--- product_id: 554086087 title: "LS Swap TH350 Flexplate Adapter Kit, Compatible with 4L60E 700R4 TH400 Transmission and GM Gen III 5.3 6.0 4.8 LS1 LS2 LS6 V8 Engines, Flex Plate Adapter with Bolts & Spacer, 57534610" brand: "misakomo" price: "€ 188.49" currency: EUR in_stock: true category: "Misakomo" url: https://www.desertcart.pt/products/554086087-ls-swap-th350-flexplate-adapter-kit-compatible-with-4l60e-700r4 store_origin: PT region: Portugal --- # Includes 6 high-strength LS flexplate bolts 4mm thick cold-rolled steel Fits multiple GM LS engines & transmissions LS Swap TH350 Flexplate Adapter Kit, Compatible with 4L60E 700R4 TH400 Transmission and GM Gen III 5.3 6.0 4.8 LS1 LS2 LS6 V8 Engines, Flex Plate Adapter with Bolts & Spacer, 57534610 **Brand:** misakomo **Price:** € 188.49 **Availability:** ✅ In Stock ## Summary > ⚡ Power your LS swap with precision and durability — don’t get left behind! ## Quick Answers - **What is this?** LS Swap TH350 Flexplate Adapter Kit, Compatible with 4L60E 700R4 TH400 Transmission and GM Gen III 5.3 6.0 4.8 LS1 LS2 LS6 V8 Engines, Flex Plate Adapter with Bolts & Spacer, 57534610 by misakomo - **How much does it cost?** € 188.49 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/554086087-ls-swap-th350-flexplate-adapter-kit-compatible-with-4l60e-700r4) ## Best For - misakomo enthusiasts ## Why This Product - Trusted misakomo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Cost-Effective Swap:** Utilizes your factory LS starter to slash conversion costs without compromising performance or reliability. - • **Precision Engineering:** 12-point head bolts rated at 200,000 psi and robotic cold-welding technology deliver rock-solid fitment and long-lasting strength. - • **Built for Extreme Duty:** Cold-rolled 4mm thick steel flexplate with double-welded ring gear ensures unmatched durability under high RPM stress. - • **Seamless Compatibility:** Works flawlessly with 10.75" & 11.1" torque converter bolt patterns across a wide range of GM Gen III LS engines and early GM automatics. - • **Complete Kit Convenience:** Includes flexplate, bolts, torque converter adapter sleeve, and bolt kit—everything you need for a smooth Gen III LS swap. ## Overview The LS Swap TH350 Flexplate Adapter Kit by Misakomo is a premium-grade, cold-rolled steel adapter designed for Gen III LS engine swaps onto early GM automatic transmissions like TH350, 700R4, and 4L60. Featuring a thicker 4mm flexplate with double-welded ring gear and a complete bolt and adapter sleeve kit, it ensures reliable, cost-effective integration with factory LS starters and a broad range of GM engines from 1997-2009. Engineered for high RPM durability and seamless fitment, this kit is a must-have for professional-grade LS conversions. ## Description FunctionMake your Gen III LS swap a breeze with this complete adapter kit for early GM automatic transmissions. These flexplate adapters are engineered to handle extreme duty applications and are designed to take the demands of high horsepower Gen III engines, providing added durability and reliability.High qualityThe 4mm thick Flex plate is constructed from cold-rolled premium steel (that's 0.035" thicker than stock), and ring gears are double welded, utilizing robotic cold-welding processes to prevent separation in high-RPM engines, it offers long-lasting strength and resilience.Fitment:For 1997-2007 GM Gen III LS1/LS6 V8 engines (up to 2009 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 power glide transmissions that originally came behind a non-LS engine (such as an SBC or BBC V8).NoteMay 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 includes:1pc x Trans Adapter FlexplateGM LS Gen II to early GM 3/4 speed automaticForged 1-piece steel ring gear w/ 168 toothWorks with stock LS starter motor6pc x LS Flexplate Bolts12-point head design Has a 200,000 psi ratingM11 x 1.51pc x LS Crankshaft Sleeve AdapterOverall Height: 1.04"Inside Diameter: 1.47"Diameter Small End: 1.70"Diameter Big End: 2.00"Material Type: Steel1pc x Torque Converter Bolt KitUnder Head Length: 1.25"Thread Pitch: 7/16"-20Wrench Type: 12 Point ## Features - 【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 that originally came behind a non-LS engine (such as a SBC or BBC V8). - 【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. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C8JC92Q3 | | Best Sellers Rank | #80,375 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Replacement Flexplates | | Brand | Misakomo | | Customer Reviews | 3.7 3.7 out of 5 stars (93) | | Date First Available | June 19, 2023 | | Exterior | Metallic Finish | | Item Weight | 7.83 pounds | | Item model number | GJ64 | | Manufacturer | Misakomo | | Manufacturer Part Number | GJ64 | | Product Dimensions | 14.57 x 14.57 x 1.18 inches | ## Images ![LS Swap TH350 Flexplate Adapter Kit, Compatible with 4L60E 700R4 TH400 Transmission and GM Gen III 5.3 6.0 4.8 LS1 LS2 LS6 V8 Engines, Flex Plate Adapter with Bolts & Spacer, 57534610 - Image 1](https://m.media-amazon.com/images/I/81-azwKZeGL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/554086087-ls-swap-th350-flexplate-adapter-kit-compatible-with-4l60e-700r4](https://www.desertcart.pt/products/554086087-ls-swap-th350-flexplate-adapter-kit-compatible-with-4l60e-700r4) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-08-31*