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  1. #1
    Member LWortham's Avatar
    Join Date
    Mar 2005
    Location
    Shawnee
    Posts
    75

    Upgrade with Dexter kit, wheels and tires

    Trying to confirm wheel and tire size for 2019 Z 21 with fiberglass fenders. I have already purchased the Dexter kit and ready to order the wheels, if I am correct, I need 18 x 9 with +10 offset and 5 x 4.5 lug pattern....Something like this https://recstuff.com/trailer-wheels/...t-t07-89545bm/.

    Tires would be 245/45/18.

    I do understand that I will probably need to raise fenders after Dexter kit install.

    Does all of this sound right?

    Thanks in advance.
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  2. Member
    Join Date
    Feb 2017
    Location
    Houston, TX.
    Posts
    523
    #2
    Quote Originally Posted by LWortham View Post
    Trying to confirm wheel and tire size for 2019 Z 21 with fiberglass fenders. I have already purchased the Dexter kit and ready to order the wheels, if I am correct, I need 18 x 9 with +10 offset and 5 x 4.5 lug pattern....Something like this https://recstuff.com/trailer-wheels/...t-t07-89545bm/.

    Tires would be 245/45/18.

    I do understand that I will probably need to raise fenders after Dexter kit install.

    Does all of this sound right?

    Thanks in advance.
    My wheels are 18x9, not sure of the exact offset but its closer to -10 than +10, and 5on4.5 bolt pattern. From what I have seen, the Dexter kit lowers the tire to fender clearance. Two of my buddy's that installed the kit had to use spacers to space up the fiberglass fenders to clear the tires. One of them has the same wheels you showed in your link, and the other guy has the same wheels and tires as me.
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    '17 Nitro Z21, 250ProXS serial # 2B399616, 24p Fury4, 12" Atlas, Apex 16 @ console, Apex 16 & Apex 13 @ bow, Mega 360, Ultrex, 8ft blades

  3. Nitro Boats Moderator BMCD's Avatar
    Join Date
    Jun 2004
    Location
    Brookeland, Texas
    Posts
    17,440
    #3
    +10mm offset on my last boat, got +10mm for my next boat too. 18x9 rims. 245/45/18s. course this on a 2021 Nitro 21.

    19s seemed to come from the factory with tires pretty close to the fender top. I remember I could not get my hand between the fender top and tire.
    Last edited by BMCD; 10-27-2022 at 11:02 AM.
    Bryan McDonough
    2023 Nitro Z21 XL
    Nitro Team