ATS Diesel ATS Diesel GM Billet Flexplate (SFI 29.3)
ATS Diesel ATS Diesel GM Billet Flexplate (SFI 29.3)
ATS Diesel ATS Diesel GM Billet Flexplate (SFI 29.3)
ATS Diesel ATS Diesel GM Billet Flexplate (SFI 29.3)
ATS Diesel ATS Diesel GM Billet Flexplate (SFI 29.3)
Click to zoom in

ATS Diesel GM Billet Flexplate (SFI 29.3)

ATS Diesel
ATS305-900-4248
3059004248
Flexplates
20+ Units In Stock - Ships Next Business Day
$ 804.99
$ 804.99

SKU: 305-900-4248 | UPC: 3059004248

ATS Diesel GM Billet Flexplate (SFI 29.3) 2001-2010 Chevrolet Silverado GMC Sierra HD

The ATS Diesel GM Billet Flexplate SFI 29.3 is a direct replacement for stock flexplates in 2001-2010 GM 6.6L Duramax trucks and vans.

Machined from billet steel it delivers reliable power transfer under extreme torque loads from tuned engines. SFI 29.3 certification ensures safety for racing and street use.

Key Features

  • Billet Steel Construction: Machined from 1045 high-grade steel to prevent cracking and failure in high-horsepower Duramax builds handling over 1200 ft-lbs torque.
  • SFI 29.3 Certification: Meets NHRA IHRA safety standards for flexplates used in competition drag racing and high-RPM applications.
  • Precision Balanced: Computer balanced for zero vibration smooth operation up to 10 000 RPM protecting transmission and driveline components.
  • Direct Bolt-On Fit: Replaces OEM flexplate on Allison 1000 transmissions with no modifications required for 2001-2010 6.6L Duramax.
  • ARP Hardware Included: Comes with high-strength ARP flexplate bolts for secure mounting and long-term durability.

Product Notes

  • Ideal for stock rebuilt or high-performance Allison 1000 transmissions in Duramax trucks.
  • Inspect torque converter bolt pattern compatibility prior to installation.
  • Packaged to prevent shipping damage standard ground freight not required.

Installation Notes

  • Professional installation recommended.
  • Torque ARP bolts to 70 ft-lbs in a star pattern using thread locker.
  • Compatible with stock or aftermarket torque converters verify pilot hub alignment.

This Part Fits

Year Make Model Submodel
2001-2004 Chevrolet Silverado 2500 HD LT
2007-2010 Chevrolet Silverado 2500 HD LT
2007-2010 Chevrolet Silverado 2500 HD LTZ
2004 Chevrolet Silverado 2500 HD WT
2007-2010 Chevrolet Silverado 2500 HD WT
2001-2004 Chevrolet Silverado 3500 Base
2001-2004 Chevrolet Silverado 3500 LS
2001-2004 Chevrolet Silverado 3500 LT
2004 Chevrolet Silverado 3500 WT
2007-2010 Chevrolet Silverado 3500 HD LT
2007-2010 Chevrolet Silverado 3500 HD LTZ
2007-2010 Chevrolet Silverado 3500 HD WT
2006-2010 Chevrolet Express 2500 Base
2001-2004 Chevrolet Silverado 2500 HD Base
2001-2004 Chevrolet Silverado 2500 HD LS
2006-2010 GMC Savana 2500 Base
2006-2010 GMC Savana 3500 Base
2002-2004 GMC Sierra 2500 HD Base
2001-2002 GMC Sierra 2500 HD SL
2001-2004 GMC Sierra 2500 HD SLE
2007-2010 GMC Sierra 2500 HD SLE
2001-2004 GMC Sierra 2500 HD SLT
2007-2010 GMC Sierra 2500 HD SLT
2003-2004 GMC Sierra 2500 HD WT
2007-2010 GMC Sierra 2500 HD WT
2002-2004 GMC Sierra 3500 Base
2001-2002 GMC Sierra 3500 SL
2001-2004 GMC Sierra 3500 SLE
2001-2004 GMC Sierra 3500 SLT
2004 GMC Sierra 3500 WT
2007-2010 GMC Sierra 3500 HD SLE
2007-2010 GMC Sierra 3500 HD SLT
2007-2010 GMC Sierra 3500 HD WT

Why Choose ATS Diesel?

  • Over 20 years specializing in GM Duramax transmission upgrades.
  • Manufactured in the USA with aerospace-grade machining tolerances.
  • Engineered and tested for real-world high-torque diesel performance.

Frequently Asked Questions

  • Q: Does this fit 2006-2007 classic body style Silverado 2500HD Duramax?
  • A: Yes it fits all 2001-2010 6.6L Duramax LB7 LLY LBZ LMM trucks including classic and new body styles listed in fitment table.
  • Q: What material and finish does the flexplate have?
  • A: CNC machined from 1045 billet steel with black oxide finish for corrosion resistance and precise tooth engagement with torque converter.
  • Q: What warranty coverage is provided?
  • A: Backed by ATS Diesel limited lifetime warranty against manufacturing defects when installed correctly.

