Product Summary

Muncie 4-Speed, Saginaw 3-Speed, Saginaw 4-Speed, T10

  • Be able to race with confidence while using our GM lightweight 10.5" organic clutch kit, perfect for Hobby or Street Stock racing
  • Features a lightweight Chevy 153 tooth flywheel, 10.5" pressure plate, 10.5" metallic clutch disc, and ARP flywheel bolt & pressure plate bolt sets
  • Also includes the 1-1/8"-10 spline clutch alignment tool and Chevy V8 extra-long bronze pilot bushing
  • The lightweight flywheel weighs a total of 16.8 lbs. and the pressure plate weighs 13.4 lbs.
  • Must be used with performance type disc with 8 springs or using flywheel bolts like ARP or Mr. Gasket to accept a 5 or 6 spring clutch

Comes as a Kit

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Key Specs

MFG. Part #91025052
Input Spline Quantity10
Input Shaft Diameter1.125"
Clutch Diameter10.5"
Friction MaterialMetallic
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Speedway Motors 91025052 Details

These 10-1/2" racing clutch discs for GM applications are the perfect choice for Hobby or Street Stock racing. Organic solid hubs. Fits 1-1/8" 10-spline shaft. 

Speedway developed the 10-1/2" clutch pressure plates for sportsman circle-track racers. Includes a lightweight, stock-appearing pressure plate that features a ductile iron pressure ring. Can be used with solid or sprung hub clutch discs with organic or ceramic friction surfaces.

Kit Includes:

  • (1) Chevy lightweight steel flywheel, 153 tooth, 2-piece main
  • (1) 10-1/2 inch pressure plate
  • (1) 10-1/2 inch metallic clutch disc, solid hub, 1-1/8 10-spline
  • (1) ARP hevy flywheel bolts set
    • Overall Length: 1.25"
    • Under Head Length: 1.00"
    • Thread Pitch: 7/16
    • Wrench Type: 12 Point
    • Set of 6 flywheel bolts
  • (1) ARP chevy pressure plate bolts set
    • Overall Length: 1.25"
    • Under Head Length: 1.00"
    • Thread Pitch: 3/8"-16
    • Wrench Type: 9/16" Hex
    • Set of 6 pressure plate bolts
  • (1) Clutch alignment tool, 1-1/8 inch 10-spline
  • (1) SBC/BBC Chevy V8 extra-long bronze pilot bushing
    • Inside Diameter: .582"
    • Outside Diameter: 1.09"
    • Overall Length: 1.012"
    • Flange Width: .261"
    • Flange Diameter: 1.26"

Speedway Motors 91025052 Specifications

KEY SPECS
MFG. Part #91025052
BrandSpeedway Motors
Input Spline Quantity10
Input Shaft Diameter1.125"
Clutch Diameter10.5"
Friction MaterialMetallic
Disc Style6-Paddle
Hub StyleSolid
Flywheel IncludedYes
Tooth Count153-tooth
GENERAL
Rear Main Seal Style2-piece
Engine BalanceInternal
Pressure Plate StyleDiaphragm
Throwout Bearing IncludedNo
Alignment Tool IncludedYes
Pilot Bushing TypeSolid
Pilot Bushing IncludedYes
Flywheel MaterialSteel
Sold in QuantityKit

Ratings & Reviews

4.7

3 Reviews

Overall Assessment

Customers highly regard the product for its quality parts and practical usability, particularly in short track dirt cars and sports mods. The kit's main features, although not complete, impress users due to the inclusion of a superior flywheel. However, as a separate part, the through-out bearing has to be purchased separately, which customers regard as an exquisite but additional expense. Despite this, customers would rebuy this product, indicating satisfied performance and approval of its value compared to competing products.

4.7

3 reviews

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FANTASTIC!!!!

5.0

4 months ago

Midwest Racer

Branson, Mo

Verified

I use this setup in my Midwest mod paired to a saginaw 3 speed, it keeps this car flying sideways around the track and holds up to a beating.

Would Recommend

I would buy this product again

4.0

4 years ago

Rusty 11x

Royal Center Indiana

Verified

Short track dirt car

Would Recommend

Seems to be quality parts but not a complete kit

5.0

5 years ago

Twisted rooster racing

Waxahachie texas

Verified

Going to be running it in a sport mod my son's first car bought a rolling chassis it was set up for a standard so we're going to run a standard the kit looks to be awesome but had to purchase a through out bearing separate most clutch kits come with one but I needed the flywheel so I'm happy with it bought a hays racing bearing for it so I'm good to go only 62 dollars

Would Recommend

Showing 3 of 3 reviews

Questions & Answers

1 Question • 1 Answer

What is the clamping pressure?

by KT

• 3 years ago

1 answer

1 of 1 questions shown

Customer Impersonation Script