Dart Blocks Aluminum Small Block Chevy and Ford

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DART Has Created The Ultimate Aluminum Small Block!
Working with leading engine builders, they incorporated features that make the Dart block the best choice for an all out competition engine.
The Dart aluminum small block is light, strong, and affordable w/displacements up to 455 cu.in. (4.190" bore x 4.125" stroke), and is ideal for sprint cars, modifieds, late model stock cars, dragsters, & unlimited competition classes.

Outstanding Features Include:
Raised exhaust ports produce outstanding airflow.
Oil pan rails spread .400" per/side (.800" total).
bolt holes relocated to increase crankshaft/rod clearance.
Main bearing bores available for 350 (2.45") and 400 (2.65")
Steel 4–bolt main bearing caps increase bottom end strength/minimize bearing bore
distortion Rear main cap has mount for internal oil pump.
2–piece rear main seal fits standard racing crankshafts w/o adapters.
Dual starter mounts allow starter to be mounted either side of block for chassis & oil pan
clearance.
Side & front engine mounts accommodate any type of chassis mounting.
Fuel pump boss mounts standard SB mechanical fuel pump
(requires .200" longer big–block pushrod)
Big–block cam bearings increase camshaft strength & reduce twisting w/cam–driven pumps.
Raised camshaft (4.912" camshaft–to–crankshaft centerlines) provides more clearance for
stroker cranks and eliminates need for fragile small base circle cams.

Small Block Chevrolet Blocks