Beach RC says... 

The HB Racing E819RS 1/8 4WD Electric Off-Road Buggy Kit takes everything you love about the HB D819 and optimizes the platform for e-buggy racing with the latest factory updates to keep it ahead of the competition.

 Drivetrain refinements include updated front & rear diff ratio and center outdrive system for easier assembly and maintenance, and updated center drive dogbones. 

E819rs Features:

• RS style V3 rear shock tower
• 2 degree steering block set
• revised caster block with larger set screws
• delrin steering block bushings
• screw-type shock pins
• heavy duty servo saver spring
• heavy duty aluminum center chassis brace
• 1 piece sway bar links