These are Optional 45-56mm Threaded Aluminum Shocks for the HPI Nitro RS4,
  Nitro RS4 2, Nitro RS4 RTR, Nitro RS4 Racer, Nitro RS4 Racer 2, Super Nitro
           RS4, Pro, Pro 2, Sport, Sport 2, and other touring cars.

FEATURES: Aluminum shock bodies
          Purple anodized aluminum threaded shock caps
          knurled shock spring adjusting nut
          Five different pistons for various dampening rates

INCLUDES: Two 3x31mm shock shafts (6807)
          Two 10x4mm bladders (6814)
          Two shock part sets trees (6817)
          One 10mm piston set (6818)
          Four silicone O-rings P-3 clear (6820)
          Two pro linear springs 13x29mm blue 264 gf/mm
          Two shock bodies (50450)
          Two shock spring adjusting nuts (50451a)
          Two O-rings S-12 black (50451b)
          Four shock shaft guide collars (50534a)
          Two retainer clips (50534b)
          Two shock caps 12mm purple (A787)
          Four E-clips E-2 (Z242)

REQUIRES: Silicone shock oil (weight choice up to modeler), needle nose pliers
            for assembly, cutting parts from plastic parts trees, and
            assembly of shocks.

SPECS:    Total Length recommended by HPI: 64.5mm (2.54"); 69mm for Super Nitro

COMMENTS: For optional springs, use:
          HPIC6824 - 13x26x1.2mm 6.5 Coils (Copper/Soft) 147 gf/mm
          HPIC6825 - 13x26x1.2mm 6 Coils (Silver/Medium) 154 gf/mm
          HPIC6841 - Pro Linear Spring 13x27mm (Orange 216G/mm)
          HPIC6843 - Pro Linear Spring 13x27mm (Yellow 227G/mm)
          HPIC6844 - Pro Linear Spring 13x27mm (Red 238G/mm)
          HPIC6846 - Pro Linear Spring 13x27mm (Green 247G/mm)
          HPIC6849 - Pro Linear Spring 13x27mm (Pink 272G/mm)

          Note: Spring rates are calculated under 15mm compressed condition,
            stated as gram-force per millimeter.
            Specs listed as G/mm is equivalent to gf/mm.

                                                                     cmc 8/5/01
                                                                          ir/jl