-40%

LS1/LS2/LS6/5.3/6.0 to TH350/700R4/4L60 Adapter Flexplate

$ 59.13

Availability: 1594 in stock
  • Manufacturer Part Number: 57534610
  • Refund will be given as: Money Back
  • Brand: Speedway Motors
  • Condition: New
  • California Prop 65 Warning: True
  • Material: Steel
  • Returns Accepted: Returns Accepted
  • Return shipping will be paid by: Seller
  • Type: Flexplates
  • Item must be returned within: 30 Days

    Description

    This flexplate allows the use of GM TH350, 700R4, 200-4R, 4L60, and Powerglide transmissions with Gen III LS engines, Works with 10.75" and 11.066" (11.1") torque converter bolt patterns, Works with factory LS starter to reduce conversion costs, Features double welded ring gears for added durability, .035" thicker than stock which meets SFI 29.1 certification
    LS1/LS2/LS6/5.3/6.0 to TH350/700R4/4L60 Adapter Flexplate
    Sku # 57534610
    Mfr. Part # 57534610
    Condition
    New
    Brand
    Speedway Motors
    Sold
    Each
    Details
    Notes
    If you're installing a TH350 or 700R4 behind an LS engine, we recommend the use of adapter sleeve 57518346 which centers the torque converter hub into the LS crankshaft. Also, we recommend new flexplate bolts such as 1012442901.
    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.
    Info
    Make your Gen III LS swap a breeze with this flexplate adapter for GM automatic transmission. These platinum series flexplates are engineered to handle extreme duty applications and designed to take the punishment of today's high horsepower Gen III engines. The 4mm thick centerplate provides a solid foundation (that's 0.035" thicker than stock). Ring gears are precision welded to meet SFI 29.1 specifications, utilizing robotic cold-welding processes. These flex plates are inspected throughout the manufacturing cycle to ensure a high quality, safe end product.
    SFI 29.1 certified
    Direct bolt on for Gen III LS engines w/ "short" crank flange
    Adapts to GM TH350/700R4/2004R/4L60/Powerglide transmissions
    Works with 10.75" & 11.066" (11.1") bolt-pattern torque converters
    Constructed from cold-rolled premium steel
    0.035" thicker than stock flexplates
    Long lasting gold iridited finish prevents rust
    Forged 1-piece steel ring gear w/ 168 teeth
    Features double welded ring gears for added durability
    Works with factory LS starter motor
    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 that originally came behind a non-LS engine
    (such as a SBC or BBC V8).
    WARNING: Cancer and Reproductive Harm -- p65Warnings.ca.gov
    Specs
    Material Type
    Steel
    Sold in Quantity
    Each
    Tooth Count
    168
    SFI Rating
    29.1
    MFG. Part #
    57534610
    Bolt Hole Pattern
    10.75" and 11.066"
    Reviews
    Sure
    Rated
    by Fernie on March 25, 2021
    Summary:
    It fit good and looks more durable than the on i had before
    Yes, I recommend this product.
    Doing a LS2 swap in a 67 k10. Appears to be heavy duty.
    Rated
    by WV Hillbilly on March 22, 2021
    Summary:
    Flexplate appears to be heavy duty and durable.
    Yes, I recommend this product.
    Should bought this first! Exactly what i needed!
    Rated
    by Chris on May 28, 2020
    Summary:
    Used this to put a powerglide to LS.
    Yes, I recommend this product.
    Good quality product
    Rated
    by Timothy on May 05, 2020
    Summary:
    This arrived on-time and as expected. I always receive quality items from Speedway motors and would recommend ordering this part or any other from them.
    Yes, I recommend this product.
    Fitted perfectly. Ls1 to 700r4. No mucking around modifying
    Rated
    by Karl on March 05, 2020
    Summary:
    Highly recommend this product to anyone fitting 700r4 or th350 behind an Ls1.
    Cons:
    None
    Pros:
    Fits perfectly without the need for modification
    Great product at a good price.
    Yes, I recommend this product.
    Related Items / Suggested Parts
    TCI Automotive 399753 LS1 Engine to GM Auto Transmission Adapter
    ARP 244-2901 Chevy Gen III/LS Flexplate Bolts
    Chevrolet Performance 19257940 LS Gen III/IV Flexplate Bolts, Set/6
    LS Crankshaft TH350/TH400/700R4 Torque Converter Adapter Sleeve
    Gen III GM LS V8 to TH350/700R4 Transmission Adapter Kit
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    About
    Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 69 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
    Return Policy
    We want you to be satisfied with your purchase. If within 60 days after you receive your shipment and you are not satisfied, you may return the item for a refund. Refunds will be processed (1-2) days after the item is received by Speedway. All returned merchandise must be in original factory condition with no modifications or alterations. A restocking fee up to 15% may be applied if items are not in new condition.
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