Koswork 12mm Gold / Blue Big Bore Buggy Shock Set (F & R) (Kyosho, Tamiya & Yokomo)

12mm Big Bore Buggy Shock Set (F & R) (Kyosho, Tamiya & Yokomo) must have KOS04901  12mm Gold Body Black Big Bore Buggy Shock Set (F & R) (Kyosho, Tamiya & Yokomo)KOS04901TA  12mm Blue Big Bore Buggy Shock Set (F & R) (Kyosho, Tamiya & Yokomo)KOS04901GD  12mm Gold Big Bore Buggy Shock Set (F & R) (Kyosho, Tamiya & Yokomo) INTRODUCTION SPECIFICATION Features:*Direct replacement & upgrade for Kyosho Optima Mid series, Ultima, Ultima JJ, Optima, Turbo Optima, Javelin & other Kyosho buggy*Direct replacement & upgrade for Tamiya BB-01 BBX & other Tamiya buggy*For Yokomo YZ-870C / Team Associated YZ-10 (Higher shock towers will be needed.)*3 different color combinations available*Big bore shock set with 12mm pistons*Gold color or hard coated black color aluminum shock bodies*Polished inner shock body for slick & friction free performance*CNC machined 12mm pistons, made of self-lubricating material*Ti-Nitride coating shock shafts for long life and smooth action*Aluminum shock caps allow the utmost durability and consistency*Aluminum shock collars & bottom caps with knurled portion for increased grip*Aluminum shock spring retainers/cups provide a solid foundation for the shock springs*Optional springs and pistons available for fine tuning*Experience the benefits of better bump handling, more traction and consistent performance*Similar to the Tamiya Big Bore option shocks 54504 & 54505, but with better performance and value*These shocks are the same as KOS04351-1 & KOS04410, but with one more color. *Made In Taiwan *Cars, parts, accessories & others are not included.* Specification:5mm hole on the top of shock capShock ball ends designed for 5.8mm ballsPiston: Front 2×1.5mm / Rear 2×1.6mmStroke: Front 24mm / Rear 28.8mmOverall length: Front 84.2mm / Rear 99mm Compatibility:Kyosho Optima Mid Series, Ultima & Ultima JJ, Optima, Turbo Optima, Javelin & similar size carsTamiya DT-04 (5mm shock cap bushings, 5.8mm pivot balls, 3x15mm & 3x18mm screws needed)Tamiya BBX, BB-01, TT-02B, TT-02BR, TD4, DB02, DB01, DF-03, DF-02, DN-01, TRF503, TRF502X, TRF211XM, TRF211XMW, TRF201Yokomo YZ-870C / Team Associated YZ-10 For more information, please check the manual below.For Kyosho carsFor Tamiya carsFor Yokomo cars Parts List:KOS04801-34  34mm Front Alum Shock Body Hard Coated Black for 12mm Shock (2)KOS04801-34GD  34mm Front Alum Shock Body Gold for 12mm Shock (2)KOS04801-41  41mm Rear Alum Shock Body Hard Coated Black for 12mm Shock (2)KOS04801-41GD  41mm Rear Alum Shock Body Gold for 12mm Shock (2)KOS04803  Alum Shock Cap for 12mm Shock Black (2)KOS04805BK  Black Long 12.2mm Alum Shock Spring Retainer/Cup for 12mm Shock (2)KOS04805GD  Long 12.2mm Alum Shock Spring Retainer/Cup for 12mm Shock Gold (2)KOS04805TA  Long 12.2mm Alum Shock Spring Retainer/Cup for 12mm Shock Blue (2)KOS04806  O-Ring 12x1mm for Shock Cap 12mm Shock (4)KOS04807  Shock Spacer & Hat bushing Set for 12mm ShockKOS04808BK  Lower Shock Cap Black (2) 12mm & 13mm Shock AEKOS04808GD  