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Smart Tech 4L60E Input Drum Kit Sonnax 77733-06K

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  • Sonnax 4l60E Smart tech Input drum kit, 77733-06K, Gm transmission parts, Chevy transmission parts, 4L60E, 4L65E, 4L70E Input drum. Heavy duty sonnax, Heavy duty input drum, 4L60e upgrades.
  • Sonnax 4l60E Smart tech Input drum kit, 77733-06K, Gm transmission parts, Chevy transmission parts, 4L60E, 4L65E, 4L70E Input drum. Heavy duty sonnax, Heavy duty input drum, 4L60e upgrades.
  • Sonnax 4l60E Smart tech Input drum kit, 77733-06K, Gm transmission parts, Chevy transmission parts, 4L60E, 4L65E, 4L70E Input drum. Heavy duty sonnax, Heavy duty input drum, 4L60e upgrades.
Sonnax
RRP: $800.65
$449.69 (You save $350.96)
SKU:
77733-06K
Availability:
Usually ships within 24 hour from Transmission Parts Now, fast free shipping to the US.
Shipping:
Calculated at checkout

 Product Description

Use what the Pro's Use Sonnax Parts are top shelf!
Need help ask us. We have over 25 years building transmissions.
Smart-Tech® Input Housing Kit
Part No. 77733-06K
PTFE Impregnated Rear Stator Support Bushing
Modified Input Housing
Input Drum Reinforcement Sleeve
Overrun Piston Inner Seal
Overrun Piston
3-4 Clutch Apply Plate
3-4 Clutch Return Springs (10)
Bolt-on Anchor Plate
Overrun Piston Outer Seal
Socket Head Cap Screws (15)
Limitations of the GM 4L60-E, 4L65-E, 4L70-E OE input housing are the root cause of 3-4 burnup in performance applications. The weak OE backing plate flexes during clutch apply, allowing heat to build up unevenly within the clutch pack’s limited space. Stop the flex and you stop 3-4 clutch failure.

Sonnax Smart-Tech input housing kit 77733-06K makes room for a taller clutch pack anchored in place by a stronger backing plate, making it the only way to increase clutch capacity and protect against destructive heat. Numerous other improvements to the housing ensure maximum durability and protection against failure in higher horsepower, higher pressure applications. The housing also is available with a pre-installed, heavy-duty input shaft.

Physically larger clutch pack area for increased 3-4 clutch capacity without sacrificing clutch durability. Use your choice of:
Eight .067" frictions with seven .095" steels
Nine .062" frictions with eight .077" steels
Anchored backing plate keeps clutches parallel to stop the flexing and distortion that leads to heat build-up
Treated housing is significantly more resistant to fatigue failure
Steel reinforcement sleeve prevents breakage in the spline area
Custom backing plate replaces OE retaining ring to eliminate risk of blowout.

 

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 Product Videos

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 Warranty Information

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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