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Superior Axle and Gear EV78-31 - Superior Axle and Gear Evolution Series Rear Axle Kits

  • Rear Axle Kit, 4340 Chromoly, 8.0 in. Rear, Ford/Mercury, Mustang/Cougar, Kit
  • Application Specific
  • Estimated Ship Date: 6/12/2012
 
BrandSuperior Axle and Gear
Manufacturer's Part NumberEV78-31
Part TypeAxle Shafts, Direct Fit
Product LineSuperior Axle and Gear Evolution Series Rear Axle Kits
Summit Racing Part NumberSAG-EV78-31
 
Axle TypeBolt-in
Inner Axle Splines31
Axle Length (in)27.120 in./31.250 in.
Axle Material4340 chromoly
Wheel Stud Pattern5 x 4.50 in.
Wheel Stud TypePress-in
Wheel Studs IncludedYes
Bearings IncludedYes
Seals IncludedYes
QuantitySold as a kit.
 

These Evolution series rear axle kits are designed, engineered, and manufactured to be the best axles on the market. The axles are made from a super-tough, induction-hardened alloy, and many feature more splines for extreme duty and dual bolt patterns for upgrading to larger studs. Plus, all axles are made using a cold-formed, rolled spline process, making them 35 percent stronger than cut splines.

Warranty

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