Description
Ford Performance Tremec M-7003-M6266 Overview
The Ford Performance Parts Tremec 6-Speed Transmission M-7003-M6266 is part of the Ford Performance Parts Tremec 6-Speed Transmissions product line and is designed for builders who need a strong, modern 6-speed manual transmission capable of handling serious performance use.
This transmission is listed under Manufacturer’s Part Number M-7003-M6266, Summit Racing Part Number FMS-M-7003-M6266, and UPC 756122224403. It is sold individually and does not include the bellhousing, does not include the yoke, and does not include the shifter.
Built around the proven T56 Magnum transmission platform, this Ford Performance unit is engineered to withstand demanding street and strip conditions while still offering quick, precise shifts throughout the rev range.
The transmission is rated for 700 ft-lbs of torque, making it suitable for high-output Ford performance builds, hot rods, drag cars, restomod projects, and upgraded street machines when matched with the correct clutch, bellhousing, driveshaft, yoke, mount, and supporting components.
Vehicle Fitment and Common Applications
The Ford Performance Tremec M-7003-M6266 6-speed transmission is intended for compatible performance builds where a strong manual transmission with T56 Magnum-style strength and double-overdrive drivability is required.
Common applications include Ford performance vehicles, drag cars, hot rods, street/strip builds, restomod projects, custom manual swaps, and upgraded drivetrain combinations where 700 ft-lbs torque capacity is needed.
Fitment should be verified by checking the vehicle platform, engine, bellhousing requirements, clutch disc spline count, flywheel, pilot bearing, hydraulic or mechanical clutch setup, transmission mount, crossmember location, tunnel clearance, driveshaft length, output yoke, shifter mounting position, speedometer requirements, and intended torque level.
Because this transmission does not include a bellhousing, does not include a yoke, and does not include a shifter, buyers should plan the full drivetrain package before ordering.
The built-in provisions for both electronic and mechanical speedometers add valuable flexibility for classic builds, modern swaps, and custom performance vehicles.
6-Speed Double Overdrive Performance
The Ford Performance Parts Tremec 6-Speed Transmission M-7003-M6266 gives builders six forward gears with a performance-focused ratio spread and two overdrive gears for improved cruising.
| Gear | Ratio |
|---|---|
| First Gear | 2.66:1 |
| Second Gear | 1.78:1 |
| Third Gear | 1.30:1 |
| Fourth Gear | 1.00:1 |
| Fifth Gear | 0.80:1 |
| Sixth Gear | 0.63:1 |
The 2.66 first gear ratio provides a strong performance launch ratio for compatible builds, while the 0.80 fifth gear and 0.63 sixth gear provide double-overdrive capability for lower highway cruising RPM.
This ratio set is useful for vehicles that need strong acceleration, close gear spacing, and improved drivability at cruising speeds. For street/strip cars, hot rods, and pro-touring vehicles, this balance of acceleration and overdrive makes the transmission practical for both performance driving and regular use.
Torque Capacity and Hardened Internals
The Ford Performance Tremec M-7003-M6266 is rated for 700 ft-lbs of torque, giving it the strength needed for serious performance combinations.
The supplied product details state that these transmissions include hardened internals designed to withstand the abuse of street or strip driving. This makes the unit a strong option for builders who want a manual transmission that can handle high-output engines while still delivering clean gear engagement.
The T56 Magnum transmission platform is known for strength, versatility, and precise shifting. In this Ford Performance version, the transmission provides the durability expected for drag cars, hot rods, restomods, high-power street vehicles, and upgraded drivetrains.
For builders moving beyond older manual transmissions or weaker factory gearboxes, this Ford Performance Tremec 6-speed offers a strong modern upgrade path.
Shifter Mounting and Speedometer Flexibility
A major advantage of this transmission is versatility. The supplied description states that it comes with multiple shifter mounting options, giving builders more flexibility when matching the transmission to different chassis, consoles, seating positions, and tunnel layouts.
This matters in custom builds because shifter location can affect driver comfort, console alignment, interior fitment, and installation quality.
The transmission also includes provisions for both electronic and mechanical speedometers. This is especially useful for hot rods, classic Ford builds, custom swaps, and performance vehicles where speedometer requirements can vary.
Because the shifter is not included, buyers should select the correct shifter separately based on the final mounting position and vehicle layout.
Input, Output, and Driveline Details
The Ford Performance Parts Tremec 6-Speed Transmission M-7003-M6266 uses a 26-spline input and 31-spline output.
The 26-spline input means buyers should choose a compatible clutch disc. The 31-spline output means the correct output yoke and driveshaft setup must be selected separately.
The transmission does not include a yoke, so buyers should confirm slip yoke compatibility, driveshaft length, rear axle setup, transmission mount location, and crossmember position before installation.
The transmission also does not include a bellhousing, so the correct bellhousing must be selected based on the engine, clutch system, input shaft depth, starter placement, and chassis layout.
These details are critical for successful installation and should be verified before ordering.
Included and Not Included Components
The Ford Performance Tremec 6-Speed Transmission M-7003-M6266 is sold individually as a transmission assembly.
The supplied specifications state:
| Component | Included |
| Transmission Assembly | Yes |
| Bellhousing | No |
| Yoke | No |
| Shifter | No |
Because the bellhousing, yoke, and shifter are not included, buyers should plan the complete installation package before ordering.
Additional parts may include a compatible bellhousing, clutch kit, 26-spline clutch disc, flywheel, pilot bearing, hydraulic release bearing or clutch linkage, transmission mount, crossmember, driveshaft, 31-spline yoke, shifter, speedometer components, reverse-light wiring, fluid, and installation hardware.
