The 3Racing RE-021/G is a 12-fin engine heatsink for the Traxxas Revo chassis, supplied in a gold finish to increase head surface area for passive cooling. It is intended to be mounted directly to the engine head to help manage temperature during longer sessions.
Fitment notes: this unit is intended to use the Revo head's existing screw locations. Before final fitment check clearance with the air filter assembly, carburettor, and the inner body shell. Confirm screw type and length to avoid interference with the head internals.
On-track role: fitting a finned heatsink can reduce temperature rise under continuous running, contributing to steadier engine behaviour. Consider the heatsink's profile when modifying body height or routing intake components.
Upkeep: remove packed dirt and fuel build-up from fins, inspect mounting hardware regularly, and ensure the heatsink clears any moving linkages or fittings after installation.
Copyright © 2008-2026 rcjaz.com.au All rights reserved