Husqvarna 372XP Chainsaw Cryogenically Hardened Crankshaft NEW 503 72 91-76 briggs&stratton Part # A411000242

Part # A411000242

501 63 71-01

Part Name: flywheel

Super EZ Auto

Husqvarna 372XP Chainsaw Cryogenically Hardened Crankshaft NEW 503 72 91-76 briggs&stratton Part # A411000242Crankshaft and rod assembly with main case bearings (738 22 02 25). 503 72 91 76. New parts that we have had cryogenically freeze treated for greatly improved hardness and durability. Read up on cryogenic hardening on wikipedia here. The main bearings are high quality, import, traditional C3 speed rated ball bearings. The crankshaft is a replacement Italian made crankshaft that meets (and we feel even exceeds original quality). The cryogenic hardening