TAG Metals Front Countershaft Sprocket (13-Tooth / 520 Pitch) — Part #170-520-13 (13144-0001) (K1314-40001)
$5.00
Sale price
$5.00
Regular price
$50.99
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TAG Metals Front Countershaft Sprocket (13-Tooth / 520 Pitch) — Part #170-520-13 (13144-0001) (K1314-40001)
$5.00
Sale price
$5.00
Regular price
$50.99
Product Overview
The TAG Metals Front Countershaft Sprocket (Part #170-520-13 / SKU 214-17052013) is a premium, high-strength competition drive gear designed for heavy-duty motocross and off-road racing. Engineered by TAG Metals in collaboration with legendary factory racing teams, this 13-tooth front sprocket is built to deliver exceptional power transfer efficiency from the transmission countershaft directly to your rear assembly. Whether restoring factory mechanics or fine-tuning final drive ratios for explosive out-of-the-hole acceleration, it provides the ultimate balance of weight reduction and structural toughness. [1, 2, 3, 4, 5]
Technical Specifications
- Manufacturer: TAG Metals
- Manufacturer Part Number: 170-520-13
- Internal Inventory SKU: 214-17052013
- Product Type: Drive Train / Front Countershaft Sprocket
- Material: Premium case-hardened nickel-chromoly steel matrix for unyielding core structural integrity.
- Finish: Matte raw treated steel with anti-corrosion protective plating.
- Size Profile: 13-Tooth (13T) tooth pattern calibrated for 520-pitch final drive chains.
- Weight Management: CNC-machined structural lightening holes to lower unsprung rotating mass.
- Fitment Type: Precision-broached splines for a direct bolt-on OEM substitute. [1, 2, 3, 4, 5, 6, 7]
Key Features & Benefits
- Case-Hardened Chromoly Steel: Forged to manage extreme rotational loads, eliminating tooth breakdown, deflection, or premature wear under high-torque racing stresses. [1, 2]
- Integrated Mud-Relief Grooves: Specially machined self-cleaning trenches at the base of the teeth actively fling away thick mud, grit, and track track debris to maximize chain and gear lifespan. [1, 2]
- Factory-Level Engineering: Developed and field-tested alongside premier race operations like Factory Suzuki to handle professional-grade abuse. [1]
- Zero-Play Tolerances: Ultra-exact internal spine machining stops countershaft chatter, protecting output shaft seals from leaks and ensuring reliable engine power distribution. [1]
Confirmed Motorcycle Fitment
This specific 1445/K-spline architecture with a 520 chain pitch is a confirmed direct fit for the following motocross models: [1, 2]
| Manufacturer | Model | Compatible Model Years
|
Chain Pitch / Teeth |
|---|---|---|---|
| Kawasaki | KX250F | 2004, 2005 | 520 Pitch / 13-Tooth |
| Suzuki | RM-Z250 | 2004, 2005, 2006 | 520 Pitch / 13-Tooth |