Soler Engineering Premium Modified Throttle Body 87mm (91mm Effective) (20192025 Bullitt | 20212025 Mach 1) SE-KR3E-91NE
High-Flow 91mm Effective Throttle Body for Bullitt & Mach 1 Coyote Platforms
The Soler Engineering SE-KR3E-91NE Premium Modified Throttle Body is engineered for late-model performance Mustangs, including the 20192025 Bullitt and 20212025 Mach 1. Built from brand-new OEM Ford throttle bodies and expertly ported to achieve a 91mm effective bore, this upgrade delivers sharper throttle response, improved airflow, and enhanced drivability without requiring a tune.
With optimized active contours, upstream tapering, a velocity-stack-inspired inlet, and a 16 Ra microinch diamond-polished finish, airflow is dramatically smoothened and accelerated. The result is more power potential and a cleaner, more predictable throttle feelideal for both stock and modified Coyote applications.
Features
- Optimized active contours with sonic-flow nozzle shaping
- Ported upstream taper with integrated velocity stack
- Higher discharge efficiency across the blade/plate interface
- 16 Ra microinch polished finish for reduced friction
- Shaftless high-pressure blade side for larger WOT flow area (91mm effective)
- Self-cleaning throat/flow gap reduces buildup and drag
- Thread-locked dome screws for long-term stability
- Constructed from brand-new OEM throttle bodies
Benefits
- More nimble and responsive part-throttle behavior
- Smoother throttle transitions and more consistent control
- Immediate off-idle response with stable idleno stumble
- No tuning required; safe with OEM calibration
- Additional airflow at every throttle position for improved performance
Quick Specs
- Part Number: SE-KR3E-91NE
- Nominal Bore: 87mm
- Effective Bore: 91mm
- WOT Flow: 1165 ± 20 SCFM @ 20.4" H?O
- Flow Gain: ~20% improvement over OEM (970 SCFM)
- Tuning Required: No
Fitment
Ford Mustang Bullitt
- 2019 Mustang Bullitt
- 2020 Mustang Bullitt
- 2021 Mustang Bullitt
- 2022 Mustang Bullitt
- 2023 Mustang Bullitt
- 2024 Mustang Bullitt
- 2025 Mustang Bullitt
Ford Mustang Mach 1
- 2021 Mustang Mach 1
- 2022 Mustang Mach 1
- 2023 Mustang Mach 1
- 2024 Mustang Mach 1
- 2025 Mustang Mach 1
FAQs
Is tuning required for this throttle body?
No. The 91mm effective throttle body works with stock calibration and maintains full OEM drivability, though tuning can optimize performance further.
Is this a direct replacement for the Bullitt and Mach 1 throttle bodies?
Yes. It is a direct bolt-on upgrade and replaces OEM part numbers M-9926-M50B and KR3E-9F991-AB.
Why Buy from Beefcake Racing?
Beefcake Racing offers unmatched product knowledge, fast fulfillment, and industry-best support for Soler Engineering components. Whether lightly modified or heavily upgraded, well help you choose the right throttle solution for your Mustang.
Call 1-855-827-7223 or email sales@beefcakeracing.com.
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

