Chevy Hydraulic Throwout Bearing Install Kit, GM Release Bearing

Description

Complete hydraulic throwout bearing and hose kit for stock-style 3-speed and 4-speed Chevy clutches only, Includes a Speedway GM Stock Clutch Hydraulic Throwout Bearing, Bleeder Screw Assembly, 1/8" NPT adapter fitting, and AN4 Braided Stainless 12" Line, Bearing typically used with all OEM & OEM replacement clutches, Muncie 4-spds, Saginaw 3 & 4-spds, Borg-Warner 4-spds, Jerico 2 & 4-spds, Comes with detailed instructions for a painless installation, Will not work with Ram Couplers or mini clutches because of limited extension on our hydraulic throwout bearing, .688" travel
Chevy Hydraulic Throwout Bearing Install Kit, GM Release Bearing
Sku # 91605004
Mfr. Part # 91605004
Condition
New
Brand
Speedway Motors
Sold
Kit
Details
Notes
Read more about bleeding brakes in our tech article, How To Bleed Your Brake Lines.
Learn more about hydraulic release bearings and how to properly install them by reading our tech article. How to Install a Hydraulic Throwout Bearing.
Info
Simple installation upgrades your GM transmission to hydraulic clutch release
Built-in fail-safe retainer prevents over-extension of the hydraulic release bearing
Works with OEM-style diaphragm clutches for 3- and 4-speed GM transmissions
Works with aftermarket GM-spec Tremec TKO-500 and 600 5-speeds
Complete kit features hydraulic release bearing, anti-rotation studs, air gap shims, hydraulic line, and bleeder fitting with adapter
Lower pedal effort compared to stock-type mechanical clutch linkage
Low-profile design fits behind aftermarket clutch pressure plates that are thicker
3/4-inch bore master cylinder recommended for most applications
Speedway Motors engineered product offers high quality at an incredible value
Hydraulic Clutch Actuation for your Classic Muscle Car, Hot Rod, or Race Car
For many enthusiasts, building a hot rod means it has to have three pedals and not two. A manual transmission is a MUST in their build. We certainly enjoy rowing through the gears ourselves and nothing makes that easier than a hydraulic clutch release bearing (or “throwout bearing” as some still call it). If you buy a new vehicle with a manual transmission today it will come with a hydraulic release bearing setup and that is for two primary reasons, pedal effort and packaging. These same two reasons are exactly why you should consider a Speedway Motors hydraulic release bearing kit for your manual transmission install. No longer do you have contemplate using bulky factory clutch release linkages that bind or take up valuable header and exhaust space and that require constant adjustment and maintenance, nor do you have to live with a heavy clutch pedal that has you reconsidering driving your pride and joy in any traffic. Using a hydraulic release bearing solves all these issues yet is easy to setup when installing your transmission.
Everything You Need in an Easy to Install Kit
Speedway Motors’ hydraulic release bearing kit provides everything you need to ditch your stock, tired mechanical linkage and go hydraulic at a great value. The kit features a new and improved release bearing designed by Speedway Motors’ Engineering Team with a CNC-machined housing, extended fluid line fittings, and a built-in fail-safe retainer. There is simply no way to over-extend this release bearing with this retainer design. Typically over-extending the release bearing means pulling the transmission and reassembling the separated bearing (not to mention cleaning up all that hydraulic fluid in the bellhousing!). Also included are a sufficient number of release bearing shims to correctly set your air gap between the bearing face and clutch, as well as both 5/16- and ?-inch anti-rotation studs to fit a wide variety of GM manual transmission applications. This kit also features our braided bleeder line with adapter for outside the bellhousing clutch bleeding.
