The BUL-18006-GU is a precision gunmetal centre bulkhead made for HPI Bullet Flux chassis, supplied with a bearing to support the driveshaft and improve driveline alignment under varied tuning conditions.
The alloy construction offers a stronger mounting point than stock plastic components, helping to preserve correct gear mesh and reduce mid-chassis movement when you refine suspension or alter pinion and spur combinations. The bearing reduces rotational slack for more predictable power transfer.
Fitting the unit requires partial chassis teardown to remove the original bulkhead; take care with alignment to avoid introducing preload on the bearing and to maintain correct driveline geometry. This is an RC model part intended for tuning and competitive use only.
Install this centre bulkhead to tighten the chassis centre and keep driveline play under control for fine-tuned HPI Bullet Flux performance.
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