Kitaco has replaced the Ultra SE head with the higher flow SE Pro and SE2 Pro line of cylinder heads and bore kits for XR100R CRF100F Ape 100 and NSF 100. Completely redesigned intake port makes the SE Pro the new standard for race engines and pushes available power over 16HP. 145cc SE Pro kit comes with:

• ceramic coated, sleeved cylinder kit

• cast 57mm high compression piston

• 56.50mm stroker crankshaft

• SPL high lift camshaft (optional SE and SE-R camshafts sold separate)
• IN 12/40 EX 42/10
  

• all required installation gaskets
• SD cam chain