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* NEW PRODUCT * Keisler RS® 5-Speed Essentials Kit
Ordering
To ensure order accuracy, please call us to order or use our Request A Quote form to get a price quote within 24 hours.
ORDER BY PHONE:
1-865-609-8187
The Keisler RallyeSport 5-Speed PerfectFit® System is the easiest and most complete way to put a modern 5-speed manual overdrive transmission in your classic muscle car, street rod or truck.
Based on the advanced Borg Warner T-45 5-speed built from 1996-2001, the remanufactured Keisler RS® revolutionizes this transmission design, incorporating the robust BW T-56 carbon fiber synchronizers to all gears including reverse. Plus, new SAE 9310 chrome-nickel-moly steel alloy gears (when required), CNC ground in the USA provide high torque, silent operation.
Carbon fiber lined synchronizers provide 7000 RPM silky smooth, low effort shifts, and reverse is also synchronized. Single rail architecture with Guide Plate means you won’t miss a shift, especially the 2-3 at the track. OEM proven high mesh gear design provides nearly silent operation. Enjoy the new best-in-class 5-speed Keisler RS® at a price that beats the competition every time. One drive with the Keisler RS® and you won’t want anything less.
Complete auto-to-manual component kits are also available for many popular vehicles, including bellhousing, clutch, flywheel, clutch linkage, pedal kit, etc.
Kit Components
Brought to you by the leader in overdrive transmissions, the complete Keisler PerfectFit RS® transmission kit has been matched with all of the correct parts proven and tested by Keisler for guaranteed quality and performance.
With 20 years of experience you can count on us to be there for installation instruction and support. Join thousands of others and take your classic GM A-Body to the next level with Keisler! The best driving improvement you will make to your car!
1. TRANSMISSION - RS500 (500 LB-FT) or RS400 (400 LB-FT) built at Keisler’s factory. A number of custom features are included (with no hidden charges) that you won't find anywhere else, including:
- Bolts up to Chevy, Ford, Mopar, and Buick-Olds-Pontiac bellhousings.
- Shifter location that fits many classic cars with NO CUTTING!
- Advanced, high feature compact shifter features adjustable solid stops, tunable cross gate spring bias, short-ratio lever throws, 4140 chrome steel alloy, Teflon bearings under all pivot shifter designed to provide better-than-stock shifting.
- Internal guide plate precisely guides the shifter through the gears. Never miss a 2-3 shift again!
- Gear Ratios:
- RS500 and RS400 = 3.37 1st, 1.99 2nd, 1.33 3rd, 1.00 4th, .67 5th
- Low RPM Cruising - 33% drop in engine RPM in 5th gear (check out our Speed Analyzer).
- Precision Assembled, TRIPLE Quality Checked - at Keisler by our highly trained technicians, using high quality, American made gears; 100% inspected for function, leak and visual appearance (check us out).
- Nation-Wide Parts & Service - Parts in-stock; service in-house.
2. PILOT BEARING - Needle Roller Bearing for long life and high capacity.
3. ISOLATOR - Heavy-duty rubber isolator. Polyurethane upgrade available.
4. BACK-UP LIGHT WIRING HARNESS - Easy coupling to factory wiring.
5. SPEEDOMETER CABLE & DRIVEN GEAR OR ELECTRONIC OUTPUT - Mechanical speedometer cable and correct driven gear OR integrated 2-wire electronic output with wiring pigtail included.
6. SLIP YOKE - Heavy duty Spicer slip yoke.
7. INSTALLATION HARDWARE KIT - High strength Grade 5 and 8 fasteners, properly sorted, bagged and labeled for easy reference.
8. INSTALLATION MANUAL - Highly illustrated step-by-step instruction manual.
9. 1 YEAR WARRANTY - With a 2 year window to activate, allowing you ample time to build your dream car and get it on the road. Best Customer Support in the Industry.
Complete auto-to-manual conversion kits are also available, including bellhousing, clutch, flywheel, clutch linkage and pedal kits.
100% Customer Satisfaction Guaranteed
- The best Customer and Tech Support in the industry
- Lifetime Tech Support from our premier experienced staff
Testimonials
Recent Testimonials...Walt Reynolds - '68 Z28 Camaro

I probably should have done this a long time ago but here I go. I am the original owner of a 1968 Z/28 Camaro. It has about 25000 original street miles and over 8000 1/4 mile drag strip passes. It still has original paint and interior except the carpet has been replaced a few times. In 2006 I went on my first Hot Rod Magazine Drag Week. At the time, the car had a Super T10 4-speed and 4:56 gears. It was not very fun to drive 1000 miles at 4000rpms! In 2007 I installed my Keisler T56 and 5:14 gears for Drag Week. The transmission made it so much easier to drive in the highway. 75 mph was about 2200RPMS in 6TH (.50) For this years (2010) Drag Week I changed the rear gears to 5:57 which is the ratio I used back in the 70's. For Drag Week 2010 I had set three goals. Make the whole round trip, lift the front wheels off the gound (pull wheelies), and ET in the 11's. Well I made the first two which isn't too bad. My car is an original 302. It is set up like an NHRA stocker. It is .030 over with a Lunati RL302 stock eliminator cam, Manley Rods, original intake manifold and 4053 (780 CFM) Holley carb and Summers Brothers spool and axles. It launches at 7000 RPM and I power shift @ 7500 RPM. This year David Freiburger of Hot Rod asked me if I would have my car lettered like it was for the 1970 Winternationals and I said yes. Here are some picturesof the car both ways. I want to thank Keisler for the great kit. It was very easy to install and works fantastic. I think I want to check out the new clutchless model!
Robert Kostash - '69 Camaro RS Yenko Pro-Tour

The shop that completed the Pro-Tour project has used Keisler 5 speed and 6 speed kits numerous times...they were keen to do another Keisler TKO600 for my car. I also highlighted the progress through the winter on Pro-Touring.com. The car now drives just super, with the tight shifting Tremec. I just love the overdrive!
Cheers, Rob
Alberta, Canada
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