Yokomo YX-40SBK Shock Spring for Pitching Dampers (Black)  [YX-40SBK]

Pitching damper spring for 1/12 YR‑X12

This shock spring is intended for the pitching damper on 1/12-scale competition on-road cars, supplied in a black finish and marked with volume 5.0. It is made to serve as a direct replacement spring for pitching-type dampers on the YR-X12 series, providing a defined mechanical element in the damper assembly used to control nose dive and pitch response during acceleration and braking.

Installation is straightforward for anyone familiar with 1/12 dampers: disassemble the pitching damper, remove the original spring, seat the Yokomo YX-40SBK spring in the spring retainer, then reassemble and check free movement before track use. No special tools are required beyond standard damper service tools.

In tuning terms, the YX-40SBK spring acts as one node in the overall pitch control strategy; its volume 5.0 designation indicates its intended role within Yokomo’s arranged spring setings for the YR-X12 platform, and it should be tried in conjunction with damper oil, piston choice, and other spring options to reach the desired front-end response and balance.