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Hop-Up Parts

Discover a wide range of tuning hop-ups and performance parts to enhance your vehicles performance. Shop now for top-quality upgrades and maximize your rides potential!

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Part, scale, color, and sale status
HD Steel 15T Pinion + 35T Spur Gear Set 1.5 MOD for Traxxas X-Maxx & XRT Sold out

HD Steel 8mm Bore 15T Pinion+35T Spur Gear Set 1.5 MOD for Traxxas X-Maxx & XRT | X-Monster Chassis | X-Maxx 4X4 with WideMaxx | Pro Scale Sand Car

Sold out
C33110
$25.99
HD Steel 14T Pinion + 35T Spur Gear Set 1.5 MOD for Traxxas X-Maxx & XRT

HD Steel 8mm Bore 14T Pinion+35T Spur Gear Set 1.5 MOD for Traxxas X-Maxx & XRT | X-Monster Chassis | X-Maxx 4X4 with WideMaxx | Pro Scale Sand Car

In stock
C33109
$25.99
HD Steel 13T Pinion + 35T Spur Gear Set 1.5 MOD for Traxxas X-Maxx & XRT

HD Steel 8mm Bore 13T Pinion+35T Spur Gear Set 1.5 MOD for Traxxas X-Maxx & XRT | X-Monster Chassis | X-Maxx 4X4 with WideMaxx | Pro Scale Sand Car

In stock
C33108
$25.99
HD Steel 12T Pinion + 35T Spur Gear Set 1.5 MOD for Traxxas X-Maxx & XRT

HD Steel 8mm Bore 12T Pinion+35T Spur Gear Set 1.5 MOD for Traxxas X-Maxx & XRT | X-Monster Chassis | X-Maxx 4X4 with WideMaxx | Pro Scale Sand Car

In stock
C33107
$25.99
HD Steel 11T Pinion + 35T Spur Gear Set 1.5 MOD for Traxxas X-Maxx & XRT Save 13%

HD Steel 8mm Bore 11T Pinion+35T Spur Gear Set 1.5 MOD for Traxxas X-Maxx & XRT | X-Monster Chassis | X-Maxx 4X4 with WideMaxx | Pro Scale Sand Car

In stock
C33106
$22.61 $25.99
Save 13%
HD Steel 11+12+13+14+35T Gear Set 1.5 MOD for Traxxas X-Maxx & XRT

HD Steel 8mm Bore 11+12+13+14+35T Gear Set 1.5 MOD for Traxxas X-Maxx & XRT | X-Monster Chassis | X-Maxx 4X4 with WideMaxx | Pro Scale Sand Car

In stock
C33101
$29.99
HD Derlin Body Post (2) for Associated Mini MGT 3.0 Monster Truck Save 78%

HD Delrin Body Post (2) for Associated Mini MGT 3.0 Monster Truck

In stock
T8362
$1.54 $6.99
Save 78%
HD Steel Bevel Gears 13/38T for Axial 1/10 RBX10 Ryft 4WD Rock Bouncer Save 16%

HD Steel Bevel Gears 13/38T for Axial 1/10 RBX10 Ryft 4WD Rock Bouncer

In stock
C33702
$25.19 $29.99
Save 16%
HD Center Differential for Traxxas Hoss, Stampede 4X4, Rustler 4X4 & Slash 4X4

HD Center Differential for Traxxas Hoss, Stampede 4X4, Rustler 4X4 & Slash 4X4 | Bigfoot 2WD | Ford Fiesta ST Rally (-2023) | Bigfoot 4X4 BL-2s (EHD) | Rustler 4X4 BL-2s (EHD) | Slash 4X4 BL-2s (EHD) | Jato 4X4

In stock
C33725
$29.99
HD Helical Bevel Gear Set 30/8T for Axial AR44 SCX10 II Axle Sold out

HD Helical Bevel Gear Set 30/8T for Axial AR44 SCX10 II Axle

Sold out
C32283
$20.99
HD Metal Replacement Chassis Rail Set (2) for Axial 1/10 SCX10 II Rock Crawler Save 30%

HD Metal Replacement Chassis Rail Set (2) for Axial 1/10 SCX10 II Rock Crawler

In stock
C27653GUN
$20.99 $29.99
Save 30%
HD Metal Replacement Chassis Rail Set (2) for Axial 1/10 SCX-10 Rock Crawler Sold out

