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- Street/Strip Automatic Transmission
- GM TH350 (2WD)
- 450 Max Horsepower/400 lb. ft. Torque
- 6" Tailshaft
- 7" Separation On Top Bellhousing Bolts
- 2:52 1st gear ratio
- 1:52 2nd gear ratio
- Extra wide direct drum bushing
- Machined forward and direct pistons
- New kickdown band with welded anchors
- New intermediate and low roller clutches
- All new B&M high performance friction plates, Thrust bearings and races
- Adjustable modulator
- Detent control link with new breather and filter
- Recalibrated valve body
- Hardened intermediate outer race and dual piston apply feature on 2-3 shift to increase torque capacity
- Forward Pattern
B&M Street/Strip Automatic Transmission - Chevrolet TH350.
- High Performance Replacement Transmission
- Re-calibrated High Performance Valve Body
- Forward Standard Shift Pattern
- Performance Friction Materials
Quality Shifts Every Time
B&M complete, ready-to-run automatic Street/Strip Transmissions provide you with firm shifts and are designed for high-performance street and mild strip use. These race-proven transmissions retain a standard shift pattern, and contain upgraded components and rebuilding tricks that make them one of the best transmissions available for Street/Strip use. B&M also offers transmission packages that come complete with everything needed to install your new transmission.
Note: Speedometer drive gear and torque converter not included.
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The B&M Street/Strip Automatic Transmissions are engineered for enthusiasts who demand reliable power transfer on the street and consistent performance at the track. Designed to handle elevated horsepower and torque capacity, these performance automatic transmissions are built with upgraded internal components and precision calibration to support aggressive driving conditions. Whether you’re launching hard at the drag strip or cruising a high-horsepower muscle car on the weekend, B&M Street/Strip Automatic Transmissions provide the durability and shift performance serious builders expect.
Factory transmissions often struggle when paired with upgraded engines, larger tires, or performance gearing. A purpose-built street/strip transmission ensures improved shift firmness, reduced slippage, and enhanced drivetrain reliability under load. For enthusiasts pushing small block, big block, or stroker combinations, reinforcing the transmission is a critical step in protecting overall vehicle performance.
Performance Benefits & Key Features
B&M Street/Strip Automatic Transmissions are designed with strengthened clutch packs, reinforced bands, upgraded valve bodies, and improved fluid flow management. Performance enthusiasts typically evaluate transmissions based on torque capacity ratings, shift quality, and compatibility with high-stall torque converters. These transmissions are engineered to deliver crisp, positive shifts that improve acceleration and reduce heat buildup during hard launches.
Enhanced internal components help manage the stress generated by high-horsepower engines, making them suitable for street performance builds and bracket racing applications. Improved shift calibration supports faster gear changes, while durable construction enhances long-term reliability in demanding conditions.
These automatic transmissions are ideal for muscle cars, street rods, pro-street builds, and performance trucks seeking dependable performance in both daily driving and competitive environments. They provide a balanced solution for drivers who want the convenience of an automatic with race-ready strength.
Fitment, Compatibility & Applications
B&M Street/Strip Automatic Transmissions are available for a range of GM, Ford, and Mopar platforms, depending on configuration. Popular applications include Chevrolet Camaro, Chevelle, Nova, Ford Mustang, Dodge Challenger, and performance-oriented classic trucks equipped with compatible automatic transmission setups.
Proper fitment ensures compatibility with existing engine configurations, driveshafts, and crossmembers. These transmissions integrate seamlessly into street/strip builds that demand increased drivetrain durability without sacrificing drivability.
If you’re ready to upgrade your drivetrain for reliable street and strip performance, explore the B&M Street/Strip Automatic Transmissions at JEGS and equip your build with a transmission engineered for strength, precision, and serious performance.
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