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Sonnax Smart Sun Shell Kit 4L60E / 700R4

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  • Sonnax, Transmission parts, GM, GMC, Pontiac, Buick, 4L60, 4L60E, 4L65E, 4L70E, 700R4, 77749-02K, Silverado, tahoe, hot rod, heavy duty, Upgrade
  • Sonnax, Transmission parts, GM, GMC, Pontiac, Buick, 4L60, 4L60E, 4L65E, 4L70E, 700R4, 77749-02K, Silverado, tahoe, hot rod, heavy duty, Upgrade
  • Sonnax, Transmission parts, GM, GMC, Pontiac, Buick, 4L60, 4L60E, 4L65E, 4L70E, 700R4, 77749-02K, Silverado, tahoe, hot rod, heavy duty, Upgrade
Sonnax
RRP: $215.12
$104.95 (You save $110.17)
SKU:
77749-02K
Availability:
Usually ships within 24 hours, fast free shipping to the US.
Shipping:
Calculated at checkout

 Product Description

SmartShell® Heavy Duty Reaction Shell Kit
Part No. 77749-02K
Heavy Duty Reaction Shell 
Enclosed Thrust Bearing 
Custom Roller Clutch Race 
In GM 4L60, 4L60-E, 4L65-E and 4L70-E units, bulky aftermarket shells always fall short when splines continue to strip and the shells break under stress. A chronic problem with both OE and thicker aftermarket shells is failure of the rear planetary bearing. From daily jobs to extreme builds, the Sonnax SmartShell heavy-duty reaction shell kit 77749-02K is the only way to prevent shell failure AND protect the bearing.
 
The SmartShell avoids the weight found in traditional, heavy-duty aftermarket shells thanks to a unique combination of improved design and manufacturing for a super strength shell that's only slightly bulkier than OE. To prevent thrust loads from overwhelming the captured planetary bearing, the SmartShell features a larger bearing and custom roller clutch race. These parts re-route thrust loads through the carrier, completely bypassing the delicate bearing.
 
Stops spline stripping
Prevents hub breakage
Eliminates planetary bearing failure
Buy quality transmission parts with fast free shipping to the US

 Product Videos

Sonnax SmartShell® - Heavy Duty Reaction Shell Kit
  • Sonnax SmartShell® - Heavy Duty Reaction Shell Kit
    Stripped or cracked shells in GM 4L60 series units are a commo...
  • Sonnax SmartShell: The heavy duty reaction shell kit
    Stripped or cracked shells in GM 4L60 series units are a commo...

 Warranty Information

Warranty

If you ever have any issues with any of our parts please contact us. We are here to help and stand behind all of the products we sell. Sales@transpartsnow.com
Return Policy
Parts that are sealed are not returnable once they are opened. This includes all parts that are in Sealed Plastic. Overhaul kits are not returnable if opened. No returns after 30 days. A 20% restocking and handling fee will be applied to all returnable items. Shipping cost is not refundable. All returns must have prior company approval and authorization, with conformation email from Transmission Parts Now.
LIMITED WARRANTY: All new, rebuilt and used parts listed on transpartsnow.com are warranted to be free of defects in material and workmanship for a period of 90 days from the date of purchase. Our liability under this warranty is limited to replacing or crediting the original purchase price of any part found to be defective. No claims for labor, shipping or consequential damage will be accepted. What is not covered under this warranty: removal or installation costs, damage due to accident, misuse or alteration, damage due to improper installation. All parts claimed defective must be returned prepaid freight for inspection with a written explanation of how or why the part is defective. All returns must have prior company approval and authorization.

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