HD Metal Replacement Chassis Rail Set (2) for Axial 1/10 SCX-10 Rock Crawler

Sold out
C27654SILVER
$29.99
HD Metal Replacement Chassis Rail Set (2) for Axial 1/10 SCX-10 Rock Crawler Save 18%

HD Metal Replacement Chassis Rail Set (2) for Axial 1/10 SCX-10 Rock Crawler

In stock
C27654RED
$24.59 $29.99
Save 18%
HD Metal Replacement Chassis Rail Set (2) for Axial 1/10 SCX-10 Rock Crawler

HD Metal Replacement Chassis Rail Set (2) for Axial 1/10 SCX-10 Rock Crawler

In stock
C27654CHROME
$29.99
HD Metal Replacement Chassis Rail Set (2) for Axial 1/10 SCX-10 Rock Crawler Save 9%

HD Metal Replacement Chassis Rail Set (2) for Axial 1/10 SCX-10 Rock Crawler

In stock
C27654BLACK
$27.29 $29.99
Save 9%
HD Billet Machined Alloy Caster Blocks for Axial SCX-10, Honcho & Dingo Save 38%

HD Billet Machined Alloy Caster Blocks for Axial SCX-10, Honcho & Dingo AX80012

In stock
C24709SILVER
$14.25 $22.99
Save 38%
HD Billet Machined Steering Blocks and Linkages for Axial SCX-10, Honcho & Dingo

HD Machined Steering Blocks and Linkages for Axial SCX-10, Honcho, Dingo AX80004

In stock
C24708GUN
$29.99
HD Billet Machined Steering Blocks and Linkages for Axial SCX-10, Honcho & Dingo Save 12%

HD Machined Steering Blocks and Linkages for Axial SCX-10, Honcho, Dingo AX80004

In stock
C24708GREEN
$26.39 $29.99
Save 12%
HD Billet Machined Steering Blocks and Linkages for Axial SCX-10, Honcho & Dingo Save 3%

HD Machined Steering Blocks and Linkages for Axial SCX-10, Honcho, Dingo AX80004

In stock
C24708BLACK
$29.09 $29.99
Save 3%
HD Steel 83T Gear w/ Alloy Spur Gear Mount for Tamiya 1/10 Scale CC-02 Sold out

HD Steel 83T Gear with Alloy Spur Gear Mount for Tamiya CC-02 Silver

Sold out
C32852
$20.99
HD Composite & Alloy Exo-Skeleton Body Roll Cage Kit for Traxxas 1/8 Sledge 4WD Sold out

HD Composite & Alloy Exo-Skeleton Body Roll Cage Kit for Traxxas 1/8 Sledge 4WD

Sold out
C32857
$69.99
HD Steel 12+14+16+52T Gear Set M1 Pitch for Arrma 1/8 Scale Save 16%

HD Steel 12+14+16+52T Gear Set M1 Pitch for Arrma 1/8 Scale | Kraton 6S BLX | Notorious 6S BLX | Outcast 6S BLX | Talion 6S BLX | Typhon 6S BLX | Mojave 6S BLX

In stock
C33160
$25.19 $29.99
Save 16%
HD Steel 18+20+22+52T Gear Set M1 Pitch for Arrma 1/8 Scale

HD Steel 18+20+22+52T Gear Set M1 Pitch for Arrma 1/8 Scale | Kraton 6S BLX | Notorious 6S BLX | Outcast 6S BLX | Talion 6S BLX | Typhon 6S BLX | Mojave 6S BLX

In stock
C33159
$29.99
HD Composite & Alloy Exo-Skeleton Body Roll Cage Kit for Traxxas 1/10 E-Revo 2.0 Sold out

HD Composite & Alloy Exo-Skeleton Body Roll Cage Kit for Traxxas 1/10 E-Revo 2.0

Sold out
C31924BLACK
$99.99
H-Pattern Tire (2) for Monster Truck & 1/8 Truggy (O.D.=136mm)

H-Pattern 3.2 Tire (2) for Monster Truck & 1/8 Truggy (O.D.=136mm)

In stock
C22676
$12.99
Billet Machined Wheelie Bar for Traxxas T-Maxx Monster Truck

Grey Billet Machined Wheelie Bar for Traxxas T-Maxx Monster Truck | E-Maxx | T-Maxx 3.3 #4908 & E-Maxx 16.8 #3905

In stock
C28691GREY
$45.99
Grey Billet Machined Support Stand for Tamiya T3-01 Dancing Rider Trike Save 77%

