B&M Street and Strip Transmissions 117308

Description

B&M Street and Strip Transmissions 117308 – Professional Overview

B&M Street and Strip Transmissions 117308 belongs to B&M’s range of remanufactured automatic transmissions developed for demanding street and performance applications. This unit combines the practicality of a 4-speed automatic with upgraded internal components intended to provide consistent operation under street, cruising, and racing conditions.

The transmission uses a Chevy bellhousing bolt pattern and features a forward shift pattern with an automatic valve body. Its 4-speed configuration provides a 3.06 first gear ratio, giving the transmission a useful combination of launch characteristics and gear progression for compatible applications.

B&M focuses on rebuilding these Street and Strip units rather than simply returning worn components to service. The process includes new gaskets, bushings, seals, thrust washers, and high-performance friction materials. The front pump is rebuilt to B&M specifications, while the valve body is recalibrated for performance-oriented operation.

For buyers looking for a replacement transmission with a stronger focus on performance than a basic stock replacement, this configuration provides a practical balance between everyday drivability and street-and-strip capability.

Compatibility, Applications, and Technical Context

The B&M Street and Strip Transmissions 117308 uses a Chevy bellhousing bolt pattern, making proper application and vehicle compatibility essential before purchase. It is designed around a 4-speed automatic configuration and uses a slip-on yoke with a 7.500-inch tailshaft length.

The transmission is lockup compatible, which is an important consideration for applications designed to use lockup functionality. It also uses a 30-spline input and a hardened steel input shaft, providing important specifications for evaluating drivetrain compatibility.

This unit has a 3.06 first gear ratio and an automatic valve body. The forward shift pattern is suited to conventional automatic transmission operation rather than a full-manual racing configuration.

The transmission is supplied as an individual unit. The torque converter, flexplate, transmission controller, wiring harness, cooler, fluid, and dipstick are not included according to the supplied product specifications. Buyers should therefore verify which supporting components are already available in their vehicle and which components may need to be sourced separately.

Construction, Components, and Performance

B&M Street and Strip Transmissions 117308 is remanufactured using a combination of replacement and performance-oriented components. The supplied information identifies new gaskets, bushings, seals, thrust washers, and high-performance friction materials as part of the rebuild.

The transmission also incorporates a hardened steel input shaft, supporting the performance-oriented construction of the unit. Its aluminum OEM-style case keeps the transmission within a familiar production-based architecture while the black finish provides its finished appearance.

B&M also rebuilds the front pump to its specifications and recalibrates the valve body. These areas are important because hydraulic pressure, fluid control, and shift operation play a central role in automatic transmission performance.

The transmission uses a stock-style steel pan with a natural finish. It does not have a built-in transmission shield or flexplate shield.

B&M states that its Street and Strip transmissions are built for extreme conditions and are suitable for replacement, cruising, and racing. This makes the unit relevant to owners who want more than a basic replacement transmission without necessarily moving to a dedicated full-manual competition transmission.

Why This Transmission Is a Strong Choice

Choosing a replacement automatic transmission involves more than matching the number of gears. Buyers need to consider bellhousing pattern, input spline count, tailshaft dimensions, first gear ratio, valve body configuration, lockup compatibility, and the components included with the unit.

B&M Street and Strip Transmissions 117308 brings these specifications together in a performance-oriented 4-speed package. Its 3.06 first gear ratio provides a useful starting ratio, while the 30-spline input and hardened steel input shaft provide important drivetrain specifications for compatible Chevrolet applications.

The automatic valve body also makes this transmission suitable for buyers who want conventional automatic operation rather than a dedicated full-manual setup. At the same time, the B&M rebuild process incorporates high-performance friction materials and a recalibrated valve body.

Another important advantage is transparency. The unit is sold individually, so buyers can clearly identify which components are part of the transmission itself and which supporting parts are not included.

Who This Transmission Is Best For

B&M Street and Strip Transmissions 117308 is best suited to buyers who need a remanufactured Chevy automatic transmission for a compatible rear-wheel-drive application and want a performance-oriented replacement.

It can be a strong consideration for:

• Street-driven Chevrolet vehicles requiring a replacement automatic transmission
• Owners building street-and-strip vehicles
• Enthusiasts who want a transmission suitable for cruising and performance driving
• Buyers replacing a worn automatic transmission
• Applications that require a 4-speed automatic with lockup compatibility
• Builders looking for a B&M remanufactured transmission with upgraded internal components

It is less appropriate for applications requiring a different bellhousing pattern, 4WD configuration, a full-manual valve body, or components that are not included with this transmission.

Proper fitment should always be confirmed against the vehicle, drivetrain configuration, existing components, and required transmission specifications before ordering.

Technical Specifications

Ordering and Fitment Support

Selecting the correct automatic transmission requires attention to the complete drivetrain rather than the transmission model alone. Before ordering B&M Street and Strip Transmissions 117308, buyers should compare the Chevy bellhousing pattern, 30-spline input, 7.500-inch tailshaft, slip-on yoke, lockup requirements, and 3.06 first gear ratio with their existing setup.

It is also important to account for the components that are not included. This transmission does not include a torque converter, flexplate, controller, wiring harness, transmission cooler, fluid, or dipstick.

The transmission is supplied individually and arrives as a remanufactured B&M unit. Buyers can also explore other automatic transmissions and related drivetrain components when a different transmission configuration, application, or performance requirement is needed.

Frequently Asked Questions

Is B&M Street and Strip Transmissions 117308 remanufactured?

Yes. B&M Street and Strip Transmissions 117308 is supplied as a remanufactured automatic transmission. According to the provided specifications, the rebuild includes new gaskets, bushings, seals, thrust washers, and high-performance friction materials. The front pump is rebuilt to B&M specifications, and the valve body is recalibrated.

What vehicles is B&M Street and Strip Transmissions 117308 designed for?

This transmission uses a Chevy bellhousing bolt pattern, making it intended for compatible Chevrolet drivetrain applications. However, the bellhousing pattern alone does not establish complete vehicle fitment. Buyers should also verify the input spline, tailshaft length, yoke configuration, lockup requirements, and other drivetrain dimensions.

Does B&M 117308 include a torque converter?

No. The supplied product information lists the torque converter as not included. Buyers should therefore plan for a compatible torque converter separately and confirm that its specifications match the transmission and intended vehicle application.

What is the first gear ratio of this B&M transmission?

B&M Street and Strip Transmissions 117308 has a 3.06 first gear ratio. This ratio is one of the key specifications to consider when evaluating launch characteristics, drivetrain compatibility, and the overall gearing of the vehicle.

Is B&M 117308 compatible with lockup operation?

Yes. The supplied specifications identify this transmission as lockup compatible. This makes it relevant to compatible applications designed around a lockup automatic transmission, although the complete vehicle configuration should be checked before purchase.

Does this transmission have an automatic or manual valve body?

B&M 117308 uses an automatic valve body. It is therefore configured for conventional automatic transmission operation rather than a full-manual valve body. This makes it particularly relevant to street vehicles and street-and-strip applications where automatic operation remains important.

What components are included with B&M Street and Strip Transmissions 117308?

The transmission is sold individually. The supplied specifications state that the torque converter, flexplate, transmission controller, wiring harness, transmission cooler, transmission fluid, and dipstick are not included. Buyers should verify all required supporting components before installation.