Engines and Components Pistons and Piston Rings

Darton Sleeves

Repl Cyl Sleeve SBC Bow Tie Block 4.120 Bore

$100.60

SKU: D01N 100-2003

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In Stock
Ships by Jun 9
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Description

The Darton Sleeves 100-2003 is a cylinder sleeve designed for engine block applications. It features a 4.120-inch bore, 5.545-inch height, and a 4.272-inch outer diameter with a 0.076-inch wall thickness.

Constructed from steel, this sleeve is specifically intended for use with Bowtie Block Small Block Chevy engines. Darton is a manufacturer of engine block sleeves, utilizing specialized ductile iron for their products.

Fitment

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Specifications

BrandDarton Sleeves
Part NumberD01N 100-2003

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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