Grey Billet Machined Support Stand for Tamiya T3-01 Dancing Rider Trike

In stock
C28977GREY
$6.90 $29.99
Save 77%
HD 52T Steel Spur Gear for HPI 1/8 Savage-X, 21 & 25 Monster Truck

HD 52T Steel Spur Gear for HPI 1/8 Savage-X, 21 & 25 Monster Truck

In stock
T7098
$20.99
HD 50T Steel Spur Gear for HPI 1/8 Scale Savage-X, 21 & 25 Monster Truck

HD 50T Steel Spur Gear for HPI 1/8 Scale Savage-X, 21 & 25 Monster Truck

In stock
T7096
$29.99
HD 49T Steel Spur Gear for HPI 1/8 Scale Savage-X, 21 & 25 Monster Truck

HD 49T Steel Spur Gear for HPI 1/8 Scale Savage-X, 21 & 25 Monster Truck

In stock
T7095
$20.99
Billet Machined Wiring Cover & Antenna Mount for Traxxas X-Maxx & XRT Save 26%

Grey Billet Machined Wiring Cover & Antenna Mount for Traxxas X-Maxx & XRT 7724 | X-Monster Chassis | X-Maxx 4X4 with WideMaxx

In stock
C33270GREY
$18.49 $24.99
Save 26%
Hard Steel Drive Cups (2) for Traxxas 8S X-Maxx 4X4 Save 6%

Hard Steel Drive Cups (2) for Traxxas 8S X-Maxx 4X4 7754X | X-Monster Chassis | X-Maxx 4X4 with WideMaxx

In stock
C31156
$19.73 $20.99
Save 6%
Grey Universal Drive Shafts for 1/10 Scale Traxxas Maxx V2 WideMaxx Upgrade

Grey Universal Drive Shafts for 1/10 Scale Traxxas Maxx V2 WideMaxx Upgrade 8996 | Maxx V2 with WideMaxx

In stock
C31636GREY
$59.99
Machined Side Protection Nerf Bars for Traxxas 1/10 Maxx Truck 4S Save 29%

Grey Machined Side Protection Nerf Bars for Traxxas 1/10 Maxx 4S Truck 8923 | Maxx 4S Monster Truck | Maxx V2 with WideMaxx

In stock
C30195GREY
$25.55 $35.99
Save 29%
Billet Machined Rear Hub Carriers for HPI Ken Block WR8 3.0 Save 48%

Grey Billet Machined Rear Hub Carriers for HPI Ken Block WR8 3.0

In stock
T8687GREY
$10.91 $20.99
Save 48%
T3 Snowmobile & Sandmobile Rear Conversion for Axial Wraith 2.2 Rock Racer Save 28%

Grey T3 Snowmobile & Sandmobile Rear Conversion for Axial Wraith 2.2 Rock Racer | Ridgecrest

In stock
C28592GREY
$107.99 $149.99
Save 28%
T3 Snowmobile & Sandmobile Front Conversion for Axial Wraith 2.2 Rock Racer Save 28%

Grey T3 Snowmobile & Sandmobile Front Conversion for Axial Wraith 2.2 Rock Racer | Ridgecrest

In stock
C28591GREY
$107.99 $149.99
Save 28%
Grey Billet Machined Upgrade Piggyback Shocks Pair for Axial SCX6 Crawler

Grey Billet Machined Upgrade Piggyback Shocks Pair for Axial SCX6 Crawler

In stock
C33282GREY
$89.99
Grey Machined Aluminum Caster Blocks for Axial SCX6 Jeep Wrangler 1/6 Scale Save 21%

Machined Aluminum Caster Blocks for Axial SCX6 Jeep Wrangler 1/6 Scale 252003

In stock
C32951GREY
$47.39 $59.99
Save 21%
Billet Machined Front Upper Chassis Brace for Axial SCX6 Save 10%

Grey Billet Machined Front Upper Chassis Brace for Axial SCX6 251005

In stock
C32549GREY
$18.89 $20.99
Save 10%
Billet Machined Transmission Case Brace for Axial 1/6 SCX6 Save 21%

Grey Billet Machined Transmission Case Brace for Axial 1/6 Scale SCX6 252013

In stock
C32433GREY
$16.58 $20.99
Save 21%
Billet Machined Rear Shock Tower Brace for Axial 1/6 SCX6 Save 18%

