This 4076 2000KV/4P Brushless Motor is built from the best materials available, and is designed to provide both quality and performance at an affordable price. And it's with high quality aluminum alloy parts that are produced on the latest CNC milling machines. The 4076 2000KV/4P brushless will provide more power and longer run times with its high efficiency.

Features:
4 poles Hi-torque motor design.
CNC machined 6061 T6 billet alumium heatsink can.
High purity copper windings maximizes efficiency.
High RPM ABEC5 oversized bearings.
Universal fit all 1/8 brushless cars-multi-mounting system for M3 or M4 screws.
Precision balanced rotor, smoothness for best reliability and maximum RPM.
Stator - Super Thin (0.2mm) laminations.
Removable/replaceable.
Precision engineered for maximum energy conversion.
ROAR legal.

Specification:
RPM: 2000KV
Max Current: 135A
Max Watts: 2800W
Can Size: 4076
Sensored: No
Can Diameter: 40mm
Can Length: 76mm
Shaft Diameter: 5mm
Shaft Length: 20mm
Weight: 359g/12.7oz
Max voltage: 7.4V(2S)-18.5V(5S)
Package size: 10 * 8 * 6.3cm/ 3.9 * 3.1 * 2.5in
Package weight: 389g/13.7 oz

Note: there's some little error from human measuring.

Package List:
1 * 4076 2000KV/4P Brushless Motor