Speedway LS-Engine 4-Speed Conversion 26-Spline Clutch Kit
Speedway LS-Engine 4-Speed Conversion 26-Spline Clutch Kit
Speedway Motors

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#91604098

Speedway LS-Engine 4-Speed Conversion 26-Spline Clutch Kit

  • This kit has the components you need to combine a modern LS engine with a classic GM 4-speed manual transmission
  • Features an OER bellhousing modeled after the famous "621" designed to bolt to Gen III LS Engines
  • This kit has the bellhousing, clutch, flywheel, and hardware to connect the LS engine to an original transmission with 26-spline input shaft
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$1,142.99

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Product Summary

Muncie 4-Speed, Saginaw 4-Speed, 11" Clutch Diameter

  • This kit has the components you need to combine a modern LS engine with a classic GM 4-speed manual transmission
  • Features an OER bellhousing modeled after the famous "621" designed to bolt to Gen III LS Engines
  • This kit has the bellhousing, clutch, flywheel, and hardware to connect the LS engine to an original transmission with 26-spline input shaft
  • Kit includes pressure plate, clutch disc, pilot bushing, and alignment tool
  • Works with popular Tremec transmissions that also use 26 spline input shafts

Comes as a Kit

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Key Specs

MFG. Part #91604098
Input Spline Quantity26
Clutch Diameter11"
Disc StyleFull face
Hub StyleSprung
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Speedway Motors 91604098 Details

Are you swapping in a modern LS engine but also using the classic GM 4-speed manual transmission with 26-spline input? This kit has the components you need to combine the two.  Featuring an OER bellhousing modeled after the famous "621" it is designed to bolt to Gen III LS Engines.  This kit has the bellhousing, clutch, flywheel, and hardware to connect the LS engine to an original transmission with 26-spline input shaft. 

Features:

OER LS 4-Speed Aluminum Bellhousing

  • OER's bellhousing is modeled after the famous "621" and designed to bolt to Gen III LS-engines. Made from CNC machined heavy cast aluminum, heat-treated and reinforced with extensive thick webbing, this is one of the strongest cast aluminum bellhousings available.

Speedmaster 168 Tooth Billet Flywheel

  • SFI-Rated Flywheels are engineered to handle extreme duty applications and designed to take the punishment of todays high horsepower engines.
  • 168 tooth
  • SFI 1.1 certified

Speedway 11 Inch 26 Spline Clutch

  • For use in application of up to 500 HP
  • Complete kit includes pressure plate, clutch disc, pilot bushing, and alignment tool
  • Features HD steel backed clutch disc
  • Bolts directly to LS 11 inch flywheel
  • Works with popular Tremec transmissions featuring 26 spline input shafts

ICT Billet Bellhousing Bolts

  • All ICT Billet metric flange bolts are custom made for us,!! Grade 10.9, JIS head
  • 35mm length
  • 10mm x 1.5 thread size
  • 1.75 under head length

ARP Chevy Gen III/LS Flywheel Bolts

  • Exclusive, flat, 12-point head design
  • Larger than stock shank diameter for increased strength and improved flywheel register
  • Has a 200,000 psi rating
  • M11 x 1.5
  • .880" under head length

ARP LS Pressure Plate Bolts

  • Made from a premium grade chromoly, complete with washers
  • Hardened to a nominal tensile strength of 180,000 psi
  • Large diameter, low-profile design
  • 10mm x 1.5 Thread

Kit Includes:

  • (1) 91062113 OER LS 4-Speed Aluminum Bellhousing, 621 Style 
  • (1) 101330282 Speedmaster 168 Tooth Billet Flywheel
  • (1) 89004504 11 Inch 26 Spline Clutch
  • (1) 826551652 ICT Billet Bellhousing Bolts, Set of 8
  • (1) 1013302802 ARP Chevy Gen III/LS Flywheel Bolts, Set of 6
  • (1) 1011342201 ARP LS Pressure Plate Bolts, Set of 6

Speedway Motors 91604098 Specifications

KEY SPECS
MFG. Part #91604098
BrandSpeedway Motors
Input Spline Quantity26
Clutch Diameter11"
Disc StyleFull face
Hub StyleSprung
Flywheel IncludedYes
Tooth Count168-tooth
Hardware IncludedYes
GENERAL
Engine BalanceInternal/External
Pressure Plate StyleDiaphragm
Alignment Tool IncludedYes
Pilot Bushing IncludedYes
Flywheel MaterialBillet steel
Sold in QuantityKit

Questions & Answers

3 Questions • 3 Answers

Will this kit mate my LS7 to my BW super T10 4 speed?

by LS7 Josh

• 3 years ago

1 answer

View Answer

Does this work with the tko 600

by Owen

• 4 years ago

1 answer

View Answer

Does this kit fit the T5 trans in the 93 s10

by Aaron

• 4 years ago

1 answer

View Answer

3 of 3 questions shown

Fitment

  • GM LM4

  • GM LS6

  • GM LS2

  • GM LSA

  • GM LM7

  • GM LQ9

  • 6.2 Chevy LS V8

  • GM LM7

  • GM LQ9

  • 6.2 Chevy LS V8

  • GM LM7

  • GM LQ9

  • 6.2 Chevy LS V8

  • GM L76

  • GM LC9

  • GM LMG

  • GM LY5

  • GM LY5

  • GM LM7

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • GM LS1

  • GM LS3

  • GM LS1

  • GM LS1

  • GM LS6

  • GM LS2

  • GM LS3

  • GM LS4

  • GM LS4

  • 4.8 Chevy LS V8

  • GM LM7

  • 4.8 Chevy LS V8

  • GM L20

  • GM LM7

  • GM LY2

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ9

  • GM LQ4

  • GM LM7

  • GM LQ4

  • GM LQ9

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LS3

  • GM LM4

  • GM LMG

  • GM LY5

  • GM LM7

  • GM L59

  • GM LM7

  • GM LC9

  • GM LMG

  • GM LY5

  • GM LC9

  • GM LMG

  • GM LMG

  • GM LY5

  • GM LQ4

  • GM LMG

  • GM LY5

  • 4.8 Chevy LS V8

  • GM L59

  • GM LM7

  • 4.8 Chevy LS V8

  • GM LMG

  • GM LY5

  • 6.2 Chevy LS V8

  • GM LC9

  • GM LMG

  • GM LC9

  • GM LMG

  • GM LMG

  • GM LY5

  • GM LH6

  • GM LS2

  • GM LM4

  • GM LM4

  • GM LM4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM LM7

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L33

  • GM LQ4

  • GM L20

  • GM LC9

  • GM LMG

  • GM L33

  • GM L59

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • 4.8 Chevy LS V8

  • GM L20

  • GM LM7

  • GM LY2

  • GM LC9

  • GM LMG

  • GM LM7

  • GM L59

  • GM LM7

  • GM LQ4

  • GM LQ4

  • GM LQ4

  • 6.2 Chevy LS V8

  • GM LH8

  • GM LH8

  • GM LS1

  • GM LS3

  • GM LS1

  • GM LS2

Customer Impersonation Script