Grey Billet Machined Rear Shock Tower Brace for Axial 1/6 Scale SCX6 251009

In stock
C32432GREY
$24.59 $29.99
Save 18%
Grey Billet Machined Front Bumper & Body Mounts for Axial SCX6 1/6 Scale Save 59%

Grey Billet Machined Front Bumper & Body Mounts for Axial SCX6 1/6 Scale 251008

In stock
C32424GREY
$24.60 $59.99
Save 59%
Billet Machined Rear Bumper Mount for Axial 1/6 SCX6 Save 61%

Grey Billet Machined Rear Bumper Mount for Axial 1/6 SCX6 251008

In stock
C32415GREY
$17.94 $45.99
Save 61%
Front & Rear Upper Suspension Linkages for Axial SCX6 Crawler Save 64%

Grey Front & Rear Upper Suspension Linkages for Axial SCX6 Crawler 254002

In stock
C31642GREY
$18.00 $49.99
Save 64%
Front & Rear Lower Suspension Linkages for Axial SCX6 Crawler Save 66%

Grey Front & Rear Lower Suspension Linkages for Axial SCX6 Crawler 254004

In stock
C31639GREY
$20.40 $59.99
Save 66%
Gunmetal Billet Machined Rear Shock Towers for Axial 1/10 SCX10 III Save 55%

Gunmetal Billet Machined Rear Shock Towers for Axial 1/10 SCX10 III

In stock
C30057GUN
$13.05 $28.99
Save 55%
Billet Machined Front Top Plate for Team Associated DR10 Drag Save 19%

Grey Billet Machined Front Top Plate for Team Associated DR10 Drag Race Car RTR

In stock
C33306GREY
$37.25 $45.99
Save 19%
Gunmetal Billet Machined Shock Towers for Tamiya CC02 Scale Off-Road Vehicle Save 78%

Gunmetal Billet Machined Shock Towers for Tamiya CC02 Scale Off-Road Vehicle | CC-02

In stock
C30053GUN
$5.50 $24.99
Save 78%
Billet Machined Shock Tower for HPI 1/10 Bullet MT & Bullet ST Save 10%

Grey Billet Machined Shock Tower for HPI 1/10 Scale Bullet MT & Bullet ST

In stock
T8701GREY
$15.29 $16.99
Save 10%
Billet Machined Rear Hub Carriers for HPI 1/10 Bullet MT & Bullet ST Save 37%

Grey Billet Machined Rear Hub Carriers for HPI 1/10 Scale Bullet MT & Bullet ST

In stock
T8699GREY
$13.22 $20.99
Save 37%
Billet Machined Receiver Box Cover for Traxxas 1/8 Sledge 4WD Save 26%

Grey Billet Machined Receiver Box Cover for Traxxas 1/8 Sledge 4WD 9624

In stock
C33275GREY
$22.19 $29.99
Save 26%
Alloy Machined Shock Set (4) for Traxxas 1/8 Sledge Buggy

Machined Shock Absorber Set (4) for Traxxas 1/8 Scale Sledge Buggy 9660 9661

In stock
C32708GUN
$55.99
Billet Machined Wing Mount Set for Traxxas 1/8 Sledge 4WD Save 19%

Billet Machined Wing Mount Set for Traxxas 1/8 Sledge 4WD Monster Truck 9518

In stock
C32589GREY
$32.39 $39.99
Save 19%
Billet Machined Shock Cap Protectors for Arrma 1/8 Kraton 6S BLX Sold out

Grey Billet Shock Cap Protectors for Arrma 1/8 Kraton 6S AR330492 | Notorious 6S, Outcast 6S, Talion 6S, Typhon 6S, Limitless, Infraction 6S, Felony 6S, Mojave 6S, Big Rock 6S, Fireteam 6S

Sold out
C32965GREY
$27.99
Alloy Machined Shocks (4) Set for Arrma 1/8 Kraton 6S BLX V5

Shock Absorbers Set of 4 for Arrma 1/8 Kraton 6S BLX V5 ARA330621 ARA330622 | Notorious 6S BLX | Outcast 6S BLX | Fireteam 6S 4X4 BLX

In stock
C32207GUN
$49.99
Billet Machined Rear Chassis Brace for Arrma 1/8 Kraton 6S BLX V5 Save 65%

Grey Billet Machined Rear Chassis Brace for Arrma 1/8 Kraton 6S BLX V5 ARA320555

In stock
C32003GREY
$10.15 $28.99
Save 65%
HD Alloy Rear Lower Arm for Losi 8ight-T (LOSA0802)

