Manufactured from heavy-duty cast aluminium alloy, these brand-new semi-finished engine blocks utilize premium Darton sleeves for exceptional durability and performance. Designed to require minimal machining, these bare engine blocks are engineered to suit a wide range of internal component combinations readily available off the shelf.

The thick deck height provides superior head gasket sealing, while the priority main oiling system and dual lifter crossover provisions ensure consistent oil flow throughout the engine block under demanding conditions. Strength is further enhanced with upgraded 1/2" head studs and 7/16" main studs, combined with billet steel main caps featuring splayed outer studs for maximum bottom-end stability.

The block also provides crankshaft clearance for up to a 4.100" stroke, making it ideal for serious naturally aspirated, turbocharged, or supercharged applications. This aftermarket alloy engine block retains compatibility with many standard GM LS off-the-shelf components including camshafts, timing chains, oil pumps, oil pans, and oil filters, helping simplify the engine build process while reducing overall costs.

Aeroflow Cast Iron GM LS Engine Block, 4.000" Bore
9.240" Deck Height, 6-Bolt Main Caps

SKU AF96-1024
Brand AEROFLOW
Shipping Weight 80.0000kg
Shipping Width 0.500m
Shipping Height 0.500m
Shipping Length 0.500m
Shipping Cubic 0.125000000m3

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