Chevy Blocks

Dart blocks for small and big block Chevy engines are designed from the ground up for hard core racing, all the weaknesses of the factory castings have been addressed. Dart blocks are brand-new, fully machined, and virtually ready to assemble with off-the-shelf components. Don’t waste time on a questionable junkyard block or waste money on machining a “semi-finished” factory casting.

Chevy Iron Eagle Small Blocks

The Dart Iron Eagle eliminates the compromises found in production blocks. Iron Eagle small-blocks feature a raised cam location and spread oil pan rails, and are available in standard (9.025”) and tall-deck (9.325″) versions so you can select the crankshaft stroke and connecting rod length that’s right for your combination. The Dart Iron Eagle eliminates the compromises found in production blocks. Iron Eagle small-blocks are available in standard (9.025″) and tall-deck (9.325″) versions so you can select the crankshaft stroke and connecting rod length that’s right for your combination. We also offer a choice of 350 or 400 main bearings to fit factory and aftermarket cranks.  We raised the camshaft and spread the oil pan rails to provide extra clearance for stroker cranks. The versatile Iron Eagle block is the perfect starting point for a big-inch small-block project – you can build a 455ci small-block with Dart! We machine the Iron Eagle block to precise tolerances, eliminating the cost of expensive “blueprinting” a production block. Includes coated cam bearings, freeze plugs and dowels. Turbocharged, supercharged, and nitrous applications! Dart cast iron blocks are available with compacted graphite by special order. Double the strength without the added weight.

Chevy Small Blocks

Dart’s iron and aluminum blocks for small-block Chevy are loaded with features you won’t find in any factory casting. We’ve eliminated the compromises found in production blocks with extra-thick cylinder walls and decks, 4-bolt main bearing caps, and a competition oiling system. Our precision CNC machining and strict quality control measures mean you get optimum out of the box performance without requiring costly machining operations after purchase.

Little M Sportsman Blocks

The Little M Sportsman block is the affordable alternative for sportsman racers and serious street performance. Eliminate the time and expense of ‘blueprinting’ a stock block. The Sportsman is brand-new, fully machined, and virtually ready to assemble with off-the-shelf small-block components. The Little M Sportsman block is the affordable alternative for sportsman racers and serious street performance. Eliminate the time and expense of ‘blueprinting’ a stock block. The Sportsman is brand-new, fully machined, and virtually ready to assemble with off-the-shelf small-block components. With extra-thick cylinder walls, ductile iron main bearing caps (4-bolt on the center three and 2-bolt on the ends), and a competition oiling system, the Little M Sportsman is the perfect starting point for a powerful and reliable engine for the street or the race track. You can select 4.00″ or 4.125″ cylinder bores, and 350 or 400 main bearings. Don’t waste time on a questionable junkyard block or waste money on machining a “semi-finished” factory casting.

Little M Blocks

The Little M is designed from the ground up as a true high performance block which can be used with standard off-the shelf small block components. It is cast from premium high-strength iron and beefed up in all the critical areas. The Little M is designed from the ground up as a true high performance block which can be used with standard off-the shelf small block components. It is cast from premium high-strength iron and beefed up in all the critical areas. With a standard deck height, extra-thick cylinder walls, and a competition oiling system, the Little M is the perfect starting point for a powerful and reliable engine for the street or the race track. You can select 4.00″ or 4.125″ cylinder bores, and 350 or 400 main bearings. Front and rear external oil feed, crossover and restrictor provision. Includes coated cam bearings, freeze plugs and dowels.

Chevy Aluminum Small Blocks

We applied our years of experience in manufacturing aluminum cylinder heads to create the ultimate aluminum small-block. Working with leading engine builders, we incorporated features that make the Dart block the best choice for an all-out competition engine.

Item SBC Aluminum
Material Aluminum
Deck 9.025 9.325 9.500 (4.125 cylinder bore only)
Main Size 350 400
Cam 50mm BBC
Caps Steel
Cylinder Bore 4.000 4.125

We applied our years of experience in manufacturing aluminum cylinder heads to create the ultimate aluminum small-block. Working with leading engine builders, we incorporated features that make the Dart block the best choice for an all-out competition engine. With pressed in dry sleeves, the Dart aluminum small-block is light, strong, and affordable. We raised the camshaft and spread the oil pan rails to provide extra clearance for stroker cranks. With displacements up to 455 cubic inches (4.190” bore x 4.125″ stroke), the Dart aluminum block is ideal for sprint cars, Modified, late-model stock cars, dragsters, and unlimited competition classes. Includes coated cam bearings, freeze plugs and dowels.