Suspension Upgrade Kit, Series I and II E-Type. Includes high performance front/rear anti-sway bar kit and six GAZ shock absorbers. Save five percent over the individual prices. This kit will not show as being in stock but no worries; it is assembled from individual pieces when ordered. Sway Bars & Shocks. If you're in the market for an upgrade in shocks and larger sway bars, XKs Unlimited offers these suspension parts at a savings when purchased in the combinations listed below. For Series I and II.