GPM Racing 6061-T6 Alloy Front/Rear Adjustable Progressive Spring Shock 89mm for Vanquish 1/10 H10 Optic Kit (H10089F/R)

Adjustable 89mm progressive shocks

This oil-filled, 6061-T6 alloy shock set is designed as a direct upgrade for the VANQUISH H10 Optic platform and compatible RTR kits. Each shock is supplied with a black progressive spring (wire diameter 1.0mm) and an adjustable top spring retainer to vary preload and effective spring rate. The dampers are sealed and injected with 350cSt silicone oil for consistent damping feel at model scale.

Key mechanical notes taken from the original parts: center-to-center length is 89mm allowing fitment front or rear, the shock shaft diameter is increased from the original 3.0mm to 3.5mm for improved stiffness, and the progressive spring gives a softer initial stroke that ramps up under load to help adapt to different surface or payload conditions. This is an RC-scale accessory intended for suspension tuning and replacement use only.

Installation is straightforward for the listed VANQUISH H10 Optic kits: remove the factory unit, retain mounting hardware if reusable, and fit the replacement at the same mounting points. Use the top spring retainer to adjust initial spring compression and test incrementally to find the desired balance between compliance and control.

Packing includes

• Shock – 2pcs

Original Name / Part No:

IRC00501,VPS10350

Compatible Models

• VANQUISH PRODUCTS 1/10 H10 OPTIC KIT-VPS09027
• VANQUISH PRODUCTS 1/10 H10 Optic Yokohama RTR-VPS09010A
• VANQUISH PRODUCTS 1/10 H10 Optic Sparco RTR-VPS09010B

Use these 6061-T6 alloy progressive shocks to tune spring feel and damping on VANQUISH H10 Optic 1/10 models, adjusting the top retainer and testing on your typical track surface to dial ride characteristics.

Are these shocks compatible with both front and rear positions?

Yes, the shocks have an 89mm centre-to-centre length and are specified for front or rear shock areas on the listed VANQUISH H10 Optic kits.

What oil is used in these dampers and can it be changed?

The shocks are supplied injected with 350cSt silicone oil and sealed; changing oil is possible but requires careful disassembly to avoid leakage.

How does the progressive spring affect handling?

The progressive spring starts softer and gains stiffness under compression, providing better small-bump compliance initially and increased resistance under heavier loads or larger impacts.

Which factory parts do these replace?

These units are replacements for the factory part numbers listed as IRC00501 and VPS10350 according to the source information. Write Product Review Please sign in your account before you can write any review. Sign In Close

Made to order: GPM Racing parts are shipped to us from GPM’s factory, so please allow around 14 days for dispatch.