15 Bolt
Rear Ends
$7,850.00
If you want the ultimate all around best of the best rear-end for demolition derby than look no further than the 15 bolt. The 15 bolt gets its name from taking a GM Corporate 10.5 14 bolt and shaving the bottom two inches from the case. With the addition of a fabricated plate to close the machined case up you are left with 15 bolts to attach the cover.
The 15 bolt features a massive 10.5” ring gear and 40 spline axles that can handle all of the horsepower and abuse that you can throw at it.
Our 15 bolt starts with a GM 14 bolt full float housing from a full-size truck. The axle tubes are replaced with new 3” OD ½” wall DOM tube. The case is then precision machined to remove the lower two inches and reconfigured. The housing is outfitted with CNC machined billet housing end/axle savers to house the massive 40 spline hobby stock axle shafts. The rear-end is assembled with a new spool, bearings and gear ratio of your choice that are also shaved to fit the newly modified case. A full truss brace, top brace, back brace are added to this housing to provide complete protection. Fabrication is rounded out with precision jigged ¾” upper trailing arm ears, Coil/Leaf lower mounts, threaded coil spring perches, pinion brake, pinion brake protector and a fabricated cover.
Rear-end comes to you filled with fluid, broken-in and ready for punishment
Standard build Includes the following:
- Shaved case adding approximately 2″ of ground clearance
- 40 spline Moser Hobby Stock axle shafts with bronze bushings and HD retainer plates
- Billet axle saver/housing ends
- Full spool with gear ratio of your choice and all new bearings
- Pinion brake and yoke
- Pinion brake protector
- Lower skid plate
- Full truss brace tied into top brace and back brace
- Top brace and back brace
- HD Coil/leaf brackets
- Jigged upper ears for your car choice
- Threaded coil spring perches
- Fabricated 3/8″ thick rear cover
Rear-end is filled with fluid and broken in ready for punishment.
Optional Upgrades
10 lug bolt pattern
Removable upper ear top plate
(prices based on usable core exchange)
Let’s face it, rear-ends take an enormous amount of abuse during a demolition derby and are a main target of your competitors on the track.
Our mission is to set you up with an extremely durable, low maintenance engineered assembly that can take the punishment time and time again to help you get to victory.
All rear-ends come standard with the following:
- All new high quality Timken/Koyo bearings and seals
- Full spool
- New ring and pinion with ratio of your choice
- Moser Hobby Stock Axle Shafts loaded with Bronze axle shaft bushings and heavy retainers
- Brian Nerat pinion brake yoke
From there, the rear-end is assembled to your specifications. After final assembly, all rear-ends undergo a full break in procedure so that they are ready for punishment.
All rear-ends can be upgraded or downgraded depending on your specific needs.
All rear-ends are built to order. A deposit is required to get a spot in line for your build. All prices shown include a core charge. Core charge can be refunded if a good usable core is provided.
Let’s face it, rear ends take an enormous amount of abuse during a demolition derby and are a main target of your competitors on the track.
Our mission is to set you up with an extremely durable, low maintenance engineered assembly that can take the punishment time and time again to help you get to victory.
After final assembly, all rear ends undergo a full break in procedure so that they are ready for punishment.
All rear ends can be upgraded or downgraded depending on your specific needs.
All rear ends are built to order. A deposit is required to get a spot in line for your build. All prices shown include a core charge. Core charge can be refunded if a good usable core is provided.
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