so an unworn ball nut keeps the front end smooth and free of slop

Genuine Traxxas replacement part 8292

Ultra / Super  / Soft - Recommended for very low grip surfaces like dirt and fine asphalt

Multiple protections: low-voltage cutoff

Traxxas 9114-BLUE - Interior Kit Blue For TRX-4 Blazer Lazer ZX Parts so an unworn ball nutTraxxas 9114 BLUE Interior Kit Blue For TRX 4 Blazer. TRX 4 Blazer Blue interior Quick Features Modeled after 1969 and 1972 Blazer Includes molded roll bar, gauge cluster, steering wheels, shift lever, and center console Multiple steering wheel options for a stock or custom look Precision decals and chrome trim Clipless mounting Interior conveniently mounts to clipless body Requires 9130 series or 9131 series clipless Blazer bodies