CSI RS-23ST 4/5 Standard RR 7" Non-Adj Twin Tube Engine Fits Hyper 600cc and Lightning

Fits Hyper 600cc and Lightning Sprint Chassis

bearings must be packed with DAYLube™ High Performance Grease or equivalent quality grease

DAYLube™ High Performance Grease is highly recommended for this product as it does not fling off and is compatible with the treatment

Hyper Racing # 389-403

Measures 1-1/2" wider than the standard 69 tire

CSI RS-23ST 4/5 Standard RR 7" Non-Adj Twin Tube Engine Fits Hyper 600cc and LightningHyper Racing # 388 118 Several new design elements make the RS 23ST a must have for the upcoming season. CSI has completely re designed the base valve assembly resulting in a more robust and repeatable unit. In addition, they have lightened the body cap, upgraded the shaft seal, and improved the piston selection. New base valve design allows for low gas pressure in the gas chamber, drop it down to 10 PSI without worry of cavitation. Body: 6061 T6