engine fx 501 for buggy 1/8 bukan os speed

This is a FX Engines K501 DLC .21 5-Port Off-Road Competition Buggy Engine with Ceramic Bearings. The FX Engine is a high-precision, high performance nitro engine intended for competitive off-road vehicle use. All the finest engineering and craftsmanship has gone into the concept, design, creation and finishing work of the FX Engine. Designed for providing maximum power at low speed and mid range, this engine sports a DLC coated, tungsten balanced crankshaft, a specially selected and matched sleeve and piston set, and ceramic bearings to ensure longevity and durability.

Features:
5 Port
Maximum Bottom & Middle Power
DLC Coated Crankshaft
Tungsten balanced crankshaft
Ceramic ball-bearing
Specially selected & matched sleeve/piston set
10 Ribs Engine head
Specifications:
Displacement: 3.5cc
Bore: 16.26mm
Stroke: 16.80mm
Weight: 349g
Max. Power: 2.65 HP @ 33,000 RPM
Practical Range: 4,000-39,000 RPM
Ports: 5 Transfer Ports
Piston: CNC Machined Silicium
Sleeve: CNC Machined Brass, Hard Chrome Plated
Front Ball Bearing: 7x19mm Ceramic
Rear Ball Bearing: 14x25.8mm Ceramic
Crankshaft: 14mm
Carburetor: Alloy Body w/ Thermal Isolation; 3-needle w/ Modular Venturi
Glowplug Type: X3
Exhaust Position: Rear
Includes:
X3 glow plug
Exhaust gasket
Cylinder-head shim
Carburetor venturi
3mm dust cap
6mm dust cap
16mm dust cap
18mm dust cap