Customer Appreciation Week 2026
Customer Appreciation Week 2026
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#91029984
AFCO Tri Reverse Mount Master Cylinder Pedal Assembly Kit, 6.2:1
- This assembly combines the brake and clutch pedals together in one unit and positions the master cylinders inside the firewall and away from engine heat
- It features all aluminum frame and arm construction with steel pivots, mounting studs, and anti-skid pedal pads
- Wilwood's clevis and pivot pin balance bar provide smooth and accurate settings of the brake pedal bias
$437.99
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Product Summary
Universal Fit, Firewall Position, Single Outlet Count
- This assembly combines the brake and clutch pedals together in one unit and positions the master cylinders inside the firewall and away from engine heat
- It features all aluminum frame and arm construction with steel pivots, mounting studs, and anti-skid pedal pads
- Wilwood's clevis and pivot pin balance bar provide smooth and accurate settings of the brake pedal bias
- Can be set and locked down with the jam nut, or attached to a remote cable for quick on-track adjustments
- Features an external return spring maintains positive pedal feel, prolongs pad life
Comes as a Kit
View Kit Components
Key Specs
| MFG. Part # | 91029984 |
| Brand | Speedway Motors |
| Brake System Type | Disc |
| Reservoir Type | Integral |
Need To Know
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Return PolicySpeedway Motors 91029984 Details
Speedway Motors 91029984 Details
This Wilwood pedal/AFCO master cylinder assembly combines the brake and clutch pedals together in one unit and positions the master cylinders inside the firewall and away from engine heat. It features all aluminum frame and arm construction with steel pivots, mounting studs, and anti-skid pedal pads. Wilwoods clevis and pivot pin balance bar provide smooth and accurate settings of the brake pedal bias. It can be set and locked down with the jam nut, or attached to a remote cable for quick on-track adjustments.
Wilwood Adjustable Dual Pedal, Rev. Swing Mount - 6.25:1
Wilwood’s new Adjustable Mount Pedal assembly combines the brake and clutch pedals together in one unit and positions the master cylinders inside the firewall, away from engine heat.
- All aluminum frame
- Forged aluminum pedal arms with ladder style construction
- Adjustable pads allow fine-tuning of the pedal location and clearance.
- 6.25 to 1 pedal ratio
- Includes: mounting studs, hardware, new clevis and pivot pin balance bar assembly
AFCO Integral Reservoir Master Cylinder
AFCO engineers started with a clean sheet when they designed their new line of master cylinders. Utilizing experience from their market-leading master cylinders, AFCO's new model offers the great performance that you would expect from an AFCO product.
With one-piece design that incorporates a high-capacity reservoir and precisely machined/polished cylinder bore, the new piece makes efficient use of space and materials.
- External return spring maintains positive feel and helps prolong pad life by ensuring quick reaction to released pedal force
- Precise fitting lid held in place by a heavy gauge retainer
- Slim design rubber boot allows easy installation into most pedal assemblies
- Aluminum bore with hard anodized pistons
- Unique built-in minimum and maximum fill tabs are easy to read and make quick work of checking fluid even in dark pit areas
- Common dual-mounting bolt patterns for most racing applications
- Choose 3/4, 7/8, or 1" bore
- Designed for 1/8" NPT fittings for easy replacement
Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.
Charts
Specs
- Pedal Ratio: 6.25:1
- Pedal Length: 11.71"
- Mount Length: 12.04"
Guides & Documents
Speedway Motors 91029984 Specifications
Speedway Motors 91029984 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91029984 |
| Brand | Speedway Motors |
| Brake System Type | Disc |
| Reservoir Type | Integral |
| GENERAL | |
| Position | Firewall |
| Master Cylinder Mount Type | Reverse |
| Pedals Included | Clutch/Brake |
| Master Cylinder Count | 3 |
| Outlet Count | Single |
| Outlet Fitting | 1/8"-27 NPT |
| Master Cylinder Material | Aluminum |
| Brake Booster Included | No |
| Balance Bar | Yes |
| Sold in Quantity | Kit |
| Notes | Includes pedals and three master cylinders. |
Ratings & Reviews
4.9
7 Reviews
The product has received high acclaim for its superior quality and practical functionality, further acknowledged as ideal for racing conditions. Consumers commend its easy installation, perfect fit, and adjustment ease. A distinguishing feature mentioned is the master cylinder cover's 'bailing wire' retainer, designed for easy hand removal, a plus for reservoir access. The appealingly rugged pedal assembly stood out for its quality and stoutness. The retaining clip design for afco master cylinders has been praised as more user-friendly compared to competitor products. Encouragingly, customers confirm they've found no better price elsewhere for an equivalent kit.
Ratings & Reviews
4.9
7 Reviews
The product has received high acclaim for its superior quality and practical functionality, further acknowledged as ideal for racing conditions. Consumers commend its easy installation, perfect fit, and adjustment ease. A distinguishing feature mentioned is the master cylinder cover's 'bailing wire' retainer, designed for easy hand removal, a plus for reservoir access. The appealingly rugged pedal assembly stood out for its quality and stoutness. The retaining clip design for afco master cylinders has been praised as more user-friendly compared to competitor products. Encouragingly, customers confirm they've found no better price elsewhere for an equivalent kit.
4.9
7 reviews
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Filter by Ratings
Yes bought for racing .
4.0
4 years ago
Zuff
Greensburg pa
Verified
Racing
Would Recommend
Afco/Wilwood master cylinder/pedal assembly
5.0
4 years ago
Linne
Castalian Springs Tennessee
Verified
master cylinder cover "bailing wire" retainer is raised in center allowing easy hand removal for access to reservoir. High Quality & stout pedal assembly
Would Recommend
Great quality
5.0
5 years ago
Bradly
Cedartown, GA
Verified
Use in a dirt late model. Fit perfectly and works great.
Would Recommend
Best priced pedal kit.
5.0
7 years ago
Nick
Davenport, IA
Verified
Very nice break pedal kit. I like the afco master cylinders slightly better than the Wilwood master cylinders because the retaining clip that holds down the cap has more room for your thumb which makes it easier to push off without using a screw driver. Could not find a better price on a kit like this any where else.
Would Recommend
Great for Race Car!
5.0
8 years ago
John
Arkansas
Verified
Easy to install and adjust.
Would Recommend
Quality surpassed expectations
5.0
9 years ago
Bob
NE CT
Verified
Very happy with purchase
Would Recommend
Perfect fit
5.0
15 years ago
Del
Cedar Rapids, Iowa
Verified
Very well built
Would Recommend
Showing 7 of 7 reviews
Questions & Answers
Questions & Answers
4 Questions • 4 Answers
How deep is the assembly, from the firewall to the edge of the master cylinders? And can I specify which AFCOs come with it?
by Isaiah
• 2 years ago
1 answer
View Answer
What's the brake pedal feel? I'm thinking about using this for my 29 model a with a big block 396, it's going to be something we drive a lot, this setup would be great for me because of the tight clearances I'm going to have
by Nick lokey
• 7 years ago
1 answer
View Answer
How tall is the whole assembly? From the bottom of the pedals to the top of the reservoirs.
by KB18FAN
• 7 years ago
1 answer
View Answer
How do you determine what bore size to use.
by Dave
• 15 years ago
1 answer
View Answer
4 of 4 questions shown

