This is an RC-scale front shock assembly produced by GPM for HPI Baja applications, supplied as one pair with an L-shape lower mount and piggyback reservoir. The body material is aluminum, and the unit length is 186mm as stated in the product title.
Intended role and setup: the L-shape lower section positions the shock eye relative to the Baja front suspension layout, while the piggyback reservoir separates some oil volume for more consistent damping under heavy use. Use standard shock oil grades and progressive tuning steps when changing pistons or springs to dial in compression and rebound response.
Installation notes: confirm mounting hole spacing and length against the Baja shock towers before fitment, replace one pair at a time to keep predictable handling, and verify preload and end-point travel after installation. These dampers are described as adjustable; adjust damping via the reservoir and spring preload where accessible.
For hobbyists running HPI Baja platforms who want metal-bodied front dampers with piggyback adjustability, this GPM BJ186F/L pair offers a direct upgrade option when the 186mm length and L-mount geometry match the chassis. Measure mounting points before purchase and plan oil/spring choices to suit track or off-road conditions.
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