Kyosho XGS004 Big Bore Front Spring M-Hard (2)

Kyosho XGS004 is a genuine pair of medium-hard rate front shock springs for Kyosho's big bore dampers. These short S-size springs come from the X-Gear program, sorted for consistent rates so the left and right front corners behave the same way through every corner. Medium-hard sits one step above the medium baseline, reducing chassis roll and quickening steering response without going all the way to a stiff spring, which makes it a common choice as grip comes up through a race day.

They install as a direct-fit tuning option on Kyosho 1/10 buggies fitted with big bore front shocks, covering the Ultima RB5 and RB6 and the Lazer ZX-5 series, dropping in for the kit springs with no modification. Because the XGS series is built around published rate steps, this pairs directly with the medium and hard springs when you are working a setup through practice. Package includes two matched front springs.