1. Flywheels + Flexplates For Sale
  2. sku: 12980412041672631
  3. SPEEDWAY 91604098

SPEEDWAY MOTORS 91604098 Ls Engine Conversion Clutch Kit 4-SPEED 26-SPLINE

91604098 Speedway Motors Ls-engine 4-speed Conversion 26-spline Clutch Kit

( Brand: Speedway Motors ), ( Manufacturer Part Number: 91604098 ), ( Type: Clutch Flywheel Kits ), ( California Prop 65 Warning: False )

Review SPEEDWAY MOTORS Ls engine 4-speed Conversion 26-spline Clutch Kit

The Speedway Motors 91604098 LS-Engine 4-Speed Conversion 26-Spline Clutch Kit is a high-performance solution for those looking to install a 4-speed manual transmission in their late-model General Motors LS-engine vehicle. This clutch kit is specifically designed for use with 26-spline inputs, making it an ideal choice for those upgrading from an automatic to a manual transmission or for those building a high-performance race engine.

The heart of this clutch kit is the pressure plate and flywheel assembly. The pressure plate is a robust, one-piece design that is engineered to handle the increased power outputs commonly found in LS-engine applications. The flywheel is also designed for durability, with a heavy-duty ring gear that ensures reliable transmission engagement.

The clutch disc itself is made from high-quality organic friction material that provides excellent grip and longevity. The disc is also designed to be self-aligning, ensuring proper engagement with the pressure plate and flywheel, even under heavy loads. The kit also includes a clutch alignment tool to help ensure proper installation and alignment.

The kit also includes a clutch fork, throwout bearing, and pilot bearing, making it a complete solution for those looking to perform a 4-speed conversion in their LS-engine vehicle. All components are manufactured to OEM specifications or better, ensuring a reliable and durable installation.

Installing the clutch kit is made easier with detailed instructions and diagrams provided in the box. The kit is also compatible with a wide range of popular 4-speed transmissions, including those from Tremec and Saginaw, making it a versatile choice for many different applications.

Overall, the Speedway Motors 91604098 LS-Engine 4-Speed Conversion 26-Spline Clutch Kit is a high-quality, performance-oriented solution for those looking to upgrade their LS-engine vehicle with a manual transmission. With its robust design, excellent grip material, and compatibility with popular transmissions, it is an essential component for any serious LS-engine build.

Pros and Cons of buying a Speedway 91604098 LS-Engine 4-Speed Conversion 26-Spline Clutch Kit

1. Pros:

a) Designed for LS-Engine applications, ensuring a perfect fit and compatibility with the engine.

b) 4-speed conversion kit, suitable for those looking to upgrade their manual transmission.

c) 26-spline clutch design provides better clamping force and durability compared to traditional 6-bolt clutch designs.

d) Includes pressure plate, clutch disc, throwout bearing, and pilot bearing, making it a complete kit.

e) Suitable for high-performance applications, as the clutch kit can handle increased horsepower and torque.

2. Cons:

a) The kit may require additional parts or modifications for a complete installation, such as a flywheel or transmission adapter.

b) The cost of the clutch kit is relatively higher compared to standard 6-bolt clutch kits.

c) The installation process might be more complex due to the 26-spline design and the need for specialized tools.

Ending Conclusion:

The Speedway 91604098 LS-Engine 4-Speed Conversion 26-Spline Clutch Kit offers several advantages, including better clamping force, compatibility with LS-Engines, and suitability for high-performance applications. However, it comes with some disadvantages, such as additional requirements for installation and a higher cost compared to standard clutch kits.

Recommendation:

If you're looking for a clutch kit for your LS-Engine application that can handle high horsepower and torque, and you're willing to invest in a complete 4-speed conversion kit, then the Speedway 91604098 LS-Engine 4-Speed Conversion 26-Spline Clutch Kit is a solid choice. However, if you're on a budget or prefer a more straightforward installation process, you might want to consider a standard 6-bolt clutch kit instead.

Details:

This kit has the bell housing, clutch, flywheel, and hardware to connect LS engine an original transmission with 26-spline input shaft. Complete kit includes pressure plate, clutch disc, pilot bushing, and alignment tool. Features: OER LS 4-Speed Aluminum Bell housing. ARP Chevy Gen III/LS Flywheel Bolts.

Part # 91604098 Condition New Brand Speedway Motors Sold Kit Details Info Are you swapping in a modern LS engine but also using the classic GM 4-speed manual transmission with 26-spline input. Featuring an OER bell housing model ed after the famous 621 it is designed to bolt Gen III LS Engines. All ICT Billet metric flange bolts are custom made for us. ARP LS Pressure Plate Bolts.

Larger than stock shank diameter for increased strength and improved flywheel register. Features HD steel backed clutch disc. Large diameter, low-profile design. Made from CNC machined heavy cast aluminum, heat-treated and reinforced with extensive thick webbing, this is one of the strongest aluminum bell housings available.

Headquarters. ICT Billet Bell housing Bolts.

part #: 91604098 price

  • $1129.99

specifications flwheflepla:

  • brand: Speedway Motors
  • mpn: 91604098
  • type: Clutch Flywheel Kits
  • california prop 65 warning: False

returns flwheflepla:

  • paid by: Seller
  • policy: Returns Accepted
  • time: 30 Days

seller flwheflepla:

  • # reviews: 325445
  • rating: 99.2%
  • city: Lincoln, Nebraska

offer flwheflepla:

  • options: Ship-to-home
  • quantity: 3
  • sold: 0
  • availability: In Stock
  • started: August 5, 2025

general flwheflepla:

  • Car Truck Parts Accessories > Transmission Drivetrain > Flywheels Flexplates
  • condition: New

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  • wallet: Apple-pay
  • credit card: Mastercard
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shipping flwheflepla:

  • type: Fixed
  • service: Standard, Expedited
  • class: Standard, Expedited
  • cost: $0.00
  • transit: 6-6 Days
type: clutch flywheel kits, california prop 65 warning: false,
category: auto parts > car truck parts accessories > transmission drivetrain > flywheels flexplates, sku: 12980412041672631,
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