Vertex High Compression Piston Size B 78.97mm 14.4:1
Exact fit A, B, or C pistons match your cylinder bore perfectly to maximize power and performance while reducing blow-by and oil consumption
2-stroke pistons have an 18% silicon content which decreases wear and thermal expansion, allowing for tighter running tolerances for more power, less noise, and longer lifespan
4-stroke pistons are forged from either 2618 or 3032 alloys for superior strength and durability
High-tech Molybdenum Disulphide (MOS2) skirt coating for reduced wear and improved break-in
All piston kits include piston, rings, wrist pin, and circlips
Forged Hi-Comp pistons increase compression and power over Replica pistons
Product Note:
Specification
Details
Compression Ratio
14.4:1
Displacement
250cc
Material
Aluminum
Piston Diameter
78.97mm
Piston Type
Forged
Size
B
Vehicle Fitment
Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.
Honda
CRF250R 4-Stroke 2020-2021
CRF250RX 4-Stroke 2020-2021
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Questions & Answers
What grade gas would be needed
By Dalton V.
Would 91nonethanol be ok? Or would race fuel be needed?
You would want to run Premium grade gas at minimum for the higher compression piston setup to burn properly.
Will this fit a ltz400
By Kasey
Yes, Vertex does indeed produce an LT-Z400 high-compression piston. Simply choose your machine from our fit guide and we'll get the correct Suzuki high-compression piston on its way to you right away!
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