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Kyosho

Upgrade your Kyosho RC car with Koswork's precision-engineered option parts and hop-ups. Compatible with popular Kyosho platforms including the Optima and Lazer series — designed to improve performance and reliability on the track.

Koswork Phillips Screwdriver PH1 4mm 1/4" Drive Hex Mini-Z Power Tip KOS13207-P1
Koswork Phillips Screwdriver PH1 4mm 1/4" Drive Hex Mini-Z Power Tip KOS13207-P1
$7.99
Koswork Kyosho Mid Optima 2022 Carbon Rear Camber Link Mount 3mm KOS04328
Koswork Kyosho Mid Optima 2022 Carbon Rear Camber Link Mount 3mm KOS04328
$17.60
Koswork Kyosho Mid Optima 2022 Carbon Radio Plate/Tray/Upper Deck KOS04322
Koswork Kyosho Mid Optima 2022 Carbon Radio Plate/Tray/Upper Deck KOS04322
$39.00
Koswork Steel Heavy Duty Turnbuckle Set (7pcs, w/wrench) Kyosho Mid/Turbo/Optima/Javelin/Ultima KOS04301
Koswork Steel Heavy Duty Turnbuckle Set (7pcs, w/wrench) Kyosho Mid/Turbo/Optima/Javelin/Ultima KOS04301
$23.00
Koswork 3/32" Tungsten Carbide Ball Diff Balls (w/container) (14) (B6/B7 Series & Associated 2WD Cars) Yokomo, Kyosho, TLR, Xray KOS04132
Koswork 3/32" Tungsten Carbide Ball Diff Balls (w/container) (14) (B6/B7 Series & Associated 2WD Cars) Yokomo, Kyosho, TLR, Xray KOS04132
$9.00
Koswork Multifction Tool, Charger & Mini Car Bag KOS32216
Koswork Multifction Tool, Charger & Mini Car Bag KOS32216
$39.99
Koswork 20g/34g/50g Black Steel Shorty LiPo Weight 94x46mm KOS04241 / 04242 / 04243
Koswork 20g/34g/50g Black Steel Shorty LiPo Weight 94x46mm KOS04241 / 04242 / 04243
From $6.00
Koswork Kyosho Rear Brace Stiffener Set 1.5mm Carbon Graphite MP11 KOS04381-21
Koswork Kyosho Rear Brace Stiffener Set 1.5mm Carbon Graphite MP11 KOS04381-21
$10.50
Koswork Kyosho Rear Shock Tower Shock Stay 4mm Carbon Graphite MP11 KOS04381-19
Koswork Kyosho Rear Shock Tower Shock Stay 4mm Carbon Graphite MP11 KOS04381-19
$35.00
Koswork Kyosho Front Shock Tower Shock Stay 5mm Carbon Graphite MP11 KOS04381-17
Koswork Kyosho Front Shock Tower Shock Stay 5mm Carbon Graphite MP11 KOS04381-17
$29.00
Koswork Kyosho Steering Plate 3mm Carbon Graphite MP11 KOS04381-15
Koswork Kyosho Steering Plate 3mm Carbon Graphite MP11 KOS04381-15
$12.00
Koswork Kyosho Rear Arm Stiffeners Set Top 1.5mm Carbon Graphite (w/Screws) MP11 KOS04381-13
Koswork Kyosho Rear Arm Stiffeners Set Top 1.5mm Carbon Graphite (w/Screws) MP11 KOS04381-13
$22.50
Koswork Kyosho Front Arm Stiffeners Set Top 1.5mm Carbon Graphite (w/Screws) MP11 KOS04381-11
Koswork Kyosho Front Arm Stiffeners Set Top 1.5mm Carbon Graphite (w/Screws) MP11 KOS04381-11
$18.50
Koswork Kyosho Center Diff Plate 3mm Carbon Graphite MP11 KOS04381-09
Koswork Kyosho Center Diff Plate 3mm Carbon Graphite MP11 KOS04381-09
