CYLINDER KIT 93-11 TRX300EX 80 AT-09451-1K CA-10000-BB6K

CYLINDER REBUILD KIT 330cc BIG BORE 80.00mm. OVERSIZE +6mm NAMURA AT-0945-1K.

Namura big bore kits are race proven and ready to run. You will receive a new big bore cylinder, big bore gasket kit and big bore piston, rings, wrist pin and two circlips. Big bore kit is a 330cc kit. Piston is 80.00mm.

ALUMINUM CYLINDER: AC 4B -T6, SLEEVE: CAST IRON FC30

Part No. 56-K135.80.KIT (phoenixmotos.com)

Cross reference numbers.
CYLINDER 12100-HM3-L00,
GASKET, CYLINDER 12191-HM3-670,
CYLINDER HEAD ASSY.12000-HM3-671,
RING SET, PISTON (STD) (RIKEN) 13011-HM3-671,
PISTON (STD) 13101-HM3-670,
PIN, PISTON 13111-HC0-000,
CLIP, PISTON PIN (17MM) 94601-17000,