Installation Time
(approx) 3 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
FREE 1 to 3-Day Delivery on Orders $149+ Details
B&M MegaShifter Automatic Transmission Ratchet Shifter (79-85 Mustang)Find parts that fit my vehicle
Item 439229
Our Price
$549.95 each
Military, Medical & First Responders
$27.50 Available in AM Cash Rewards.
Confirm Eligibility
Confirm Eligibility
CONFIRM THIS FITS YOUR VEHICLE!
Saved - View your saved items
We're sorry. We couldn't save this product at this time.
or use
Shop Owners Save More!
Sign up for our dealer program
Product Information
Features, Description, Q&A, Specs & Installation
Features
- 1150 CFM Rating
- Four Barrels
- Mechanical Secondaries
- Polished Aluminum Body
- Clear SP Dominator Billet Color
- All Aluminum Construction
- Designed For Drag Race, Pro Street, High Horsepower Engines
- Calibrations Optimized For Race Engines And New Fuels
- Annular Boosters For Excellent Signal And Throttle Response
- Adjustable Screw In Air Bleeds
- Tunable Billet Metering Blocks With Improved Durability
- Dual 50cc Accelerator Pumps
- Four Corner Idle System
- Clear Sight Windows For Fuel Level Adjustment
- Factory Installed Notched Float And Jet Extension
- Standard 4500 Fuel Inlet Spacing, 5/8-18 Inlet Threads
- Throttle Position Sensor Mounting Points Included
- Hand Adjustable Primary And Secondary Curb Idle Screws
- Contoured Hex Head Squirter Screws
- Progressive Secondary Link For Off The Line Launches
- Wet-Flow Tested For Performance Assurance
- Compatible With Gen 3 Dominator 4-Hole Billet Spacer
- Fits 79-85 Mustang
Description
High-Performance Carburetor. The Holley Dominator SP Carburetor is engineered to provide exceptional fuel delivery and throttle response for street/strip, bracket, and drag racing applications. It improves engine performance by utilizing advanced Gen 3 technology and larger air entries for smooth airflow and consistent operation.
Construction and Appearance. This carburetor features a fully machined all-aluminum body with a polished finish, reducing weight while enhancing durability. The billet aluminum metering block and black hardware add to its sleek, high-quality appearance designed for professional race engines.
Installation. Installation is straightforward with standard 4500 fuel inlet spacing and factory-machined TPS mounting points. No additional drilling is required, making it suitable for quick swaps and upgrades in compatible racing applications.
Warranty. Comes with a manufacturer’s limited 90-day warranty to ensure reliable performance.
Application. Fits 79-85 Mustang, engineered specifically for high horsepower and racing use in this model range. Not legal for use on emissions-controlled vehicles.
B&M 80690
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Ratchet Shifter
Tech Specs
4.6
Reviews of B&M Drivetrain Products (402)
Questions & Answers
No questions about this product yet.
Ask the First Question
