Upgrade a Serpent Viper 990R GP with the Serpent 903894 spacer kit to control rear axle alignment and reduce unwanted flex. These spacers are made to consistent tolerances for reliable fitment and long service life, helping drivers get crisper turn in and steadier exits. A straightforward tuning item for club competitors and weekend drivers seeking cleaner rear-end response.
Copyright © 2008-2026 rcjaz.co.nz All rights reserved