Independent Genuine Parts Suspension Cushions feature ultra-high rebound urethane formula for high performance and less break in time. Designed to fit Independent trucks as well as most other brands including Venture and Thunder*. Available in cylinder in 78a, 88a, 90a, 92a, 94a, and 96a and conical in 88a, 90a, and 92a. ; Thunder Trucks is a trademark of SF Deluxe Productions, Inc.