Suzuki RM250 Phathead cylinder head kit 2001-2002 Color:Black Buy a size larger than

Buy a size larger than usual to avoid shrink issues

SX51 (100+ octane)

Y30 - stock

The material is stronger and transfers heat better than cast aluminum

5cc (100+ octane)

Suzuki RM250 Phathead cylinder head kit 2001-2002 Color:Black Buy a size larger thanSuzuki RM250 Phathead cylinder head kit 2001 2002 Chamber selection: S31 17. 6cc Stock S32 16. 4cc (95+ octane) S33 15. 5cc (100+ octane) S34 14. 4cc (105+ octane) Phathead Kits include a head shell with one combustion chamber, two sets of o rings, cylinder head nuts, copper washers, some stickers for your bike and tool box and installation instructions.. Phathead cylinder heads are made of 6061 T6 billet aluminum. The material is stronger and