Hammer 1250 kit 30 degree reverse dome Black
with big stock like cooling fins.
for all Xb 12 2004-2010
and all Xr1200 ( X ) 2008- up
this 1250 Kits let you take your Sportster or Buell XB12 out to 1250cc with no case boring required.
!! note for the 30 degree reversed Dome pistons, require your cylinder head chambers be machined to match. !!
Each kit comes standard with the best components on the market: