| Description: |
Free ground UPS shipping in the contiguous United States.
Scat sold head with 12mm (that's a small spark plug hole, stock is 14mm for reference) x 3/4" reach (that's a long reach, short is 1/2" for reference) spark plug boss to increase flow in combustion chamber.
This head is for 90.5 or 92mm cylinders.
42mm & 37mm stainless steel valves with silicon-bronze racing valve guides. Competition 3 angle valve job for a positive seal between valve and seat and to increase flow speed.
Combustion chambers are unshrouded for maximum flow and flame travel. Special polished combustion chamber for big power potential. Dual valve springs & chromoly retainers.
Swirl polished with venturi intake and exhaust runners.
Allow 7 days to ship, please. |
