.6L / 7.4L Chevy Small Block Gen I 1973, Iron Eagle Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $3,235.99
    • (0 reviews)
      # 1093443673
      Chevy Bel Air 5.7L / 6.6L 1973, LS Next Cast Iron Engine Block by Dart®. 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...
      Dart’s LS Next block is cast in the USA with premium cast iron alloyConventional style 4-bolt steel main caps with 7/16” bolts are used
      $2,716.30
    • (0 reviews)
      # 335491580
      Chevy Bel Air 5.7L / 6.6L / 7.4L Chevy Small Block Gen I 1973, Little M Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $2,985.66
    • (0 reviews)
      # mpn358595564
      Chevy Bel Air 5.7L / 6.6L / 7.4L Chevy Small Block Gen I 1973, Little M Pro Engine Block by Dart®. Cast from premium high strength iron and reinforced in all critical areas, the Little M Pro block offers several cam upgrades and a...
      Extra thick cylinder walls resist cracking and improve ring seal for more power (minimum .275" thick with 4.185" bore)True priority main oil system lubricates the main bearings before the lifters
      $4,099.07
    • (0 reviews)
      # 335491592
      Chevy Bel Air 5.7L / 6.6L / 7.4L Chevy Small Block Gen I 1973, Little M Sportsman Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $2,474.69
    • (0 reviews)
      # mpn358595586
      Chevy Bel Air 5.7L / 6.6L / 7.4L Chevy Big Block Mark IV 1973, Race Series Engine Block by Dart®. Standard 4.840" or 4.900" spread bore spacing provide large bore capacity. The camshaft is raised 0.400" above the stock location to...
      Premium alloy: Dart aluminum blocks are cast from virgin 355-T61 aerospace alloy for superior strength and integrityDuctile iron sleeves with extra thick cylinder walls promote excellent ring seal
      $6,700.62
    • (0 reviews)
      # 335486802
      Chevy Bel Air 5.7L / 6.6L / 7.4L Chevy Big Block Mark IV 1973, Race Series Tall Deck Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $3,695.71
    • (0 reviews)
      # 335491734
      Chevy Bel Air 5.7L / 6.6L / 7.4L Chevy Small Block Gen I 1973, Special High Performance Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels...
      350 or 400 main journals accept commonly available crankshaftsSplayed outer bolts on middle main bearing caps prevent cracks
      $1,718.26
    • (0 reviews)
      # 335491754
      Chevy Bel Air 1973, Special High Performance Pro Engine Block by Dart®. 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....
      Extra thick decks ensure reliable head gasket sealBlind head bolt holes don't go through to water jacket
      $2,221.15
    • (0 reviews)
      # 967950173
      Chevy Bel Air 1973, Bare Engine Block by Speedmaster®. 1 Piece. Build your dream engine. The next level of performance is these aluminum Chevy small blocks. Block is ready for the street racer or all out racer with added strength and...
      Created by professionals to meet your requirementsSuperior longevity and dependability
      $1,957.00 - $3,502.00
    • (0 reviews)
      # 966777912
      Chevy Bel Air with Chevy Small Block 1 Generation Engines 1973, Extreme Billet Main Caps by Howards Cams®. Precision CNC machined from superior quality low carbon 1020 billet material. Available as stock replacement (straight bolt) or...
      Low carbon 1020 billet steelNone stronger
      $68.47 - $270.39
    • (0 reviews)
      # 966847797
      Chevy Bel Air 5.7L 1973, Main Cap Support Straps by Howards Cams®. Designed to support the front and rear OE style main caps for higher horsepower applications. The best thing to use next to billet replacement caps (see above). Milling...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $31.57 - $54.07
    • (0 reviews)
      # mpn4512003665
      Chevy Bel Air 5.7L 1973, Main Caps by Howards Cams®. Stud Kits (200,000psi). Hex Head withsplayed bolts. Converts 2-Bolt to 4-Bolt, Splayed Outer Bolts, 3 Pieces. Precision CNC machined from superior quality low carbon 1020 billet...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $99.75
    • (0 reviews)
      # 301759278
      Chevy Bel Air 1973, Main Cap Kit by Milodon®. These aftermarket main caps will strengthen not only factory 2 bolt blocks, but also 4 bolts. Unlike the factory caps, these not only have more cross sectional strength, but the real secret...
      Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology
      $102.52 - $306.48
    • (0 reviews)
      # mpn358729041
      Chevy Bel Air With Assm for 18 Degree Head 1973, Valley Plate Assembly by Chevrolet Performance®. Universal aluminum valley plate is designed for use with 18° cylinder heads. Can be used with dedicated 2-piece manifold spiders,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $398.60
    • (0 reviews)
      # 557453045
      Chevy Bel Air 1973, Main Bearing Cap Set by Pro-Gram Engineering®.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $86.83 - $422.13
    • (0 reviews)
      # 967979446
      Chevy Bel Air 1973, Complete Engine Storage Block Off Kit by Speedmaster®. Made of strong and durable plastic, these Speedmaster engine block-off kits protect your engine by blocking off open ports during storage or as a work in...
      Created by professionals to meet your requirementsSuperior longevity and dependability
      $19.38
    • (0 reviews)
      # mpn4493914638
      Chevy Bel Air 6.6L / 7.4L 1973, Big Victor 3 Series Valley Cover Gasket by Edelbrock®. Edelbrock one-piece hardened steel pushrods are manufactured from high quality 4130 Chromoly steel tubing that has been surface hardened for maximum...
      The finest quality at a great priceEdelbrock carry everything needed to complete the job
      $29.95
    • (0 reviews)
      # 335498243
      Chevy Bel Air 1973, Expansion Plug by Proform®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $21.02 - $26.54
    • (0 reviews)
      # 335483500
      Chevy Bel Air H / K / R Engine VIN Character With Chevy Small Block 1973, Expansion Plug Insert Expansion Plug Insert by Proform®. This product is made of high-quality materials to serve you for years to come. Designed using...
      Officially Licensed GM ProductsCarefully designed to improve the performance of your vehicle
      $28.66 - $32.09
    • (0 reviews)
      # 301785466
      Chevy Bel Air 1973, Crankshaft Scraper by Milodon®. Get additional "free" horsepower by installing the Crankshaft Scraper. A Crankshaft Scraper will remove any excess oil left on the crank & rods that the windage tray does not remove....
      Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology
      $11.73
    • (0 reviews)
      # 301785802
      Chevy Bel Air 1973, Premium Main Studs by Milodon®. Studs are required where maximum loading & reduced wear and tear on the block threads are desired. Aircraft quality 8740 chrome moly steel is used to produce premium grade, race...
      Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology
      $86.14 - $227.78
    • (0 reviews)
      # mpn753352511
      Chevy Bel Air 4.1L 1973, Side Plate by BTP®. Get more out of your engine with this premium part! It ensures long-lasting durability and provides significant increases for your engine performance. Thanks to great design and precision...
      Designed for the most power and maximum performanceRight for your vehicle and lifestyle
      $7.65
    • (0 reviews)
      # mpn1151263853
      Chevy Bel Air 5.7L 1973, Brass Freeze Expansion Plug Kit by DNJ Engine Components®. Designed utilizing the latest technology, this product by DNJ Engine Components features premium quality and will perform better than advertised....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $14.73
    • (0 reviews)
      # mpn4524650217
      Chevy Bel Air H Engine VIN Character 1973, Autograde™ Bagged Brass Shallow Cup Oil Galley Plug by Dorman®. Dorman’s Engine Oil Galley Plugs are available in multiple styles, including Cup Type, Pilot Seal™, Reverse Taper, Concave,...
