| Description: |
copper head spacer .040 thick for 90.5mm & 92mm cylinders - copper - 4 pack only.
Empi packaged.
Warm the head, chill the copper, slip it in and bolt on the head. Your combustion chamber is now that much deeper so your piston can now come up that much higher in the cylinder.
Put the combustion process in the combustion chamber = free horsepower.
Allow 4 days to ship, please |
