
Turns '96-'04 Honda XR400R from 400 cc into 440 cc.
Turns '99-'14 Honda TRX400EX from 400 cc to 425 cc.
Big Bore Sleeve may require special machining and/or machining of cases or cylinder head.
In stock at a distributor warehouse. Ships in 2–4 business days by ground.
Ground shipping is $14.95, free on orders over $150. Stock is re-checked with the warehouse before your card is charged.