Rear Shock Seal Head Kit. Turner Performance Products Rear Shock Seal Head Assemblies come as complete units, ready to install, for a fast, professional-quality shock service. Designed as direct O.E.M. replacements, they feature the latest O.E.M.-style seal with pre-scraper for improved contamination control, and an integrated air bleed hole in every design for easier re-assembly and bleeding. Features: Complete assembly, ready to install. Direct O.E.M. replacement featuring the latest O.E.M.-style seal with pre-scraper. Integrated air bleed hole in all designs for easy re-assembly. Note: Kit contents will vary by fitment, are subject to change and may not match the image shown. Kit Includes: 1 aluminum head only, 18x50. 1 O-ring(s). 1 rear shock bumper(s). 1 rear shock dust seal(s), 18-28-7.3/10. 1 rear shock oil seal(s), 18x28x6.