Rev9 2pc Cast T4 Turbo Manifold for GM Vortec LS3 LS4 Silverado Sierra Avalanche 0.5" Spring Front Rear Rate (kg/mm)

Spring Front    Rear    Rate (kg/mm) 14 9 Length (mm) 180 245 I

R350/500 (V251)

Improve handling and allow for even tire wear

Spring Front    Rear    Rate (kg/mm) 12 14 Length (mm) 180 180 I

Rev9 2pc Cast T4 Turbo Manifold for GM Vortec LS3 LS4 Silverado Sierra Avalanche 0.5" Spring Front Rear Rate (kg/mm)Rev9 cast iron exhaust manifold are extreme durable and easy bolt on installation. **Driver and Passenger Side** Features: Extremely Strong Casting T4 Clange w 2. 5" V Band Outlet Designed To Integrate w LS Swap Improve Exhaust Efficiency Kit Includes Both Driver's And Passenger's Side Bolt and Gasket are NOT INCLUDED Fitment Chart: Compatible with Chevy Silverado 1500 1999 2013 4. 8L 5. 3L 6. 0L 6. 2L engine Compatible with Chevy Avalanche 1500 2002