Cast iron intake/exhaust guide for 1984 - up big twin and 1986 - 2003 Sportster® models fits S&S Super Stock® and stock Harley-Davidson® cylinder heads. Guide I.D. measures about .309"/.310" with enough material left for proper clearancing.
Intake/Exhaust - Standard (H-D#18112-92) . . . . . . . . . . . . . . . . . . . . . . . . 90-2210
Intake/Exhaust - +.001" (H-D#18130-83C) . . . . . . . . . . . . . . . . . . . . . . . . . 90-2211
Intake/Exhaust - +.002" (H-D#18133-83A) . . . . . . . . . . . . . . . . . . . . . . . . . 90-2212
Intake/Exhaust - +.003" (H-D#18131-83C) . . . . . . . . . . . . . . . . . . . . . . . . . 90-2213
Intake/Exhaust - +.030" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90-2219
Note: All reference to Harley-Davidson® part numbers is for identification purposes only. We are in no way implying that any of S&S Cycle's products are original equipment parts or that they
are equivalent to the corresponding H-D part number shown.
