Treal Hobby Brass Rear Inner Portal Housing Covers for Traxxas TRX-4 (Black) (2) (42.75g) 1/5 Scale These optional spring retainers are

These optional spring retainers are an easy way to upgrade your TRX-4M rock crawler

Produced in Light Weight version (85gr "ready to go")

Working brake and reverse lights

Max Battery Dimensions: 5

this motor mount aids in heat dissipation and helps prevent the motor from overheating

Treal Hobby Brass Rear Inner Portal Housing Covers for Traxxas TRX-4 (Black) (2) (42.75g) 1/5 Scale These optional spring retainers areTreal Hobby Traxxas TRX 4 Brass Inner Rear Portal Covers. Constructed from high quality heavy weight brass, these optional inner portal covers are intended for the Traxxas TRX 4 platforms for unparalleled durability and reliability while adding 85. 5g of total unsprung weight to lower the CG and enhance crawling performance and stability. Features: Perfect fit and upgrade for the Traxxas TRX 4 platforms High quality heavy weight brass Unparalleled