Looks like a quality set. 4340 are cast in waves. More material around the U-joint than the OEM so that alone should provide more strength.
CDHPOWER Black Aluminum Mag Wheels - 66Cc/80CC Gas Motorized Bicycle: Enhance Your Ride!
13 Review
4X4 Posi Lok PSL900 Axle Disconnect
8 Review
π§ Enhance Performance and Style with Yukon Gear & Axle (YP C1-GM8.5-R) Chrome Cover for GM 8.2/8.5/8.6 Rear Differential
8 Review
FRAM FT1223A Transmission Filter Kit
8 Review