Menu

Shop

Garage

Cart

Account

Product Summary

Chevy LS V8, Muncie 4-Speed, Saginaw 4-Speed

  • 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

Key Specs

MFG. Part #91604098
BrandSpeedway Motors

Need To Know

This Product Will Ship Free

Shipping Policies & FAQs

Quick and Easy Returns

Return Policy

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, right here in the USA!! 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

Specifications

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