$18.50
Koswork Kyosho Front Upper Plate Top Deck 5mm Carbon Graphite MP11 KOS04381-07
Koswork Kyosho Front Upper Plate Top Deck 5mm Carbon Graphite MP11 KOS04381-07
$27.00
Koswork Kyosho (-2 & Stock) Steering Arm / Front Knucle Plate Set 3mm Carbon Graphite MP11 KOS04381-05
Koswork Kyosho (-2 & Stock) Steering Arm / Front Knucle Plate Set 3mm Carbon Graphite MP11 KOS04381-05
$12.00
Koswork Kyosho Throttle Servo Plate 3mm Carbon Graphite MP11 KOS04381-03
Koswork Kyosho Throttle Servo Plate 3mm Carbon Graphite MP11 KOS04381-03
$16.50
Koswork Kyosho Steering Servo Plate 3mm Carbon Graphite MP11 KOS04381-01
Koswork Kyosho Steering Servo Plate 3mm Carbon Graphite MP11 KOS04381-01
$23.00
Koswork Kyosho 4.3mm Anti-Roll Bar Stabilizer Ball Gold (2) KOS04305-8
Koswork Kyosho 4.3mm Anti-Roll Bar Stabilizer Ball Gold (2) KOS04305-8
$5.00
Koswork 5mm Shock Cap Bushing for 12mm Shock (4) Black for Koswork, Kyosho & Tamiya KOS04804
Koswork 5mm Shock Cap Bushing for 12mm Shock (4) Black for Koswork, Kyosho & Tamiya KOS04804
$6.50
Koswork 12mm Gold / Blue Big Bore Buggy Shock Set (F & R) (Kyosho, Tamiya & Yokomo) KOS04901
Koswork 12mm Gold / Blue Big Bore Buggy Shock Set (F & R) (Kyosho, Tamiya & Yokomo) KOS04901
$90.00
Koswork Kyosho Front/Rear 12mm Blue/Gold Big Bore Buggy Shock Set (2) KOS04351-1
Koswork Kyosho Front/Rear 12mm Blue/Gold Big Bore Buggy Shock Set (2) KOS04351-1
From $47.00
Koswork Kyosho 12mm Blue Big Bore Buggy Shock Set (F & R) KOS04351-1
Koswork Kyosho 12mm Blue Big Bore Buggy Shock Set (F & R) KOS04351-1
$90.00
Koswork Threaded Collar w/O-rings for 12mm Shock AE Tamiya (2) KOS04812
Koswork Threaded Collar w/O-rings for 12mm Shock AE Tamiya (2) KOS04812
$9.00
Koswork Lower Shock Cap (2) 12mm & 13mm Shock AE KOS04808
Koswork Lower Shock Cap (2) 12mm & 13mm Shock AE KOS04808
$7.00
Koswork Long 12.2mm Alum Shock Spring Retainer/Cup for 12mm Shock (2) KOS04805 KOS04846
Koswork Long 12.2mm Alum Shock Spring Retainer/Cup for 12mm Shock (2) KOS04805 KOS04846
$17.00
Koswork Alum Shock Cap for 12mm Shock Black (2) for Koswork & Tamiya KOS04803
Koswork Alum Shock Cap for 12mm Shock Black (2) for Koswork & Tamiya KOS04803
$17.00
Koswork Alum Shock Body Gold / Hard Coated Black for 12mm Shock (2) KOS04801
Koswork Alum Shock Body Gold / Hard Coated Black for 12mm Shock (2) KOS04801
From $20.00
Koswork Kyosho Rear Optima Mid Stabilizer Anti-Roll Bar Set (w/ R1.2 bar) KOS04305R
Koswork Kyosho Rear Optima Mid Stabilizer Anti-Roll Bar Set (w/ R1.2 bar) KOS04305R
$21.00
Koswork Kyosho Front Optima Mid Stabilizer Anti-Roll Bar Set (w/ F1.4 bar) KOS04305F
Koswork Kyosho Front Optima Mid Stabilizer Anti-Roll Bar Set (w/ F1.4 bar) KOS04305F
$7.00
Koswork CVA Bone 63.5mm (2) (for KOS04303) KOS04303-1
