The H10049FR upper link bar set is machined from 7075-T6 aluminum with an integrated profile intended to stiffen the suspension geometry compared with common stamped or molded parts. The bars use an arcuated contour around the steel pivot-ball seats; that curvature helps retain the pivot balls in position while preserving the factory mounting points and angles.
Measured dimensions are provided for fit verification: front upper link center-to-center is 139mm with a cross-section thickness of 4.0mm; rear upper link center-to-center is 129mm with a thickness of 5.0mm. The set replaces factory part number IRC00307 and maintains the original pivot-ball spacing so it registers on the same posts used by the stock links.
Shifting to 7075-T6 alloy for upper links increases longitudinal and torsional stiffness at the suspension link plane. In practical terms for an electric buggy chassis this translates to a more consistent link plane under load, which tends to make handling inputs feel steadier through directional changes and uneven terrain. The integrated design reduces flex paths found in multi-piece links while keeping pivot geometry unchanged.
The part is intended for the VANQUISH product line H10 Optic variants. Confirm fit against the listed model identifiers if you are matching parts on an H10 OPTIC platform:
The package contains four upper link bars pre-assembled as a set. The original name and part reference is IRC00307. A medium-strength screw adhesive is suggested by the manufacturer to help maintain fastener security during use.
The GPM H10049FR upper link bar set offers a direct-fit, 7075-T6 alloy option for H10 Optic platforms seeking firmer link support and consistent pivot retention. Its dimensional parity with the stock parts simplifies replacement for hobbyists focused on component-level upgrades or restoration.
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