Fits a Wide Variety of Popular GM Transmissions
This hydraulic bearing kit will fit most Chevrolet, BOP, and GMC manual three- and four-speed transmissions, such as the Muncie family of four-speeds, Borg Warner T10 and Super T10 four-speeds, Saginaw three- and four-speeds, and even the GM-spec Tremec TKO-500 and 600 five-speeds when using a stock-style 10½- or 11-inch diaphragm clutch. Essentially any GM transmission with a 1?-inch OD bearing collar. The Speedway Motors hydraulic release bearing ships setup with AN -4 fluid line adapters along with a 12-inch bleeder line and a standard ¼-28 thread bleeder screw for easy external bleeding. Most applications will work exceptionally well with a ¾-inch bore master cylinder, such as Speedway Motors PN 91025680. Your hot rod may be a vintage time piece, but that does not mean your drivetrain has to be as well. Step into the 21st century with a Speedway Motors hydraulic clutch release bearing kit and your left calf muscle will thank you!
Kit Includes:
(1) Speedway GM Stock Clutch Hydraulic Throwout Bearing
(1) Wilwood Bleeder Screw Assembly
(1) Speedway Gauge Fitting, Straight AN4 Male, 1/8 Inch NPT Female
(1) Speedway Braided Stainless 12 Inch Brake Line
Speedway GM Stock Clutch Hydraulic Throwout Bearing
Works with all OEM and OEM replacement 10-1/2- and 11-inch diaphragm clutches; Jerico 2-speeds; Saginaw 3-speeds; Muncie M20, M21, and M22 "Rock Crusher" 4-speeds; Muncie SM420 and SM465 truck 4-speeds; Saginaw 4-speeds; Borg-Warner T10 and Super T10 4-speeds; Jerico 4-speeds; GM-spec Tremec TKO-500 and TKO-600 5-speeds
Compressed Length: 1.71"
Extended Length: 2.39"
Inside Diameter: 1.375"
Outside Diameter: 2.875"
Outlet Fitting: -4 AN
Travel: .68"
Notes: Will not work with RAM couplers, Ford or Long-style pressure plates, and may not work with racing style clutches because of limited extension on our hydraulic throw out bearings
Wilwood Bleeder Screw Assembly
This bleeder is designed with an 1/8-inch NPT thread and is used with the below fitting and braided line to create an external clutch bleeder
Fitting End A: 1/8" NPT
Material Type: Brass
Finish: Natural
Speedway Gauge Fitting, Straight AN4 Male, 1/8 Inch NPT Female
We include this female 1/8-inch NPT to AN4 straight fitting to connect the bleeder screw to the braided fluid line
AN Size: -4 AN
Angle: Straight
Fitting End A: -4 AN Male
Fitting End B: 1/8" NPT Female
Speedway Braided Stainless 12 Inch Brake Line
Braided stainless covering over a Teflon inner liner. These are perfect for brake lines, clutch lines and gauge lines. These have straight AN4 fittings on both ends.
Brake Hose Size: -4 AN
Brake Hose Length: 12"
Brake Hose Fitting Size: -4 AN Female
Brake Hose Fitting Angle: Straight
Brake Hose Material: Teflon | Stainless Braid
Overall Length: 12"
Fitting End A: -4 AN Female
Fitting End B: -4 AN Female
Charts
(PDF)
Specs
Sold in Quantity
Kit
Outlet Fitting
-4 AN
Hardware Included
Yes
Inside Diameter
1.375
Outside Diameter
2.875
Inlet Fitting
-4 AN
Travel
0.68
Compressed Length
1.710
Extended Length
2.390
MFG. Part #
91605004
Throwout Bearing Style
Hydraulic
Reviews
Would highly recommend
Rated
by Frank on July 23, 2021
Summary:
Great up grade for older car!
Yes, I recommend this product.
Yes I would buy again
Rated
by Tim Murray on December 22, 2020
Summary:
Great for my race car
Yes, I recommend this product.
Perfect fit on 4 speed Muncie
Rated
by Vic on December 13, 2020
Summary:
Fit perfect on a 4 speed Muncie, I would recommend buying the external remote bleeder kit however.
Yes, I recommend this product.
Looks like a solid unit.
Rated
by Jay T. on June 09, 2020
Summary:
Good description. The part is what it says it is. I suspect it will work perfectly for my T5 swap application in my C10.
Item is as advertised. Would but again. Quick shipping.
Rated
by AB on May 20, 2020
Summary:
Nice product.
Yes, I recommend this product.
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 69 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
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