Cedar workshop · Hand-planed edits · Shop the bench
Free shipping over $85 · Washi-banded parcels
Ribbon-taped crates · Studio-milled finishes · New arrivals weekly
Cedar workshop · Hand-planed edits · Shop the bench
Free shipping over $85 · Washi-banded parcels
Ribbon-taped crates · Studio-milled finishes · New arrivals weekly
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Athena 295cc 72mm Yamaha YZ250 YZ250X WR250 Phathead cylinder head kit 1999-2026 Chamber selection:AY20 - 20cc (105+ octane) ECU remap required for best Honda Chamber selection:52mm Big bore chamber 95+ octane KTM250SX TC250 MC250 HUSQVARNA CR125R9301

SKU 24920847699
USD212.50 USD242.50

Pay in 4 interest-free payments of $53.12 Learn more

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Ships within 48 hours · Estimated delivery Sep 20 - Sep 25

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Description

Athena 295cc 72mm Yamaha YZ250 YZ250X WR250 Phathead cylinder head kit 1999 2026 Chamber selection:AY20 20cc (105+ octane) ECU remap required for best Honda Chamber selection:52mm Big bore chamber 95+ octane KTM250SX TC250 MC250 HUSQVARNA CR125R9301 ECU remap required for best performance message or call for details Yamaha Cylinder works 295cc big bore 72mm Phathead cylinder head kit 1999 2026

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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