Lower Shock Cap Set Gold (2) 12mm & 13mm ShockKOS04808TA  Lower Shock Cap Set Blue (2) 12mm & 13mm ShockKOS04809  O-Ring 8x1mm for Lower Shock Cap (4) 12mm & 13mm ShockKOS04811  O-Ring 14x1mm for Threaded Collar 12mm Shock (4)KOS04812BK  Threaded Collar w/O-rings Black for 12mm Shock AE Tamiya (2)KOS04812GD  Threaded Collar w/O-rings Gold for 12mm Shock (2)KOS04812TA  Threaded Collar w/O-rings Blue for 12mm Shock (2)KOS04821  Front Shock Shaft TiN Coated 3×41.25mm (2) 12mm & 13mm ShockKOS04826  Rear Shock Shaft TiN Coated 3×47.75mm (2) 12mm & 13mm ShockKOS04831-215 2×1.5mm Shock Piston, for 12mm shock AE (2)KOS04831-216 2×1.6mm Shock Piston, for 12mm shock AE (2)KOS04841-6  Shock Ball End / Eyelet (for 5.8mm ball) 13.4mm (4)KOS04841-7  Shock Ball End / Eyelet (for 5.8mm ball) 15.9mm (4)KOS04846BK  Black Short 9.2mm Alum Shock Spring Retainer/Cup for 12mm Shock (2)KOS04846GD  Short 9.2mm Alum Shock Spring Retainer/Cup for 12mm Shock Gold (2)KOS04846TA  Short 9.2mm Alum Shock Spring Retainer/Cup for 12mm Shock Blue (2)KOS04850-8.5T  Front Shock Spring White (44mm, 1.2/8.5T, 3.4 lb/in, ID 16.4mm, 12/13mm Shock) AE (2)KOS04851-9T  Rear Shock Spring Blue (61mm, 1.1/9T, 2.2 lb/in, ID 16.4mm, 12/13mm Shock) AE (2)KOSBS204  2x4mm Button Head Hex Hardened Steel Screw (w/container) (8)KOS402506-05  2.6x6x0.5mm 2.5mm Steel Washer / Shim Shiny (8)KOS40204-05NY  2x4x0.5mm 2mm Nylon Washer / Shim White (8)KOS02001  Low Friction X Ring (w/special o-ring grease) (for 3mm shaft) (8pcs) Option Parts:KOSBS315 3x15mm Button Head Hex Hardened Steel Screw (w/container) (8)KOSBS318 3x18mm Button Head Hex Hardened Steel Screw (w/container) (8) KOS04311 Kyosho 5.8mm Hard Anodized 7075 Flanged Pivot Ball (4)KOS04313 Kyosho 5.8mm Hard Anodized 7075 Pivot Ball (4)KOS04804 5mm Shock Cap Bushing for 12mm Shock (4) Black for Koswork, Kyosho & Tamiya KOS04831-217  2×1.7mm Shock Piston, for 12mm shcok (2) KOS04850-9T  Front Shock Spring Green (44mm, 1.2/9T, 3.1 lb/in, ID 16.4mm, 12/13mm Shock) AE (2)KOS04850-8T  Front Shock Spring Grey (44mm, 1.2/8T, 3.6 lb/in, ID 16.4mm, 12/13mm Shock) AE (2)KOS04850-7.5T  Front Shock Spring Blue (44mm, 1.2/7.5T, 3.9 lb/in, ID 16.4mm, 12/13mm Shock) AE (2)KOS04850-7T  Front Shock Spring Yellow (44mm, 1.2/7T, 4.3 lb/in, ID 16.4mm, 12/13mm Shock) AE (2)KOS04850-6.5T  Front Shock Spring Red (44mm, 1.2/6.5T, 4.6 lb/in, ID 16.4mm, 12/13mm Shock) AE (2)KOS04850-6T  Front Shock Spring Orange (44mm, 1.2/6T, 5.1 lb/in, ID 16.4mm, 12/13mm Shock) AE (2)KOS04850FSET Front Shock Spring Set (44mm, 3.6/3.9/4.3/4.6/5.1 lb/in, 12/13mm Shock) AE (5 Pairs) KOS04851-10.5T  Rear Shock Spring Green (61mm, 1.1/10.5T, 1.8 lb/in, ID 16.4mm, 12/13mm Shock) AE (2)KOS04851-10T  Rear Shock Spring White (61mm, 1.1/10T, 1.9 lb/in, ID 16.4mm, 12/13mm Shock) AE (2)KOS04851-9.5T  Rear Shock Spring Grey (61mm, 1.1/9.5T, 2.0 lb/in, ID 16.4mm, 12/13mm Shock) AE (2)KOS04851-8.5T  Rear Shock Spring Yellow (61mm, 1.1/8.5T, 2.3 lb/in, ID 16.4mm, 12/13mm Shock) AE (2)KOS04851RSET Rear Shock Spring Set (61mm, 1.8/1.9/2.0/2.3 lb/in, 12/13mm Shock) AE (4 Pairs)