Description
Richmond Gear Internal Rail 5-Speed Transmissions R504082A – Product Overview
The Richmond Gear Internal Rail 5-Speed Transmissions R504082A is a performance-focused 5-speed manual transmission from Richmond Gear. It belongs to the Richmond Gear Internal Rail 5-Speed Transmissions product line and is supplied as a new, non-remanufactured transmission assembly sold individually.
This product is identified by Manufacturer’s Part Number R504082A, Summit Racing Part Number RMG-R504082A, and UPC 698231499436. These identifiers help buyers, installers, mechanics, and parts departments confirm the correct transmission before ordering.
The transmission uses a 1.125-inch input shaft diameter with 26 input splines. It also uses a 31-spline output shaft with a 1.389-inch output shaft spline diameter. These details are important because the clutch disc and output yoke must match the transmission configuration.
This model has a 5-speed gear layout with 2.87 first gear, 1.89 second gear, 1.28 third gear, 1.00 fourth gear, and 0.82 fifth gear. The fifth gear provides overdrive capability for buyers who want manual performance with improved cruising behavior.
The Richmond Gear Internal Rail 5-Speed Transmissions R504082A uses an aluminum case and a slip-on yoke style. The yoke is not included, so buyers should select the correct compatible yoke separately.
This transmission does not include a bellhousing, does not include a yoke, and does not include a shifter. It requires a Long-style shifter, and the supplied notes list the shifter location as dual position.
Fitment and Application Details
The Richmond Gear Internal Rail 5-Speed Transmissions R504082A is intended for compatible performance applications requiring a 5-speed manual transmission with a dual-position shifter layout.
Fitment should be confirmed before purchase by checking the original transmission configuration, bellhousing pattern, clutch disc spline count, flywheel, pilot bearing, clutch release system, output yoke, driveshaft length, transmission mount, crossmember position, tunnel clearance, and shifter location.
Because this transmission uses a 26-spline input shaft, it requires a compatible 26-spline clutch disc. Because it uses a 31-spline output shaft, the output yoke must match the output shaft configuration and slip-on yoke style.
The dual position shifter location is an important installation detail. Shifter location can affect console alignment, tunnel clearance, driver reach, interior fit, and overall driving comfort.
The transmission requires a Long-style shifter, but the shifter is not included. Buyers should confirm the correct shifter before ordering to avoid installation delays.
The bellhousing is not included, so buyers should select the correct bellhousing based on the engine, clutch system, and application requirements.
For a complete drivetrain setup, buyers may also need clutch components, flywheel, pilot bearing, release bearing, bellhousing, slip-on yoke, Long-style shifter, driveshaft parts, transmission mount, fluid, and installation hardware.
Build Quality and Reliability
The Richmond Gear Internal Rail 5-Speed Transmissions R504082A is built with aluminum case material, giving the transmission a strong and practical housing for performance use.
Richmond Gear describes its Internal Rail 5-speed transmissions as being built for power and speed. The product line reflects Richmond’s focus on research, development, and testing at its facilities.
The internal rail design is part of the product line identity and supports a focused manual transmission layout for buyers who need a Richmond Gear 5-speed unit.
The gear ratio spread includes 2.87 first, 1.89 second, 1.28 third, 1.00 fourth, and 0.82 fifth. This gives buyers a strong performance-oriented lower gear set with overdrive capability in fifth gear.
The aluminum case helps reduce unnecessary weight while providing the structure needed for performance manual transmission use.
The transmission is listed as not remanufactured, meaning it is not supplied as a rebuilt used unit. It is sold individually as part of the Richmond Gear Internal Rail 5-Speed Transmissions product line.
What Makes This Transmission a Strong Choice
The Richmond Gear Internal Rail 5-Speed Transmissions R504082A is a strong choice for buyers who need a Richmond Gear 5-speed manual transmission with overdrive and flexible shifter placement.
One of its strongest features is the dual position shifter location. This gives buyers more flexibility when matching the shifter to the vehicle’s interior, console, seat location, and tunnel layout.
Another important feature is the 0.82 fifth gear. This overdrive ratio can support improved cruising behavior when the transmission is matched with the correct rear axle ratio, tire size, and vehicle setup.
The 2.87 first gear provides strong low-speed engagement in compatible applications, while the 1.00 fourth gear gives direct-drive operation.
The 26-spline input shaft and 31-spline output shaft give installers clear clutch and driveline requirements. These details help buyers choose the correct clutch disc and output yoke before installation.
The aluminum case, slip-on yoke style, and Long-style shifter requirement provide important fitment information for buyers planning a performance drivetrain setup.
For buyers who want a Richmond Gear 5-speed manual transmission with a clear gear spread, overdrive capability, and dual shifter positioning, the R504082A is a focused manual drivetrain option.
Ideal Buyers and Use Cases
The Richmond Gear Internal Rail 5-Speed Transmissions R504082A is best for vehicle owners, performance builders, restoration shops, mechanics, and drivetrain installers working on compatible manual transmission applications.
