WAVETRAC®
Enhanced No-Load Bias Ratio via its Wave Design Center Pack One of the known shortcomings of a typical torque biasing differential is its loss of drive (behaving much like an open diff) under zero or near-zero torque conditions (for example, when there is 'no-load' applied through the drivetrain, either at vehicle stationary and/or transition from engine driving vehicle to engine braking and back). The Wavetrac® differential uses a patent pending design to improve grip in low traction conditions. Precisely engineered, converging / diverging wave profiles are placed on one side gear and its mating preload hub. As the two side gears rotate relative to each other, each wave surface climbs the other, causing them to move apart. This imparts an increased normal force through the side gears, increasing the bias ratio as a function of load. This increase occurs automatically only when conditions find it necessary, and it 'reverts' back to its nominal bias ratio quickly and seamlessly, maintaining optimal drivability and performance at all times. It's like having two differentials in one: you get the benefit of a higher bias ratio when needed without detriment to the car's handling. Interchangeable Friction Plates Provide Controlled Bias Here's something else you won't find in any other design: The Wavetrac® diff's behavior can be altered in the field to suit your needs. It comes standard with carbon-fiber bias plates for the best all around performance. Interchangeable plates using materials with different friction coefficients to fine-tune the bias ratio are sold separately. These friction plates provide a mechanism to tune the response of the differential as a function of applied torque load. The applied torque load manifests itself as an axial load from the differential pinions into the housing. This axial force is then considered a normal force into the friction plate, and as a function of the effective coefficient of friction, will provide a resistive torque to the rotational motion of the differential pinions. The resistive torque will add to the resistance of relative rotation of all components within the differential. The resistive force, however, is non-uniform since it is a function of the axial load from the differential pinions. The unbalance of the resistive torque will manifest as non-uniform energy absorption within the differential causing a bias ratio. Superior Design, Materials, and Construction Designed from a clean sheet, the new Wavetrac® Differential brings current gear technology to the market. Internally, its gear tooth forms are optimized for strength and improved oil film retention over competitive designs. Our gear package is smaller, reducing overall mass, yet is more durable. Attention was also paid to the side gear/axle interface, putting as much material thickness as possible in this critical area - most important when power levels get high. Each Wavetrac® Differential is crafted from the highest quality materials available. The internal gears are made from high strength 9310 alloy steel. The diff bodies are machined from case hardened steel billet. To complete the package, every Wavetrac® differential is built exclusively using high quality, high strength fasteners from ARP®, the world leader in fastener technology.
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Part # 5W9F35 - Ford 9” 35 Spline WAVETRAC® (Mfg. Part # 56.309.178WK)
9" Ford
35 Spline
*Requires Aftermarket 3.250" Case
*Aftermarket Aluminum cases may need to have material relieved for fitment. Learn More
Part # 5W1235-4 - 12 Bolt 4-Series 35 Spline WAVETRAC® (Mfg. Part # 57.309.144K)
SAME DAY SHIPPING (if ordered before 2pm EST)
APPLICATION: 12 Bolt GM - Car
Carrier: 4-Series
Spline: 35
*Requires special carrier bearings (Part # SB12W) Learn More
Part # 5W1235-3 - 12 Bolt 3-Series 35 Spline WAVETRAC® (Mfg. # 57.309.143WK)
SAME DAY SHIPPING (if ordered before 2pm EST)
APPLICATION: 12 Bolt GM - Car
Carrier: 3-Series
Spline: 35
*Requires special carrier bearings (Part # SB12W) Learn More
Part # 5W9F31- Ford 9” 31 Spline WAVETRAC® (Mfg. Part # 56.309.175WK)
Regular Price: $995.00
Sale Price: $815.00
9" Ford
31 Spline
Fits; 2.891" or 3.062" Case
Mfg. Part # 56.309.175WK
*Aftermarket Aluminum cases may need to have material relieved for fitment. Learn More
Part # 5W8833 - Ford 8.8” 33 Spline WAVETRAC® (Mfg. Part # 56.309.183WK)
8.8" Ford
33 Spline
Mfg. Part # 56.309.183WK
*CANNOT BE USED WITH C-CLIP STYLE AXLES (MUST USE C-CLIP ELIMINATORS OR BOLT-IN TYPE AXLES). Learn More
Part # UADP - Moser Ultimate 9" 31 Spline Axle & Diff pkg (Alloy 31 Spline Axles)
Regular Price: $1,575.00
Sale Price: $1,375.00
This part number includes:
1 - pair of custom alloy 31 spline axles
1 - 31 spline Wavetrac unit
1 - complete setup kit for your center section
1 - bearing package (axle bearings, retainers and studs up to 1/2" by 3" long -5/8 studs available for an upgrade) (tapered bearings are an upgrade also)
Learn More
PART # 5WSRT-8-05 - JEEP GRAND CHEROKEE (WK) SRT8 REAR WAVETRAC® (Mfg. # 48.309.164WK)
2005-2010 Jeep Grand Cherokee SRT8
Mfg. Part # 48.309.164WK
A direct replacement for the stock Jeep WK SRT8 open differential, the Wavetrac® puts the power down for faster cornering and quicker acceleration. Part number 48.309.164WK. Made in USA.
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Part # 5W8831 - Ford 8.8” 31 Spline WAVETRAC® (Mfg.# 56.309.181WK)
APPLICATION:
8.8" Ford
31 Spline (C-CLIP ONLY)
Manufacture # 56.309.181WK
*Designed for use with C-Clip Style Axles Only! Learn More
Part # 5W9F33- Ford 9” 33 Spline WAVETRAC® (Mfg. # 56.309.179WK)
9" Ford
33 Spline
Fits; 2.891" or 3.062" Case
*Aftermarket Aluminum cases may need to have material relieved for fitment. Learn More
Part # 5WV020 - Volkswagen 020 WAVETRAC® (Mfg. Part # 10.309.150WK)
Applications:
VW Golf/Jetta/GTI/Scirocco MK1 & MK2
VW Golf/Jetta/GTI MK3 8v only
Learn More
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