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Winters Performance 2255C-9120 Grand National Hub Kit, 5 on 5 Inch

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Specs
Material Type:
Steel
Sold in Quantity:
Each
Bolt Pattern:
5 on 5"
Spline Count:
24
Thread Pitch:
5/8"-11
MFG. Part #:
2255C-9120
Hardware Included:
Yes
Winters Performance 2255C-9120 Grand National Hub Kit, 5 on 5 Inch
Winters Performance 2255C-9120 Grand National Hub Kit, 5 on 5 Inch
Winters Performance 2255C-9120 Grand National Hub Kit, 5 on 5 Inch

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Details

Reviews (0)

Q & A (9)

What's in the Box

Info

This complete Grand National hub kit from Winters has a 5 on 5" bolt pattern and is made from cast 4140 heat treated steel to ensure that it holds up on your car. This hub kit fits 2-1/2" Grand National spindles and includes all needed hardware.

  • Investment cast 4140 heat treated steel
  • 24 spline steel drive flange
  • Includes bearings, races (installed), hub seal, o-rings, cap and screws, lug nuts and studs
  • 5 on 5" bolt pattern
  • Fits 2-1/2” Grand National axle tube end
  • Hub retaining nut not included
  • MFG. Part #2255C-9120
  • Brake Rotor Bolt Pattern: 8 x 7"
  • Wheel Stud Thread Pitch: 5/8"-11
  • Hardware Included

Customer Reviews

This product has no reviews.

Product Q&A

9 questions : 9 answers

1 answers

Can these studs be replaced with 1/2" studs? My Weld Pro Star 96 wheels require a Mag lug nut with a 1.310" shank length. I have not been able to find this lug nut to fit a stud any larger than 1/2". Thanks.

sd12
February 05, 2015

Can these studs be replaced with 1/2" studs? My Weld Pro Star 96 wheels require a Mag lug nut with a 1.310" shank length. I have not been able to find this lug nut to fit a stud any larger than 1/2". Thanks.

Answers

February 06, 2015
EricM
For the 5 on 5" bolt pattern hubs you can use studs 54546190 but you will have to spot weld them in place. This hub is made for a .695" knurl diameter and that stud has a .685" knurl. The stud is tight enough to center up fine but it will try to spin when tightening the lug nuts. For 5 on 4 3/4" bolt pattern hubs they require screw in studs 91048397. Those you will simply unscrew the 5/8" studs that are in the hubs and screw in these 1/2" studs.
1 answers

Will this hub work with part number 91048323?

ChrisAgan
July 29, 2014

Will this hub work with part number 91048323?

Answers

July 31, 2014
Travisp
This hub will work great with our grand national reclaimed housing.
1 answers

Torque specs What is the torque spec for tightening the grand national retaining hub nut???

Cara
California
July 02, 2014

Torque specs What is the torque spec for tightening the grand national retaining hub nut???

Answers

July 03, 2014
EricM
Sorry there is not a torque spec on the retaining nut. You need to tighten it just enough to provide some prelaod to the bearings. Use the same procedure for setting the preload on these bearings as you do front hubs/rotors.
1 answers

Rotor mounting on the hub I am using a Wilwood 160-0483 on the 2255C hub and wanted to confirm the rotor mounting. The Wilwood rotor has one face straight and the other face the mounts are recessed. Want to confirm that the recessed face bolts to the hub such that the smooth face of the rotor faces towards the centre of the car - I.E. on your website the picture for the 160-0483 rotor, the face shown would bolt to the hub rotor ring. Am I right?

Snafu
April 09, 2014

Rotor mounting on the hub I am using a Wilwood 160-0483 on the 2255C hub and wanted to confirm the rotor mounting. The Wilwood rotor has one face straight and the other face the mounts are recessed. Want to confirm that the recessed face bolts to the hub such that the smooth face of the rotor faces towards the centre of the car - I.E. on your website the picture for the 160-0483 rotor, the face shown would bolt to the hub rotor ring. Am I right?

Answers

April 09, 2014
EricM
You can actually position the rotor either way for clearance and/or so that it fits your brake bracket. Usually I will bolt the flat face of the rotor to the hub so that it offsets the rotor as far inboard as possible. This will give maximum wheel clearance and air flow for cooling.
1 answers

Thread length? When you say 2" of thread, is that 2" of thread from the drive flange face?

Snafu
March 31, 2014

Thread length? When you say 2" of thread, is that 2" of thread from the drive flange face?

Answers

March 31, 2014
EricM
Yes there are 2" of threads measuring from the dive flange face to the end of the threads.
1 answers

what studs are these press in studs ? what part number I use on these if I want 5/8-11 4" studs?

sandman
oregon
November 03, 2013

what studs are these press in studs ? what part number I use on these if I want 5/8-11 4" studs?

Answers

November 04, 2013
Jason
Yes, the Winters grand national hub kit uses a press in stud that has 2" thread length. Speedway offers replacement stud part #91048386 that is 3-1/4" long but we do not offer a 4" stud.
1 answers

bearings seals What is the replacement numbers on the bearings and hub seal

mikemike
April 12, 2015

bearings seals What is the replacement numbers on the bearings and hub seal

Answers

April 13, 2015
EricM
The bearings are part number 912TL610549, races are 912TL610510, and seals are part number 912S29866.
1 answers

bearings What is the part number for replacement bearings

mikemike
April 12, 2015

bearings What is the part number for replacement bearings

Answers

April 13, 2015
EricM
The replacement bearings are part number 912TL610549 and the races are part number 912TL610510.
1 answers

What is the replacement part number for the lock plate?

nasarm
May 28, 2015

What is the replacement part number for the lock plate?

Answers

May 29, 2015
Eric
Expert
The lock washer is part number 912HW-12
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