MN82 LC79 New Metal Upgrades For The Rear Suspension & Test Run

I bought the latest upgrades for the rear suspension of my MN82 LC79 Toyota.
This video includes a brief summary of those parts, a test run, and my views about whether they are worth buying or not?

MN82 LC79 Toyota 1/12 Scale.

Upgrades & Mods:
Front & Rear Metal Axles with Metal Gears and Metal Bearings
Metal Steering Links
Metal Upper & Lower Front Suspension Links
Metal Axle Truss (for front suspension links & servo)
Metal Shocks Front & Rear (not oil filled)
Metal Front Shock Towers
Metal Gear Set (gearbox transmission)
Metal Prop Shafts
Metal Leaf Springs
Metal Brackets for Leaf Springs
M3x5mm Stainless Steel Hex Head Grub Screws For Propshafts
Metal Servo Horn
WPL V3 Wheels (old version)
WPL Metal Wheel Weights (front wheels only)
WPL V1 Soft Tyres 67mm Diameter
WPL 370 Brushed Motor with 10T Metal Pinion Gear
Metal Adapter Mount For 370 Motor
Surpass Hobby S0017M 1.8kg Digital Metal Gear Servo
Rear Leaf Spring Heat Shrink Mod.
Driver: McFarlane Toys Abraham Ford 5.25" Action Figure Walking Dead Series 6