| Powerhead PRO X TRX 250R Cylinder |
Part Number: PH-PX30
Price: $229.95
Availability: CALL US!
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Product Information:
Part # PH-PX30 PRO X Cylinder for Honda TRX 250R Powerhead with stay $229.95
kit includes:head shell,dome,
Also fits 85-86 ATC 250R
Replacement Parts
Part # PH-1PXD- Dome each (15cc-32cc) $49.95
Information Required when ordering:
Type of Fuel
Piston Size
Are cylinders ported or stock? If ported need exhaust port
height(in mm's or degree's)
Cylinder Length (has cylinder been decked or based)
Altitude
Special domes are offered for PROX 265cc, 300cc, 310cc, 330cc
CNC machined from billet aluminum
20% more cooling area for increased reliability
Interchangeable domes available in various sizes
Uses ProX design O-ring seal
Correct spark plug angle
Billet water fitting bolts on
Uses stock OEM head nuts
Works with stock or modified engines.
Domes are specially machined to DRI/PTR specifications; for correct squish angle, squish clearance, dome diameter.
What are advantages of adjustable domes
For stock cylinders that want a slight boost in compression
For high altitude riding
For ported engines
For alcohol engines
To adjust powerband. Raise for add low RPM torque, less let's engine Rev.
Carburetion jetting should be check after Powerhead installation
Notes on Compression:
Engine compression is lost as elevation is increased.
Engine compression is lost as exhaust port height is raised(as in porting)
Engine compression is increased as piston size is increased
PTR Powerheads are a proprietary product of Duncan Racing International, Inc.
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