Rudder Port 1"
1" Rudder port ONLY for boats with 1" dia. rudder posts, WILL NOT work with 1 1/8" dia. rudder posts
Base: 4" x 4" with slotted mounting holes to fit more mfg. mounting holes
Barrel: 2" dia. x 4 3/4" tall, uses 2" hole in hull bottom
Mounting bolt holes are machined as a counter sink "oval" to accommodate various 4 bolt hole patterns. Measuring ACROSS from hole to hole max= 4 1/8" Min = 3 5/8"
ALWAYS use 3m5200 Caulk to mount rudder ports