Kit Components

The most complete complete conversion from automatic that you will find, combining the stock Tremec transmission with all of the correct matched parts that have been carefully selected and tested by Keisler for guaranteed quality and performance.

Drivetrain component selection and installation instructions and support is critical to get the job done right. Rest assured, buying from Keisler - the leader in overdrive transmission systems - is the first step in the best driving improvement you will make to your 1958-1968 full-size Chevrolet.

1.  TRANSMISSION - NEW UNMODIFIED TREMEC TKO-600 (600 HP/600 LB-FT), with original Tremec shift mechanism OR optional Keisler ClassicFit™ Offset Shifter.

• Provides two possible shift positions, at 16.75" or 19.5" from the rear face of the bellhousing.  Transmission tunnel modification will be required.
  
• Optional Keisler ClassicFit™ Offset Shifter provides the same correct shift lever attachment point as our premium PerfectFit™ series, but in a lower cost "bolt-on" package. Modification of the transmission tunnel will still be required. (Note: If you desire minor or no modification, please see our PerfectFit™ series of transmission system.)
• Muncie / Borg-Warner GM bolt pattern and input shaft configuration for direct bolt-up to the factory Chevrolet bellhousing (requires a 1-1/8" x 26 spline clutch disk).
• Gear Ratios: 2.87 1st, 1.89 2nd, 1.28 3rd, 1.00 4th, .82 5th; 2.56 reverse.
• Low RPM Cruising - 18% drop in engine RPM in 5th gear (check out our Speed Analyzer).
• 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.  NEUTRAL SAFETY START SWITCH - Can be wired into starter circuit if desired.

6.  SPEEDOMETER CABLE & DRIVEN GEAR - Mechanical speedometer cable and correct driven gear PLUS integrated 2-wire electronic output included. Optional electronic wiring harness also available (for use with electronic speedometers or EFI).

7.  DRIVESHAFT - Lightweight high strength steel, automatic welded and computer dynamic balanced with premium solid sealed U-joints, painted satin black, certified and serialized. Built in-house on Hines driveshaft manufacturing cell for the ultimate in quality and craftsmanship!

8.  SLIP YOKE - Heavy duty Spicer slip yoke.

9.  INSTALLATION HARDWARE KIT - High strength Grade 5 and 8 fasteners, properly sorted, bagged and labeled for easy reference.

10.  BELLHOUSING - Keisler designed & manufactured reproduction of the 11 inch '621' bellhousing. Made in USA of high strength cast aluminum-titanium construction, 50% thicker wall construction than factory, CNC machined; available for all Chevy V8s and GM LS engines.

11.  BELLHOUSING INSPECTION COVER - stamped steel, black powder paint; genuine GM.

12.  FLYWHEEL - Billet steel flywheel, computer balanced.

13.  FLYWHEEL BOLTS - Grade 8+ specialty flywheel bolts; with locking washers.

14.  CLUTCH KIT - Modern pedal effort diaphragm Performance Clutch Kit incl: computer balanced pressure plate, premium sprung hub Clutch Disk (with latest technology environment friendly friction material), sealed release bearing, lube pack.

15.  CLUTCH BOLTS - Grade 8+ specialty clutch bolts.

16(opt).  OPTIONAL HYDRAULIC CLUTCH ACTUATOR KIT  - OEM reliability, high quality exclusive Keisler design; easier pedal effort than mechanical type; installs much easier than mechanical actuator, with no linkage required; includes: 1) quick release master cylinder with ball joint and adjustable push rod, 2) single stainless steel line-set with bleeder fitting, 3) high tech OE grade concentric self-centering double-sealed hydraulic release bearing (rated at 7000 RPM), 4) bellhousing dust cover & line bracket, 5) remote clutch reservoir with fluid baffle, molded cap, 6) DOT approved low pressure line, and 7) installation instructions.

17.  SHIFTER HANDLE - Authentic looking, tapered round shank chrome handle, designed & manufactured by Keisler Engineering, features "TKO" with Keisler logo; or aftermarket Hurst handle also available.

18.  KNOB - Classic white or black knob with shift pattern embossed; optional knobs: Keisler 3D in white or black, or polished aluminum Tremec.

19.  TUNNEL SHEETMETAL - Replacement sheetmetal pre-cut to the correct size and shape is provided.

20.  INSTALLATION MANUAL - Highly illustrated step-by-step instruction manual.

21.  6 MONTH WARRANTY - 2 years to activate (in case you are restoring a car)! Extended warranty available at extra cost. Best Customer Support in the Industry.

100% Customer Satisfaction Guaranteed

• The best Customer and Tech Support in the industry
• Lifetime Tech Support from our premier experienced staff

Overview-Ordering

Click to enlarge

Keisler's ClassicFit™ Kit is a great lower-cost alternative to the PerfectFit™ Kit for the car owner who will not be using a center console. The ClassicFit™ Kit includes all the same high quality components as the PerfectFit™ Kit, but with a non-customized transmission. Requires modification of the factory transmission tunnel and provides an on-center shifter position.