It is suitable for buyers who need a 5-speed manual transmission with a 2.87 first gear, 0.82 fifth gear overdrive, 26-spline input shaft, 31-spline output shaft, and aluminum case construction.
This product is also useful for builds that require a dual position shifter location and a Long-style shifter.
It is not a complete installation kit. The bellhousing is not included, the yoke is not included, and the shifter is not included. Buyers should confirm all required supporting components before ordering.
The best buyer for this product is someone who has already confirmed bellhousing fitment, clutch disc spline count, output yoke requirements, shifter style, dual shifter placement, driveshaft length, transmission mount position, and complete vehicle installation needs.
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Richmond Gear Internal Rail 5-Speed Transmissions R504082A |
| Brand | Richmond Gear |
| Manufacturer’s Part Number | R504082A |
| Part Type | Manual Transmissions |
| Product Line | Richmond Gear Internal Rail 5-Speed Transmissions |
| Summit Racing Part Number | RMG-R504082A |
| UPC | 698231499436 |
| Number of Gears | 5 |
| Input Shaft Diameter | 1.125 in. |
| Input Spline Quantity | 26 |
| Output Shaft Spline Quantity | 31 |
| Output Shaft Spline Diameter | 1.389 in. |
| Bellhousing Included | No |
| Yoke Included | No |
| Yoke Style | Slip-on |
| Shifter Included | No |
| Shifter Style Required | Long |
| Shifter Location | Dual position |
| First Gear Ratio | 2.87:1 |
| Second Gear Ratio | 1.89:1 |
| Third Gear Ratio | 1.28:1 |
| Fourth Gear Ratio | 1.00:1 |
| Fifth Gear Ratio | 0.82:1 |
| Case Material | Aluminum |
| Remanufactured | No |
| Quantity | Sold individually |
| Product Focus | Performance 5-speed manual transmission with overdrive |
| Application Details | Exact vehicle fitment not specified in supplied listing; verify before ordering |
Ordering Support and Fitment Guidance
Before ordering the Richmond Gear Internal Rail 5-Speed Transmissions R504082A, buyers should confirm the complete drivetrain setup for the intended application.
Important details include engine, bellhousing compatibility, clutch disc spline count, flywheel, pilot bearing, clutch release system, output yoke, driveshaft length, transmission mount, crossmember position, tunnel clearance, shifter style, and shifter location.
This transmission uses a 26-spline input shaft, so the clutch disc must match the transmission. It also uses a 31-spline output shaft with a slip-on yoke style, so the yoke must be selected correctly.
The bellhousing is not included, yoke is not included, and shifter is not included. A Long-style shifter is required.
The supplied note lists a dual position shifter location, so buyers should verify that one of the available shifter positions works with the vehicle’s interior and tunnel layout.
For a complete drivetrain installation, buyers may also need clutch components, flywheel, pilot bearing, release bearing, bellhousing, slip-on yoke, driveshaft parts, Long-style shifter, transmission mount, fluid, and installation hardware.
The Richmond Gear Internal Rail 5-Speed Transmissions R504082A is built for buyers who want Richmond Gear performance, overdrive drivability, aluminum case construction, and flexible shifter placement in a 5-speed manual transmission.
Frequently Asked Questions
What is the Richmond Gear Internal Rail 5-Speed Transmissions R504082A?
The Richmond Gear Internal Rail 5-Speed Transmissions R504082A is a 5-speed manual transmission from Richmond Gear. It features a 26-spline input shaft, 31-spline output shaft, aluminum case, 0.82 fifth gear overdrive, and dual position shifter location.
What are the gear ratios for this transmission?
The gear ratios are 2.87 first, 1.89 second, 1.28 third, 1.00 fourth, and 0.82 fifth. The fifth gear provides overdrive capability for more comfortable cruising when the full drivetrain is properly matched.
Does this transmission include a shifter?
No. The shifter is not included. The supplied specifications state that a Long-style shifter is required, and the notes list the shifter location as dual position.
Does this transmission include a bellhousing or yoke?
No. The bellhousing is not included, and the yoke is not included. Buyers should select compatible parts based on the engine, clutch setup, output shaft, and drivetrain requirements.
What clutch disc does this transmission require?
This transmission uses a 26-spline input shaft, so it requires a compatible 26-spline clutch disc. Buyers should also confirm flywheel, pilot bearing, clutch release, and bellhousing compatibility before installation.
What output yoke is required?
The transmission uses a 31-spline output shaft with a 1.389-inch output shaft spline diameter and slip-on yoke style. The yoke is not included and must be selected separately.
Is the Richmond Gear Internal Rail R504082A remanufactured?
No. The supplied specifications list Remanufactured: No. This transmission is sold individually as part of the Richmond Gear Internal Rail 5-Speed Transmissions product line.
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