Bill Smith
Founder, 1929-2014
Speedy Bill
Since 1952
Speedway Motors Logo
America's Oldest Speed Shop ®


Grand National Steel Brake Rotor Adapter Plate, 8 on 7 Inch BC

SAME DAY SHIPPING! Order within the next 10 hours 38 minutes and receive same day shipping

Material Type:
Sold in Quantity:
Black Oxide
Bolt Hole Pattern:
8 on 7.00"
Material Thickness:
Garage Sale:
Steel Brake Rotor Adaptor

Click image to enlarge



Q & A

What's in the Box

Fits 8 bolt on 7" center rotors.  For use on GN rear hub, 910-48351-DIR, to permit attachment of brake rotors.

You may also be interested in:

Rotor-Hat Bolt Set
(Part #8352500071)
                        Ultralight, 5/16-24 thread. Set of 8. With self-locking nuts.
Speed Fast Stainless Safety Wire, .025 Inch
(Part #91089406)
                        Speed Fast 304 stainless steel safety wire. Sold in one pound rolls and comes with a handy belt clip.
Tru-Lite Titanium Bolts, 5/16-18 Coarse 3/4 In Long, 1/2 In Hex Head
(Part #9406051)

These coarse thread Tru-Lite titanium bolts feature heat treated rolled threads. Titanium bolts have a greater tensile strength than Grade 8 bolts at half the weight. Made from 6AL/4V material which has 3 times the strength of aluminum and is 42% lighter than steel.

  • Coarse thread Titanium
  • Greater tensile strength than Grade 8 bolts
  • 3 times the strength of aluminum
  • 42% lighter than steel
  • 5/16"-18 x 3/4"
  • 1/2" Hex Head
  • Application: fuel tank side mounts
Lightweight Steel GN Rear Hub
(Part #91048351)
                        These lightweight steel Grand National rear hubs will make use of and work in conjunction with a rotor adaptor flange, # 910-48354-GN shown below . 5-1/2 lbs. With 5/8" coarse studs and races. IMCA approved. 5 on 5".