They are also less expensive than a new spring kit and relatively simple to install. Help others learn more about this product by uploading a video! Reviewed in the United States on March 10, 2018. Additional information for residents of Quebec only:The regular annual rate for persons applying for the Triangle Mastercard and the Triangle World Elite Mastercard is 22.99% for cash transactions and related fees and 19.99% for all other charges. ROCHESTER, NY. Auto Parts v 35a54f35d (cn8c5) cv1440. 5.0. Enhances driving stability while extending suspension system and coil spring life. SureBilt Twist-In Rear Coil Spring Booster Part # FH540997 SKU # 540997 Free In-Store or Curbside Pick Up SELECT STORE Home Delivery Standard Delivery Estimated Delivery Mar. **Online prices and sale effective dates may differ from those in-store and may vary by region. Home Delivery. Please check compatibility before purchasing. Terms and Conditions apply. Select a store to see pricing & availability . Get your weekly flyer email directly to you. Ran them for a few months and did notice a difference. Find an Automotive Service Professional Good to use on the top or bottom of the spring, Reviewed in the United States on November 12, 2009. The inside groove from top to bottom is 1 inch, and th. Part # FH540997. 2008-2023, Amazon.com, Inc. or its affiliates. Need a little more bounce, give these a try you will not be disappointed. 2001-2010 Chevy / GMC Silverado, Sierra 2500HD, 3500HD - Firestone "Ride-Rite" Air Bag Helper Springs (NO-DRILL) [REAR], 2007-2018 Chevy / GMC 1500 Silverado, Sierra - Firestone "Ride-Rite" Air Bag Helper Springs (NO-DRILL) [REAR], 2001-2010 Chevrolet Silverado 2500 HD & 3500 1 Ton Pickup 2WD & 4WD - "Load Lifter 5000" Air Helper Springs [REAR], 2003-2013 Dodge Ram 2500 4WD - "Load Lifter 5000" Air Helper Springs [REAR], 2009-2018 Dodge Ram 1500 1/2 Ton Pickup 2WD & 4WD - "Air Lift 1000" Air Helper Springs [REAR], 2011-2016 Ford F-250, F-350 Super Duty 4WD (Fits w/ Fifth Wheel or Gooseneck) - "Load Lifter 5000" Air Helper Springs [REAR], 1997-2004 Ford F-150 including Heritage 1/2 Ton Pickup 2WD & 4WD - "Ride Control" Air Helper Springs [REAR], 2002-2008 Dodge Ram 1500 - Firestone "Ride-Rite" Air Bag Helper Springs (NO-DRILL) [REAR], 2000-2006 Toyota Tundra 4WD - Firestone "Ride-Rite" Air Bag Helper Springs [REAR]. Auto Parts v 6c02f45cd (6m9kn) cv1440. How much is the internal height (Thickness) of the this booster? RubberShox | DuraShock - Improves Suspension - Home