Koswork CVA Bone 63.5mm (2) (for KOS04303) KOS04303-1
$21.00
Koswork Kyosho Ultima Steel Heavy Duty Turnbuckle Set (6pcs, w/wrench) Ultima Series KOS04361-01
Koswork Kyosho Ultima Steel Heavy Duty Turnbuckle Set (6pcs, w/wrench) Ultima Series KOS04361-01
$21.40
Koswork Aluminum 7075 Servo Screw 3x7mm Blue (4) KOS40101BL
Koswork Aluminum 7075 Servo Screw 3x7mm Blue (4) KOS40101BL
$6.00
Koswork M2 Aluminum Nylon Lock Nuts Mini-Z Blue (w/container) (5) KOS04371-1
Koswork M2 Aluminum Nylon Lock Nuts Mini-Z Blue (w/container) (5) KOS04371-1
$4.50
Koswork Kyosho Mid Optima 2022 23T Aluminum Clamping Servo Horn 15mm (JR/Sanwa/KO) KOS04317
Koswork Kyosho Mid Optima 2022 23T Aluminum Clamping Servo Horn 15mm (JR/Sanwa/KO) KOS04317
$18.00
Koswork Phillips Screwdriver PH00 2mm 1/4" Drive Hex Mini-Z Power Tip KOS13207-P00
Koswork Phillips Screwdriver PH00 2mm 1/4" Drive Hex Mini-Z Power Tip KOS13207-P00
$7.99
Koswork Mini-Z 4pcs Mini Car Tool Set (H1.5, N4.5, P00 & P1) 1/4" Drive Hex KOS13204-1/4MINI4
Koswork Mini-Z 4pcs Mini Car Tool Set (H1.5, N4.5, P00 & P1) 1/4" Drive Hex KOS13204-1/4MINI4
$29.99
Koswork 3mm Steel Heavy Duty Turnbuckle (2pcs) Associated Kyosho KOS12321/12327/12331/12335/12338/12345/12348/12358
Koswork 3mm Steel Heavy Duty Turnbuckle (2pcs) Associated Kyosho KOS12321/12327/12331/12335/12338/12345/12348/12358
$6.50
Koswork Aluminum Nylon Lock Nuts (w/container) (8) KOSN1004/1004GD/1007/1007GD/1008/1009/1009F
Koswork Aluminum Nylon Lock Nuts (w/container) (8) KOSN1004/1004GD/1007/1007GD/1008/1009/1009F
On Sale from $4.50 $8.99 Sale
Koswork Kyosho Mid Optima 2022 Carbon Front & Rear Suspension Plate Set KOS04330
Koswork Kyosho Mid Optima 2022 Carbon Front & Rear Suspension Plate Set KOS04330
$13.70
Koswork CVA Lightweight Aluminum Axle Cup (2) (for KOS04303) (for Team Associated B74 series) Kyosho KOS04303-3
Koswork CVA Lightweight Aluminum Axle Cup (2) (for KOS04303) (for Team Associated B74 series) Kyosho KOS04303-3
$7.50
Koswork CVA Axle (2) (for KOS04303) Kyosho KOS04303-2
Koswork CVA Axle (2) (for KOS04303) Kyosho KOS04303-2
$15.60
Koswork 3/32" Ceramic Precision Ball Diff Balls (w/container) (14) (B6/B7 Series & Associated 2WD Cars) Yokomo, Kyosho, TLR, Xray KOS04133
Koswork 3/32" Ceramic Precision Ball Diff Balls (w/container) (14) (B6/B7 Series & Associated 2WD Cars) Yokomo, Kyosho, TLR, Xray KOS04133
$13.00
Koswork Team Associated CVA/Wheel Hex Hardened Pins 1.6x9.7mm (w/container) (8) KOS04122
Koswork Team Associated CVA/Wheel Hex Hardened Pins 1.6x9.7mm (w/container) (8) KOS04122
$4.00
Mini-Z Quick Release 1/4" Drive Hex Driver Set (H1.5, N4.5, P00 & P1) KOS13211
Mini-Z Quick Release 1/4" Drive Hex Driver Set (H1.5, N4.5, P00 & P1) KOS13211
$41.99