Optional Keisler ClassicFit™ Offset Shifter is now available! It provides the same correct shift lever attachment point as our premium PerfectFit™ series, but in a lower cost "bolt-on" package. Modification of the 4-speed shifter hole is required for some applications. (Note: If you desire minor or no modification, please see our PerfectFit™ series of transmission systems).

FAQ: What is the difference between the Keisler ClassicFit™ Offset Shifter and Keisler PerfectFit™?

Keisler PerfectFit™ is a version of the Tremec transmission that is heavily customized by Keisler. The aluminum main case is machined to fit the larger Tremec transmission into the factory tunnel with minimal or no modification to the car. The PerfectFit™ shifter is Keisler's custom design, and is physically relocated directly below the tunnel hole to give the shortest throws, which are also symmetric left to right and front to back. The Keisler PerfectFit™ gives the best fit and shift quality of any custom Tremec solution on the market - Period.

Keisler ClassicFit™ Offset Shifter emulates the PerfectFit™ shifter handle position, but the Tremec transmission is bone stock otherwise. With the Keisler ClassicFit™ Offset Shifter, as with ANY bolt-on offset shifter, compromises are made to the overall result - mainly in the the amount of tunnel modification to fit the transmission case, the amount of the shifter hole modification, and shifter throws being slightly compromised because the pivot joint is on the centerline of the tunnel rather than being directly below the factory 4-speed hole. This is most important when converting a factory 4-speed car, and you don't want to modify the car any more than absolutely needed.

The Keisler ClassicFit™ Offset Shifter is designed to be the "best in class" custom offset bolt-on shifter at a price that is at or below comparable bolt-on shifter offerings from other companies.

Enjoy low-rpm cruising, great fuel economy, and less engine wear with the TKO-600 5-speed overdrive!


*NOTE:  Pedals and clutch linkage not included.

Recommended Accessories (Have questions? Please call 865-609-8187 for assistance): 400 LB-FT High Perf 11" Borg&Beck/SACHS Clutch Kit 5-piece High Performance clutch kit (11-inch) for GM & Mopar applications with 26-spline input shaft. 450HP/400 LB-FT rated, Borg&Beck/SACHS. Item Details Price: $219.95 ORDER BY PHONE: Call 1-865-609-8187 450 FT-LB High Perf 10.75" Borg&Beck/SACHS Clutch Kit 5-piece High Performance clutch kit (10.75-inch) for GM & Mopar applications with 26-spline input shaft. 450FT-LB rated, Borg&Beck/SACHS. Item Details Price: $229.95 ORDER BY PHONE: Call 1-865-609-8187 650 FT-LB Perf 11" Borg&Beck/SACHS Clutch Kit 5-piece High Performance clutch kit (11-inch) for GM & Mopar applications with 26-spline input shaft. 650FT-LB rated, Borg&Beck/SACHS. 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Complete system includes: Model-specific master cylinder, concentric slave cylinder, reservoir assembly, and Keisler's exclusive bleedable braided steel line. Item Details Price: $649.95 ORDER BY PHONE: Call 1-865-609-8187 Keisler ClassicFit™ Shifter for Tremec TKO, 1964-67 Chevelle Keisler ClassicFit™ Offset Shifter for 1964-1967 GM A-body and 1958-1967 GM full size vehicles. This shifter provides the same correct shift lever attachment point as our premium PerfectFit™ series, but in a lower cost "bolt-on" package. Item Details Price: $199.95 ORDER BY PHONE: Call 1-865-609-8187 Keisler Logo Shifter Ball, Black Hot New Black Shifter Ball proudly displays the Keisler logo. Item Details Price: $29.95 ORDER BY PHONE: Call 1-865-609-8187 Lakewood SFI Steel Bellhousing for Chevrolet Lakewood SFI steel safety bellhousing for Chevrolet small block and big block applications. Includes engine protection plate and all necessary hardware. 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For 153 tooth flywheel, fits most GM four speeds as well as Keisler's TKO five speed. Includes engine protection plate and all necessary hardware. Item Details Price: $401.25 ORDER BY PHONE: Call 1-865-609-8187 TKO Shift Handle for Bucket Seat Cars Keisler custom chromed steel shift handle featuring TKO logo for most GM bucket seat cars and classic Mustang (excluding Corvette and 1970-1981 Camaro/Firebird). Best fit, closest to original. Made in USA. Shift ball sold separately. Item Details Price: $89.95 ORDER BY PHONE: Call 1-865-609-8187

Speed Analyzer

Testimonials

Recent Testimonials...

LEON CHERRAULT - '70 CHEVELLE

Installed by Rooster's Rod Shop '70 Chevelle 502, TKO600 Dennis at Rooster's Rod says "Delivered the car back to Leon last night and he seemed to be very happy.  He liked how it shifted and performed.  Another satisfied customer.  Good job Gene and Keisler!"