Shipping & Handling

  • Method: UPS or FedEx Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Sturdy cardboard box 12 x 12 x 3 inches
  • Weight: 6.8 lbs
Read More
Read Less

Request For Information

Have questions about ? Fill out the form below and we'll get back to you by the next business day.
ATS Diesel

ATS Diesel

Explore Our ATS Diesel Collection Welcome to the ATS Diesel collection, where performance meets innovation. As a family-owned and operated business, ATS Diesel Performance is dedicated to enhancing the power and efficiency of your Cummins, Duramax, and Powerstroke powered pickup trucks. Our curated selection features high-quality upgraded transmission components, exhaust manifolds, electronics, and turbochargers that are meticulously designed, engineered, and manufactured to elevate your driving experience. Why Choose ATS Diesel? Expert Engineering: Our products are crafted by industry experts who understand the needs of performance enthusiasts. Quality Manufacturing: Each component is built to last, ensuring reliability and durability for your vehicle. Enhanced Performance: Upgrade your truck with our high-performance parts to achieve superior power and efficiency.   Our Product Offerings In our ATS Diesel collection, you will find: Transmission upgrades for smoother shifts ...

View ATS Diesel Products
Drivetrain

Drivetrain

Shop drivetrain parts and accessories at Black Ops Auto Works for premium differentials, axles, driveshafts, clutch kits, flywheels, transmission components, shifters, ring and pinion gears, and supporting drivetrain hardware for street, track, towing, diesel, and off-road builds. Whether you are upgrading a daily driver, reinforcing a high-horsepower setup, or building a more capable truck or 4x4, this collection is built for strength, reliability, and performance. Shop Drivetrain Parts by Category Browse drivetrain upgrades across major product categories, including: Differentials and differential components Ring and pinion gears Differential covers, braces, bushings, mounts, seals, yokes, and rebuild kits Axles, axle seals, axle disconnect kits, wheel hubs, and wheel bearings Driveshafts, driveshaft loops, U-joints, pinion flanges, and center support bearings Clutch kits, clutch discs, clutch covers, flywheels, flexplates, pressure plates, and release bearings Clutch hydraulics ...

View Drivetrain Products
Flex Discs

Flex Discs

Welcome to our exclusive Flex Discs Transmissions collection, where precision engineering meets unparalleled performance. Our carefully curated selection features top-of-the-line products designed to enhance the functionality and durability of your vehicle's transmission system. Whether you're a professional mechanic or an automotive enthusiast, our collection offers everything you need to ensure smooth and reliable transmission operation. Why Choose Flex Discs Transmissions? Our Flex Discs Transmissions collection stands out due to its commitment to quality and performance. Here are some key features that make our products a must-have: Superior Durability: Constructed from high-quality materials that resist wear and tear. Optimal Performance: Designed to provide smooth shifts and enhance overall transmission efficiency. Wide Compatibility: Suitable for various makes and models, ensuring you find the perfect fit.   Explore Our Selection Browse through our extensive range of Fle...

View Flex Discs Products
Flexplates

Flexplates

Welcome to our exclusive Flexplates collection, where quality meets performance. Our selection features high-quality flexplates that are essential for any automotive enthusiast looking to enhance engine performance and drivetrain reliability. Why Choose Our Flexplates? Durability: Each flexplate is crafted from premium materials to withstand the rigors of performance driving. Precision Engineering: Designed for optimal fit and function, ensuring smooth operation for your vehicle. Variety: Our collection includes a wide range of flexplates compatible with various makes and models.   Upgrade Your Ride Enhance your vehicle's performance with our carefully curated Flexplates. Shop our collection now and experience the difference in reliability and efficiency!

View Flexplates Products
Transmissions

Transmissions

Welcome to our Transmissions collection, where we bring you a curated selection of high-quality products designed to enhance your experience. Each item in this collection has been carefully chosen to ensure you receive only the best. What You Will Find in the Transmissions Collection: Innovative Designs: Products that stand out with cutting-edge technology and usability. Quality Assurance: Each item is vetted for performance and durability. Variety of Choices: A diverse range of products to meet your specific needs. Expert Recommendations: Handpicked by professionals to ensure top-notch quality.   Why Choose Our Transmissions Products? Our Transmissions products are not just about functionality; they are about elevating your overall experience. Here’s why you should explore this collection: Enhanced Performance: Each product is designed to maximize efficiency and effectiveness. Customer Satisfaction: We prioritize your needs and feedback to ensure every product exceeds exp...

View Transmissions Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×