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SRT STAGE I AS68RC

SONNAX HIGH-CAPACITY K2 CLUTCH PISTON KIT:

Updated Sonnax High-Capacity K2 Clutch Piston Kit
Common failure of the K2 clutch is due to limited capacity. The Sonnax K2 clutch piston kit combines a thinner billet aluminum K2 piston with a thinner yet stiffer backing plate that together allow for one extra full thickness clutch and steel, increasing the number of clutch counts from five to six. This improves the K2 clutch capacity by 20% for more torque capacity while also significantly increasing steel mass in clutch pack for improved heat dissipation and resistance to failure.

Year Make Model Engine
Year Make Model Engine
2007 Sterling Bullet 6.7L
2008 Dodge Ram 3500 6.7L
2008 Dodge Ram 4500 6.7L
2008 Dodge Ram 5500 6.7L
2008 Sterling Bullet 6.7L
2009 Dodge Ram 3500 6.7L
2009 Dodge Ram 4500 6.7L
2009 Dodge Ram 5500 6.7L
2009 Sterling Bullet 6.7L
2010 Dodge Ram 3500 6.7L
2010 Dodge Ram 4500 6.7L
2010 Dodge Ram 5500 6.7L
2011 Dodge Ram 3500 6.7L
2011 Dodge Ram 4500 6.7L
2011 Dodge Ram 5500 6.7L
2012 Dodge Ram 3500 6.7L
2012 Dodge Ram 4500 6.7L
2012 Dodge Ram 5500 6.7L

AS68RC BUILD PARTS LIST

  • Raybestos or OEM Clutch Set
  • Raybestos Steels
  • High Quality Overhaul Kit
  • New Bonded Pistons
  • Filtran Brand Transmission Filter
  • Internal Electronics Harness & Connectors
  • Updated Sonnax Clutch Control Plunger Valve & Sleeve Kit
  • Sonnax Heavy Duty Sonnax K2 Clutch Hub
  • Updated Sonnax Oversized Cooler Blow-Off Valve
  • Updated Sonnax Oversized Linear Solenoid Feed Dampener Valve
  • Updated Sonnax Oversized Linear Solenoid Output Dampener Valve
  • Updated Sonnax Oversized Solenoid Modulating Pressure Blow-Off Valve

AS68RC Updates Details:

• Updated Sonnax Clutch Control Plunger Valve & Sleeve Kit
Corrects common valve and sleeve wear issues. This update replaces both the valve and sleeve to restore proper function and prevent future leaks, using upgraded wear-resistant materials for improved durability.
• Oversized Cooler Blow-Off Valve
Addresses converter-related problems caused by excessive wear in the cooler blow-off valve bore. Once worn, leakage leads to low cooler flow, overheated converter fluid, and eventual converter damage—this oversized valve fixes that and enhances reliability.
• Updated Sonnax Oversized Linear Solenoid Feed Dampener Valve
Fixes issues tied to excessive wear in the linear solenoid feed dampener valve bores. When worn, leakage causes low solenoid feed pressure, resulting in multiple shift complaints, concerns, and solenoid performance codes—this update restores proper pressure and operation.
• Updated Sonnax Oversized Linear Solenoid Output Dampener Valve
Corrects problems from excessive wear in the linear solenoid output dampener valve bores. Leakage here leads to low solenoid output pressure, causing shift issues like 2-3 flair shifts and solenoid performance codes—this update ensures consistent performance.
• Updated Sonnax Oversized Solenoid Modulating Pressure Blow-Off Valve
Resolves solenoid feed issues due to excessive wear in the solenoid modulating pressure blow-off valve bore. Once worn, leakage reduces solenoid feed pressure, leading to shift complaints, concerns, and performance codes—this update eliminates those problems.

At Shift Rite Transmissions, we’ve got you covered with our standard 1-year 36,000-mile transmission warranty when you purchase a new torque converter, giving you peace of mind from the start. For even greater protection, we offer upgraded warranty options: a 2-year, 50,000-mile warranty and a 3-year, 100,000-mile warranty, available for an additional cost. What’s even better? You don’t have to decide right away! You can upgrade your warranty at any time during your original 1-year coverage period. Stay protected for longer, on your terms.

At Shift Rite Transmissions, we want to ensure your transmission performs at its best! Our warranty covers everything under normal use, but it won’t cover damage to cases or shafts caused by misuse, abuse, or burn down due to operator error. For the warranty to remain valid, all warranty-related work must be completed at our facility in Kankakee, IL. The vehicle owner is responsible for shipping the transmission or vehicle to us for any necessary repairs. Please note that any unauthorized repairs made to the transmission will void the warranty. Please note that our warranty is non-transferable. We’re here to support you and keep your transmission in top shape!

Buyer is required to pay the core deposit up front. Core must NOT have any internal hard part damage or case damage, otherwise there will be additional charges deducted from your core deposit for the damaged hard part(s) or case. Initial shipping cost only covers one-way shipping. Return shipping cost for the transmission core is not included. Return shipping cost is deducted from your core deposit refund, after returned core passes inspection. All Cores must be returned within 30 days from date of purchase. Please visit our Core Return Section for more details.