This transmission is listed as remanufactured: no, meaning it is not a rebuilt used unit.
Key Benefits for Performance Builders
The Ford Performance Parts Tremec 6-Speed Transmission M-7003-M6266 gives builders a strong modern manual transmission for demanding performance applications.
The first major benefit is strength. With 700 ft-lbs torque capacity and hardened internals, this transmission is built for high-output street and strip use.
The second benefit is drivability. The 6-speed layout and double-overdrive gearing help support both strong acceleration and more relaxed cruising.
The third benefit is versatility. Multiple shifter mounting options and provisions for both electronic and mechanical speedometers make this transmission useful in a wide variety of performance builds.
The fourth benefit is Ford Performance credibility. This product is built for builders who want a performance-grade transmission solution with strong engineering and proven Tremec architecture.
Who This Transmission Is Best For
The Ford Performance Tremec M-7003-M6266 6-speed transmission is best for builders who need a strong manual transmission for compatible high-performance Ford projects, hot rods, drag cars, restomods, street/strip vehicles, and custom drivetrain builds.
It is a strong choice for buyers who need 700 ft-lbs torque capacity, 26-spline input, 31-spline output, 2.66 first gear, 0.63 sixth gear, double overdrive, aluminum case construction, and speedometer flexibility.
This transmission is especially useful for builds where quick, precise shifts and torque capacity are both priorities.
It is not intended for buyers who need a complete conversion package with bellhousing, yoke, shifter, clutch, flywheel, driveshaft, crossmember, mount, linkage, fluid, or installation hardware included. Those components must be selected separately based on the vehicle and drivetrain setup.
Technical Details and Included Specifications
The Ford Performance Parts Tremec 6-Speed Transmission M-7003-M6266 is a 6-speed manual transmission with strong torque capacity, double-overdrive gearing, and versatile speedometer support.
| Specification | Details |
| Product Type | Manual transmission |
| Brand | Ford Performance Parts |
| Product Line | Ford Performance Parts Tremec 6-Speed Transmissions |
| Manufacturer Part Number | M-7003-M6266 |
| Summit Racing Part Number | FMS-M-7003-M6266 |
| UPC | 756122224403 |
| Transmission Platform | T56 Magnum-style 6-speed |
| Number of Gears | 6 |
| Torque Capacity | 700 ft-lbs |
| Input Spline Quantity | 26 |
| Output Shaft Spline Quantity | 31 |
| Bellhousing Included | No |
| Yoke Included | No |
| Shifter Included | No |
| First Gear Ratio | 2.66:1 |
| Second Gear Ratio | 1.78:1 |
| Third Gear Ratio | 1.30:1 |
| Fourth Gear Ratio | 1.00:1 |
| Fifth Gear Ratio | 0.80:1 |
| Sixth Gear Ratio | 0.63:1 |
| Case Material | Aluminum |
| Speedometer Provisions | Electronic and mechanical speedometers |
| Shifter Mounting | Multiple shifter mounting options |
| Remanufactured | No |
| Quantity | Sold individually |
| Intended Use | Street, strip, hot rod, drag car, restomod, and performance drivetrain builds |
Fitment Support and Ordering Notes
Before ordering the Ford Performance Tremec M-7003-M6266, buyers should confirm vehicle fitment and all supporting components. Important details include engine platform, bellhousing selection, clutch disc spline count, flywheel, pilot bearing, clutch release system, output yoke, driveshaft length, transmission mount, crossmember, tunnel clearance, shifter mounting position, speedometer setup, reverse-light wiring, fluid requirements, and intended torque level.
This transmission does not include the bellhousing, does not include the yoke, and does not include the shifter. Buyers should also confirm whether additional installation parts are needed, including clutch kit, hydraulic release bearing, mechanical linkage, pilot bearing, flywheel, mount, crossmember, driveshaft, yoke, speedometer parts, fluid, and hardware.
Customers can also compare this product with other Ford Performance transmissions, Tremec 6-speed transmissions, T56 Magnum transmissions, compatible bellhousings, clutch kits, flywheels, shifters, yokes, driveshaft components, mounts, and installation hardware when planning a complete drivetrain build.
Frequently Asked Questions
What is the Ford Performance M-7003-M6266 transmission designed for?
The Ford Performance Parts Tremec M-7003-M6266 is designed for compatible street, strip, hot rod, drag car, restomod, and performance builds that need a strong 6-speed manual transmission.
What torque capacity does this transmission have?
This transmission is rated for 700 ft-lbs of torque, making it suitable for serious performance applications when paired with the correct clutch, bellhousing, driveshaft, mount, and supporting components.
Does this transmission include a bellhousing?
No. The bellhousing is not included. Buyers must select the correct bellhousing for the engine, clutch system, chassis, and installation requirements.
Does this transmission include a shifter or yoke?
No. The shifter is not included, and the yoke is not included. Buyers should choose compatible components separately based on the final vehicle setup.
What are the gear ratios?
The gear ratios are 2.66 first, 1.78 second, 1.30 third, 1.00 fourth, 0.80 fifth, and 0.63 sixth. The fifth and sixth gears provide double-overdrive capability.
Does this transmission support electronic and mechanical speedometers?
Yes. The supplied notes state that this transmission includes provisions for both electronic and mechanical speedometers, making it versatile for classic and modern performance builds.
Is this transmission remanufactured?
No. The supplied specification states Remanufactured: No. This is a Ford Performance Parts Tremec 6-speed manual transmission sold individually.


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