      Direct replacement for a proper fitDurable materials ensure a long service life
      $0.65
    • (0 reviews)
      # mpn4524650232
      Chevy Bel Air H Engine VIN Character 1973, Autograde™ Boxed Brass Shallow Cup Oil Galley Plug Kit by Dorman®. Dorman’s Engine Oil Galley Plugs are available in multiple styles, including Cup Type, Pilot Seal™, Reverse Taper,...
      Direct replacement for a proper fitDurable materials ensure a long service life
      $6.31
    • (0 reviews)
      # 31549868
      Chevy Bel Air 1973, Autograde™ Expansion Plug by Dorman®. Designed utilizing the latest technology, this product by Dorman features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $1.05 - $13.63
    • (0 reviews)
      # mpn4508032065
      Chevy Bel Air 5.7L 1973, Hex Flat Lifter Plug Bolt by Dura-Bond®. 15/16-18 x 1/2 Hex. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...
      Rigorously tested to withstand years of abuseHigh-grade materials for long-lasting durability
      $0.16
    • (0 reviews)
      # mpn4508032107
      Chevy Bel Air 1973, Internal Hex Oil Galley Plug by Dura-Bond®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....
      Rigorously tested to withstand years of abuseHigh-grade materials for long-lasting durability
      $0.44
    • (0 reviews)
      # mpn4508032044
      Chevy Bel Air 5.7L / 6.6L 1973, Oil Galley Rear Main Plug by Dura-Bond®. 12 mm Check Ball. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high...
      Rigorously tested to withstand years of abuseHigh-grade materials for long-lasting durability
      $0.51
    • (0 reviews)
      # 72481647
      Chevy Bel Air 1973, Expansion Plug Kit by Melling®. Designed utilizing the latest technology, this product by Melling features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $2.82 - $13.59
    • (0 reviews)
      # 1087924045
      Chevy Bel Air 5.7L / 6.6L 1973, Engine Bolt Kit by Pioneer Automotive®. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than advertised. Perfect for your...
      Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions
      $33.22 - $36.66
    • (0 reviews)
      # 929868785
      Chevy Bel Air 1973, Expansion Plug Kit by Pioneer Automotive®. Designed utilizing the latest technology, this product by Pioneer Automotive features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Made to deliver reliable service for a long timeRugged construction to withstand harsh conditions
      $2.74 - $51.29
    • (0 reviews)
      # 929962966
      Chevy Bel Air 1973, Expansion Plug by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
      Direct replacementManufactured to strict engineering quality standards
      $0.34 - $1.73
    • (0 reviews)
      # 930032811
      Chevy Bel Air 1973, Expansion Plug Kit by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...
      Direct replacementManufactured to strict engineering quality standards
      $6.25 - $15.82
    • (0 reviews)
      # mpn4524650221
      Chevy Bel Air 5.7L 1973, Steel Deep Cup Freeze Plug Freeze Plug by Sealed Power®. Designed utilizing the latest technology, this product by Sealed Power features premium quality and will perform better than advertised. Perfect for your...
      Direct replacementManufactured to strict engineering quality standards
      $1.02
    • (0 reviews)
      # 557481353
      Chevy Bel Air 5.7L / 6.6L / 7.4L Chevy Big Block Mark IV 1973, Big M Sportsman Iron Bare Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of...
      Standard 9.800" and tall 10.200" deck heights available for stroker enginesStandard 4.250" , 4.500" or 4.600" bore sizes with siamesed extra thick cylinder walls to resist cracking and improve ring seal (minimum .300" thick with 4.625" bore)
      $2,383.97 - $2,459.49
    • (0 reviews)
      # 557501703
      Chevy Bel Air 5.7L / 6.6L / 7.4L Chevy Big Block Mark IV 1973, Big M Sportsman Iron Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of...
