Choosing the correct automotive replacement flexplate is crucial for your vehicle's transmission performance and overall drivetrain integrity. A well-matched flexplate ensures efficient power transfer from the engine to the transmission, preventing costly damage and maintaining smooth operation. Making an informed decision is vital for long-term reliability and safety on the road.
- Balanced to factory specs
- Fit and function like the original parts;Restores normal operation
- Fit type: Vehicle Specific
- ATP Transmission Parts
- SFI 29.1 certified
- 0.035 inch thicker than stock flexplates
- Designed and built for racing
- Manufactured to exceed OEM specifications
- Features double-welded ring gears designed to withstand the RPM and stress of engine torque related to high stall converters
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
- 【Wide Compatibility】Flex plate adapter kit works with 10.75" and 11.066" (11.1") torque converter bolt patterns, ensuring compatibility with a range of torque converters for seamless integration.
- 【Cost-Saving】Designed to work with the factory LS starter, this adapter flexplate helps reduce conversion costs by utilizing existing components.
- 【Fitment】Trans adapter kit fits for 1997-07 GM LS1/LS6 engines (up to '09 for LS2) and 4.8/5.3/6.0 truck engines including L33, L59, LM4, LM7, LQ4, LQ9, and LR4. Adapts all of these engines to TH350, 700R-4, 200-4R, 4L60, and Powerglide transmissions...
- 【Note】May not work with some 1999-2000 LQ4 6.0 LS engines, specifically ones that came with a 4L80E automatic as they require a flat flexplate due to the "tall" crank flange.
- 【Package Include】1x trans adapter flex plate 575-34610, 6x Gen III LS flex plate bolts 101-2442901, 1x LS torque converter adapter sleeve 575-18346, 1x torque converter bolt Kit. Providing all you need for an effortless Gen III LS swap.
- Complete LS Flexplate & ARP Bolt Kit for Maximum Strength – This kit includes the Michigan Motorsports Gold Series LS Flexplate and ARP 244-2901 flexplate bolts, ensuring superior durability, torque retention, and high-RPM stability.
- Gold Series SFI 29.1 Certified Chromoly Flexplate – Constructed from high-strength chromoly steel, this flexplate offers exceptional strength, reduced flex, and increased longevity, making it perfect for high-performance LS swaps, street builds, and...
- Optimized for LS Engines with TH350, 700R4, 4L60, 4L60E Transmissions – Designed for direct compatibility with factory and aftermarket torque converters, ensuring proper engagement and driveline alignment.
- ARP 244-2901 Flexplate Bolts for Maximum Clamping Force – Includes high-strength ARP flexplate bolts, providing secure installation, vibration resistance, and superior load handling, preventing flexplate movement under extreme conditions.
- Precision-Machined for High-Performance Reliability – Engineered with tight tolerances and precision balancing, reducing rotational mass and improving throttle response and power transfer in high-performance LS applications.
- Fit Type: Vehicle Specific
- Package Dimensions: 14.6 in L x 14.55 in W x 1.1 in H (inches)
- Package Weight: 6.76 lbs (pounds)
- Country of Origin : United States
- Compatible with Chevy V8
- Engine Compatibility: Designed for Small Block Compatible with Chevy engines with a two-piece rear main seal, making it a suitable choice for specific engine configurations.
- Installation Flexibility: Perfect for installations of a new engine or transmission, adding versatility to your vehicle repair or upgrade project.
- Tooth Count: Comes with 168 teeth, contributing to efficient and smooth transmission operation.
- Dual Bolt Patterns: Features dual bolt patterns, 10-3/4" and 11-1/2", offering compatibility with a range of setups.
- Key Dimensions: The flexplate has an outside diameter of 14.09" and a center hole of 2-1/2", providing the required specs for precise fitment.
- Balanced to factory specs
- Fit and function like the original parts
- Restores normal operation
- Country of origin: CN
- Package Dimensions: 15.5 L x 2.0 H x 15.5 W (")
- Balanced to factory specs
- Part number: Z-134
- Package Weight: 6.3 pounds
- Package Dimensions: 36.576 L x 10.414 H x 36.576 W (centimeters)
- Fit type: Vehicle Specific
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Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Flexplates
Key Factors for Choosing an Automotive Replacement Flexplate
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Vehicle Compatibility and Specifications
Ensuring the flexplate is a precise match for your vehicle's make, model, year, engine, and transmission is paramount. Check for correct bolt patterns for both the crankshaft and torque converter, as well as the ring gear tooth count. An improperly sized or balanced flexplate can lead to severe vibration, premature wear, and costly damage to your engine and transmission. Always consult your vehicle's OEM specifications or a trusted parts catalog to confirm compatibility before purchase.
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Material and Durability
The material composition significantly impacts a flexplate's durability and performance. Most standard replacement flexplates are made from high-strength steel. For high-performance applications, billet steel or specialized alloys offer superior strength and resistance to deflection and cracking under extreme stress. Consider your vehicle's intended use—daily driving, towing, or racing—to determine the appropriate level of material robustness needed for optimal longevity and reliability.
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SFI Certification
For vehicles involved in competitive racing or very high-performance applications, an SFI (SFI Foundation Inc.) certification is a critical factor. SFI-certified flexplates have undergone rigorous testing to meet specific safety and performance standards, ensuring they can withstand extreme RPMs and torque without catastrophic failure. While not necessary for standard street vehicles, SFI certification provides an extra layer of assurance for demanding environments, often required by racing organizations.
