Spring Rates Chart

Yokomo (Pro shock spring long type with color marking at the bottom)

• Black - 258 gF/mm
• Blue - 264 gF/mm
• Yellow - 280 gF/mm
• Pink - 290 gF/mm
• Green - 303 gF/mm
• Orange - 330 gF/mm

HPI Racing (Color marking at the bottom of the spring)

• Blue - 273 gF/mm
• Silver - 302 gF/mm
• Pink - 320 gF/mm
• Gold - 340 gF/mm
• White - 363 gF/mm
• Yellow - 388 gF/mm
• Red - 400 gF/mm

Hara Spring V.1 (Color marking at the bottom of the spring)

• Yellow - 230gF/mm
• White - 250 gF/mm
• Black 270 gF/mm
• Purple - 290 gF/mm
• Red - 310 gF/mm

Top Racing (Spring Rate engrave on the spring)

• Gamma 393 gF/mm
• Gamma 367 gF/mm
• Gamma 344 gF/mm
• Gamma 324 gF/mm
• Gamma 306 gF/mm
• Gamma 289 gF/mm
• Alpha 626 gF/mm
• Alpha 591 gF/mm
• Alpha 560 gF/mm
• Alpha 532 gF/mm
• Alpha 507 gF/mm
• Beta 347 gF/mm
• Beta 325 gF/mm
• Beta 306 gF/mm
• Beta 294 gF/mm
• Beta 274 gF/mm

*Gamma Spring is design for rubber asphalt racing
*Alpha & Beta spring is design for carpet and foam tire racing