      Standard 9.800" and tall 10.200" deck heights available for stroker enginesStandard 4.250" , 4.500" or 4.600" bore sizes with siamesed extra thick cylinder walls to resist cracking and improve ring seal (minimum .300" thick with 4.625" bore)
      $2,880.33 - $2,973.84
    • (0 reviews)
      # 557544472
      Chevy Bel Air 5.7L / 6.6L / 7.4L Chevy Big Block Mark IV 1973, Big M Aluminum Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $6,441.23 - $6,700.62
    • (0 reviews)
      # 557495279
      Chevy Bel Air 7.4L With Chevy Big Block MRK IV, Gen V, Gen VI 1973, Big M GEN V Full Water Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $2,383.97
    • (0 reviews)
      # 557524694
      Chevy Bel Air 7.4L With Chevy Big Block MRK IV, Gen V, Gen VI 1973, Big M MRK IV Full Water Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $2,383.97
    • (0 reviews)
      # 557523764
      Chevy Bel Air 5.7L / 6.6L / 7.4L Chevy Big Block Mark IV 1973, Big M Pro Iron Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $3,695.71
    • (0 reviews)
      # 1093456647
      Chevy Bel Air 5.7L / 6.6L / 7.4L Chevy Big Block Mark IV 1973, Big M Race Aluminum Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6,700.62
    • (0 reviews)
      # 557584557
      Chevy Bel Air 7.4L With Chevy Big Block MRK IV, Gen V, Gen VI 1973, Big M Sportsman Gen V Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $2,383.97
    • (0 reviews)
      # 839820080
      Chevy Bel Air 5.7L / 6.6L With Chevy Small Block Gen I Engine Stud 1973, Iron Eagle 23° Cylinder Head by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $307.92 - $756.48
    • (0 reviews)
      # 557576490
      Chevy Bel Air 5.7L / 6.6L / 7.4L Chevy Small Block Gen I 1973, Little M Pro Iron Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $3,314.99 - $4,099.07
    • (0 reviews)
      # mpn4478562548
      Chevy Bel Air 5.7L / 6.6L / 7.4L Chevy Small Block Gen I 1973, Race Series Aluminum Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6,211.44
    • (0 reviews)
      # 557557561
      Chevy Bel Air 5.7L / 6.6L / 7.4L Chevy Small Block Gen I 1973, Special High Performance Iron Engine Block by Dart®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $1,802.07
    • (0 reviews)
      # 86947413
      Chevy Bel Air 1973, Center Main Bearing Caps by Pro-Gram Engineering®.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $173.94 - $464.26
    • (0 reviews)
      # 86947423
      Chevy Bel Air With Chevy Small Block Engine 1973, Main Cap Support Strap by Pro-Gram Engineering®.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $36.69 - $89.42
    • (0 reviews)
      # 776198951
      Chevy Bel Air 1973, Crankshaft Main Bearing Cap Girdle by PRW®. Designed utilizing the latest technology, this product by PRW features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...
      Made with precision and quality in mindDesigned to meet your specific needs
      $50.00 - $55.60
    • (0 reviews)
      # mpn4478562644
      Chevy Bel Air 5.7L / 6.6L Chevy Small Block Gen I 1973, Main Stud Kit by Dart®. 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $177.84
    • (0 reviews)
      # 1093456657
      Block Sleeve by Dart®. 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. Designed to provide a perfect fit for a hassle...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $75.57 - $113.36
    • (0 reviews)
      # 1093480573
      Brodix™ Cylinder Sleeve by Darton Sleeves®.
      $96.37 - $101.34
    • (0 reviews)
      # 1093485581
      Cylinder Sleeve Cylinder Sleeve by Darton Sleeves®. 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. Designed to provide...
      $111.12 - $118.38
    • (0 reviews)
      # 1093488608
      High Performance Main Bolt by ARP®. The engineers at ARP spent quite a bit of time developing these highly effective, unique oil pan studs. They’re designed to make it as easy as possible to install a pan and seal it properly....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $38.72 - $87.82
    • (0 reviews)
      # 1093446676
      Pro Series Main Bolt by ARP®. The engineers at ARP spent quite a bit of time developing these highly effective, unique oil pan studs. They’re designed to make it as easy as possible to install a pan and seal it properly. You’ll note...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $70.74 - $170.13




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