HD Alloy Rear Lower Arm for Losi 8ight-T (LOSA0802)

In stock
T8179CHROME
$32.99
HD Alloy Rear Lower Arm for Losi 8ight-T (LOSA0802) Sold out

HD Alloy Rear Lower Arm for Losi 8ight-T (LOSA0802)

Sold out
T8179BLUE
$25.99
HD Alloy Front Lower Arm for Losi 8ight-T (LOSA0802) Sold out

HD Alloy Front Lower Arm for Losi 8ight-T (LOSA0802)

Sold out
T8178CHROME
$25.99
HD Alloy Front Lower Arm for Losi 8ight-T (LOSA0802) Sold out

HD Alloy Front Lower Arm for Losi 8ight-T (LOSA0802)

Sold out
T8178BLUE
$25.99
HD Alloy Rear Lower Arms for Losi 8ight (LOSA0801)

HD Alloy Rear Lower Arms for Losi 8ight (LOSA0801)

In stock
T8154BLUE
$27.99
HD Alloy Front Lower Arms for Losi 8ight (LOSA0801) Sold out

HD Alloy Front Lower Arms for Losi 8ight (LOSA0801)

Sold out
T8153BLUE
$27.99
Grey Rear Wheel Steering Conversion Kit for Arrma 1/7 Limitless All-Road Save 38%

Grey Rear Wheel Steering Conversion Kit for Arrma 1/7 Limitless All-Road | Infraction 6S BLX | Felony 6S BLX All-Road

In stock
C32944GREY
$92.99 $149.99
Save 38%
Billet Machined Steering Knuckles for Arrma 1/7 Limitless All-Road Save 6%

Grey Billet Machined Steering Knuckles for Arrma 1/7 Limitless All-Road AR330187 | Talion 6S BLX | Typhon 6S BLX | Infraction 6S BLX | Felony 6S BLX All-Road | Mojave 6S BLX | Fireteam 6S 4X4 BLX

In stock
C31996GREY
$46.99 $49.99
Save 6%
Billet Machined Motor Mount Set for Arrma 1/7 Limitless All-Road Save 64%

Grey Billet Motor Mount Set for Arrma 1/7 Limitless All-Road ARA320468 | Kraton 6S, Notorious 6S, Outcast 6S, Talion 6S, Typhon 6S, Infraction 6S, Felony 6S, Mojave 6S, Big Rock 6S, Fireteam 6S

In stock
C31993GREY
$14.40 $39.99
Save 64%
Grey Billet Machined Piggyback Rear Shocks for Losi 1/5 DBXL-E & 2.0 Save 52%

Grey Billet Machined Piggyback Rear Shocks for Losi 1/5 DBXL-E & 2.0 | DBXL-E 2.0 4WD

In stock
C31329GREY
$67.20 $139.99
Save 52%
Grey Billet Machined Piggyback Front Shocks for Losi 1/5 Scale DBXL-E & 2.0 Save 61%

Grey Billet Machined Piggyback Front Shocks for Losi 1/5 Scale DBXL-E & 2.0 | DBXL-E 2.0 4WD

In stock
C31328GREY
$54.60 $139.99
Save 61%
Grey Billet Machined Steering Bell Crank for Losi 1/5 Desert Buggy XL-E Save 37%

Grey Billet Machined Steering Bellcrank for Losi 1/5 Desert Buggy XL-E

In stock
C28856GREY
$37.79 $59.99
Save 37%
Grey Billet Machined Wheelie Bar for Losi 1/5 Desert Buggy XL-E Upgrade Save 16%

Grey Billet Machined Wheelie Bar for Losi 1/5 Desert Buggy XL-E Upgrade

In stock
C28755GREY
$41.99 $49.99
Save 16%
Billet Machined Steering Servo Links for Losi 1/5 DBXL-E 2.0 Save 16%

Grey Billet Machined Steering Servo Links Upgrade for Losi 1/5 DBXL-E 2.0 | DBXL-E 2.0 4WD

In stock
C32963GREY
$23.51 $27.99
Save 16%
Grey Front Sled Attachment Conversion Kit for Losi 1/5 DBXL-E 2.0 4WD (for RWD) Save 54%

Grey Front Sled Attachment Conversion Kit for Losi 1/5 DBXL-E 2.0 4WD (for RWD)

In stock
C32550GREY
$32.20 $69.99
Save 54%