Husqvarna 372XP Chainsaw Cryogenically Hardened Crankshaft NEW 503 72 91-76 briggs&stratton 056 Magnum

056 Magnum

Part number 50200042 R

Part # A411000242

1133 140 0601

Complete 47mm bore

Husqvarna 372XP Chainsaw Cryogenically Hardened Crankshaft NEW 503 72 91-76 briggs&stratton 056 MagnumCrankshaft 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