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Grand National Axles

Grand National Axles

We spent years developing a heat-treat process that is unique to Speedway Engineering’s manufactured axles. We looked all over the country to find the furnaces that would assure our axles remain superior in quality and consistency. Today, we confidently offer the champion's choice of axles in our Grand National Axle.

RECOMMENDED APPLICATIONS

NASCAR • ARCA • Circle Track • Road Race • Hooters' Cup • Busch North

FEATURES

  • 1.250" shank size with a 1.375" seal area at the outer end
  • Fits rear end housing snouts for 2.5" hub bearings
  • Gundrilled and honed axles have an extra length of inner spline for custom fit
  • Solid axles have 2" of inner spline
  • Double heat-treated to our stringent standards
  • Fully polished
  • Outer end is the standard 24-Spline
  • Inner spline is 31-Spline Ford (unless otherwise noted)
  • Both ends are drilled and tapped for easy service

BENEFITS

  • CNC machined out of premium grade Hy-Tuff steel
  • Manufactured with the same heat treat specs as our NASCAR Cup axles
  • 100% inspected for accurate spline size, Rockwell hardness, and straightness
  • Strong enough for NASCAR Cup; strong enough for many premier divisions across the United States
  • Most reliable axle on the market today
GRAND NATIONAL AXLES
PART # DESCRIPTION
790-31-LENGTH 31 Spline Ford (solid)
790-R31-LENGTH 31 Spline Ford (hollow)
790-28-LENGTH 28 Spline Ford (solid)*
790-35-LENGTH 35 Spline Dana 60 (solid)*
790-R28-LENGTH 28 Spline Ford (hollow)*
790-R35-LENGTH 35 Spline Dana 60 (hollow)*
*special order — allow 4 weeks for delivery
IN STOCK LENGTHS*
26-5/8" 32-5/8"
27-5/8" 33-5/8"
28-5/8" 34-5/8"
29-5/8" 35-5/8"
30-5/8" 36-5/8"
31-5/8"  
*Any length can be special ordered