SKU: BDSCH-4001
MPN: CH-4001
The Steel Crank Hub Mopar 340-440 by Blower Drive Service is a precision-engineered crankshaft hub designed specifically for small-block Mopar engines in the 340 and 440 displacement range. This component is ideal for engine builders and restoration specialists working with classic Mopar platforms, providing a reliable solution for maintaining crankshaft dynamics.
Manufactured from durable steel with a black oxide finish, this hub offers corrosion resistance and a factory-correct appearance for restoration work. It serves as the structural interface between the crankshaft and harmonic balancer, ensuring proper fitment with OEM and compatible aftermarket harmonic balancers engineered for small-block Mopar applications.
Whether rebuilding a 1968–1978 340 or the larger 440 variants found in Dodge and Plymouth muscle cars, engine shops and dedicated enthusiasts rely on Blower Drive Service hubs for high-performance street and competition applications. This part integrates seamlessly into both original equipment setups and modern performance configurations, making it a versatile choice for any Mopar engine build.
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