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Jet Mod Brake Kit
Jet Mod Brake Kit
Front and Rear Position, One Caliper Pistons, Natural, Natural, Front Caliper Included
Store Pickup Availability
Lincoln, NE -
Phoenix, AZ -
Build Your KitYou're almost there! This kit has an option or two for you to select. Let us know which options you want for your new kit.
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Front and Rear
Parking Brake Provision:
MFG. Part #:
Front Rotor Included:
Rear Rotor Included:
Front Caliper Included:
Rear Caliper Included:
Front Spindles Included:
Master Cylinder Included:
Brake Booster Included:
This kit is patterned after the setup that Johnny "The Jet" Saathoff used to drive to FOUR IMCA National Championships. Comes with everything that you'll need to set up your IMCA racers braking system.
- 7/16"-20" RH & LH Metric Calipers
- Wilwood Polymatrix D Brake Pads
- GM Caliper Slide Bolts
- GM Metric Clamp-on Caliper Bolts
- 7/16" to AN4 Banjo Fittings
- 7/16"-20 Banjo Bolts
- Lightweight Brake Line
- 3/8"-24 Female to AN4 Fitting
- 19" Brake Line w/ 90° Ends
- 26" Brake Line w/ 90° Ends
- Mini Brake Gauge Panel
- RH & LH Front Caliper Bracket
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations
What's In The Kit
Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
1978-1988 GM Midsize Metric Caliper-LH-10mm x 1.5 Inlet-5.5 MountPart # 91031047-LQty x 2
1978-1988 GM Midsize Metric Caliper-RH-10mm x 1.5 Inlet-5.5 MountPart # 91031047-RQty x 2
Wilwood 150-8936K D154 PolyMatrix BP-10 Brake Pad Set, GM MetricPart # 8358936Qty x 2
1978-UP GM Metric Clamp-On Caliper BracketPart # 91641011Qty x 2
7/16 Inch to AN4 Banjo FittingPart # 6174063Qty x 4
Steel 7/16 Inch x 20 Brake Banjo BoltPart # 6172922Qty x 4
Speedway Lightweight Nylon Racing Brake Line KitPart # 91031896Qty x 2
Straight 3/8 Inch-24 IFF to AN 4 Male AdaptersPart # 6174029Qty x 2
Stainless 19 Inch Brake Line with 90 Degree AN 4 EndPart # 91031892-4Qty x 2
Stainless 26 Inch Brake Line with 90 Degree AN 4 EndPart # 91031893-4Qty x 2
Speedway Mini Brake Pressure GaugePart # 91331804Qty x 1
GM Intermediate Spindle to Metric Caliper Bracket, Right HandPart # 91673072Qty x 1
GM Intermediate Spindle to Metric Caliper Bracket, Left HandPart # 91673071Qty x 1
Q & A
Videos & Articles
Learn how to assemble one of our bolt on nine-inch Ford disc brake kits in this step-by-step guide.
Learn how to assemble a rear axle assembly as we put together ours for the 410 Sprint Car Build. Our team of builders continues to make progress on the car!
After getting the control arms and drop spindles installed last time, we are dying to see what it looks like on the ground. Today we are working with the Speedway Deluxe Disc Brake Kit. Josh and Joe are on a roll!
Just about any classic vehicle’s drum brakes can be upgraded to the increased braking performance of a disc brake system. Our Buyer’s Guide provides an overview of disc brake benefits and what you need to succeed with your upgrade.
Follow along as Speedway Tech Kevin W. updates the brakes on his Bel Air with a modern disc brake conversion kit.
When it comes to a traditional style build on an early hot rod it just has to be rolling on a solid front axle of some sort. In this buyer's guide we take you through I-beam and round tube solid axles, spindle choices, radius rod needs, and more.
Jeff installs a Wilwood 12.19" Front Disc Brake Kit to his 1967 Chevelle. Read more on the caliper bracket assembly and brake rotor setup.