Majority of units are in stock, in the unlikely case we do not have one in stock, they are quickly available, in most cases, as little as one business day. There are many different variations of this transmission model available so please make sure we get a VIN number when or after you place the order.

2007-2012 AISIN AS68RC TRANSMISSION 6.7L 2WD RAM

Built Better, Shifts Rite Every Time, Guaranteed

Every transmission we offer is completely remanufactured to the toughest, highest industry standards—delivering you a powerhouse product that doesn’t just meet OEM benchmarks, it surpasses them. Forget quick fixes or patched-up parts; we rebuild from the ground up, incorporating the latest updates and running each unit through comprehensive quality checks to guarantee flawless assembly and unbeatable reliability. Drive with confidence knowing you’ve got the best!

AS68RC BUILD PARTS LIST

  • Raybestos or OEM Clutch Set
  • Raybestos Steels
  • High Quality Overhaul Kit
  • New Bonded Pistons
  • Filtran Brand Transmission Filter
  • Internal Electronics Harness & Connectors
  • Updated Sonnax Clutch Control Plunger Valve & Sleeve Kit
  • Sonnax Heavy Duty Sonnax K2 Clutch Hub
  • Updated Sonnax Oversized Cooler Blow-Off Valve
  • Updated Sonnax Oversized Linear Solenoid Feed Dampener Valve
  • Updated Sonnax Oversized Linear Solenoid Output Dampener Valve
  • Updated Sonnax Oversized Solenoid Modulating Pressure Blow-Off Valve

AS68RC Updates Details:

• Updated Sonnax Clutch Control Plunger Valve & Sleeve Kit
Corrects common valve and sleeve wear issues. This update replaces both the valve and sleeve to restore proper function and prevent future leaks, using upgraded wear-resistant materials for improved durability.
• Oversized Cooler Blow-Off Valve
Addresses converter-related problems caused by excessive wear in the cooler blow-off valve bore. Once worn, leakage leads to low cooler flow, overheated converter fluid, and eventual converter damage—this oversized valve fixes that and enhances reliability.
• Updated Sonnax Oversized Linear Solenoid Feed Dampener Valve
Fixes issues tied to excessive wear in the linear solenoid feed dampener valve bores. When worn, leakage causes low solenoid feed pressure, resulting in multiple shift complaints, concerns, and solenoid performance codes—this update restores proper pressure and operation.
• Updated Sonnax Oversized Linear Solenoid Output Dampener Valve
Corrects problems from excessive wear in the linear solenoid output dampener valve bores. Leakage here leads to low solenoid output pressure, causing shift issues like 2-3 flair shifts and solenoid performance codes—this update ensures consistent performance.
• Updated Sonnax Oversized Solenoid Modulating Pressure Blow-Off Valve
Resolves solenoid feed issues due to excessive wear in the solenoid modulating pressure blow-off valve bore. Once worn, leakage reduces solenoid feed pressure, leading to shift complaints, concerns, and performance codes—this update eliminates those problems.

 

OEM PART NUMBERS:
68012491AL, 68012491AK, RL012491AJ, RL012491AK, RL037910AG, 68037910AF, 68037910AG, RL037910AF. TAG Numbers 5032491AJ, 52852846AC , 52852846AF, 52852846AG

Will Also Fit Sterling Bullet 2007, 2008, & 2009 6.7L

Have a Questions?
(815) 935-2356
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What Our Customers Say

Don't just take our word for it. Hear from fellow DIYers and mechanics who've experienced the Shift Rite difference. Our customers consistently praise our quality products, expert advice, and outstanding service. See why so many trust us for their transmission needs.
Ginger Duke

Needed a transmission for my dodge 5500. They shipped it quickly to my mechanic then let me bring the core in since I was going to be in the area, so I didn’t have to spend a bunch on shipping to get my core deposit back! Molly is the best to deal with! Can’t go wrong with them!

Position
Raymond Noblin

The owner was very involved with my 4l80e swap. Had an internal harness connector o-ring leak they helped me resolve to prevent fluid from leaching up into the main input harness. After that the trans performed flawlessly. Great communications and shipping crate professionally done. I will use them again I am sure. I would proudly wear a shirt or hat with their logo. Thanks team.

Position
John Parks

If you have any doubt about purchasing your transmission from Shift Rite put it to the side. I can promise you they stand on their work because it’s top shelf and the small chance they do make a mistake they will rectify it I assure you. In my case the mistake was on my end Bret still helped me resolve the problem . Thanks again Bret and the team at Shift Rite. I appreciate it!

Position
Lisa Sewell

As a first time customer, I was extremely pleased with how efficient and professional this company is. I had the pleasure of dealing with Molly who was very knowledgeable and pleasant. Molly was timely with returning calls/text messages. She is a great asset to the company. I would highly recommend their services if needed. Lisa Sewell

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Christian Davis

I purchased a 48RE Transmission from ShiftRite! It arrived quickly, installed it, and I was back on the road! So far all is well! The communication was outstanding and the people at ShiftRite really take care of their customers! Thanks!

Position

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