440 Engine Block Casting 4006630

The 1975 Mopar 440 Block is an engine component identified by casting number 4006630-440-4. This specific block was cast on April 1, 1975. This Mopar 440 block is part of the 'Engines & Components' category, specifically within 'Block Parts'. It is noted for its casting number and date, which are critical identifiers for enthusiasts and mechanics sourcing specific engine components for classic Mopar vehicles. Discussions around the 4006630-440 casting number indicate variations in revision numbers and casting dates, with this particular unit dating to early 1975. These blocks are known for certain structural characteristics, such as thicker saddle areas supporting the crankshaft in later production runs (late 1975-1979 models).