1970-1974 | E-Body | Mopar | Keisler Engineering, Inc | Keisler Engineering

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1970-1974

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Call Keisler at 1-865-609-8187 to speak with a transmission specialist to get pricing and order Keisler transmissions.

Why Can't I Order A Transmission Online?
At Keisler, we are committed to order accuracy, and with the complex nature of making sure that your transmission and kit components match your car and performance needs, speaking with one of our transmission specialists is currently the best way to ensure you recieve the right products.

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Step 3: Select Your Preferred Transmission Kit Type or Shop Accessories

Keisler PerfectFit™ Manual Transmission Systems

The Keisler PerfectFit" System is the easiest and most complete way to put a high strength, modern overdrive Tremec TKO 5-speed in your 1970-1974 Dodge/Plymouth E-Body. Our Keisler Custom Engineered PerfectShift" Tailhousings and Shift Mechanisms provide the smoothest operation and the shortest throws in the business. Enjoy a PerfectFit transmission with low RPM cruising, and great fuel economy today.

Keisler PerfectFit™ Automatic to Manual Conversion Systems

The Keisler PerfectFit" System is the easiest and most complete way to put a high strength, modern overdrive Tremec TKO 5-speed in your 1970-1974 Dodge/Plymouth E-Body Automatic. Our Keisler Custom Engineered PerfectShift" Tailhousings and Shift Mechanisms provide the smoothest operation and the shortest throws in the business. Enjoy a PerfectFit transmission with low RPM cruising, and great fuel economy today.

Keisler 4-Speed Automatic Overdrive System

The Keisler 4-speed Automatic Overdrive for Mopar combines a no-cut, no-mod installation with modern plug-and-play electronic controls and fitment to any Small Block, Big Block, traditional Hemi or New Hemi engine. Complete systems are available for most models, and include everything you need for a turn-key installation—including use of your original column, floor or slap-stick gear selector. Enjoy an automatic overdrive transmission with low RPM cruising and great fuel economy today!

Keisler ClassicFit™ Kits

The Keisler ClassicFit" Kit is the most economical way to put a high strength, modern overdrive Tremec manual transmission in your vehicle. Our ClassicFit" Kits contain all the same high-quality components as our PerfectFit systems, but with an unmodified transmission. Enjoy an overdrive manual transmission system with low RPM cruising, and great fuel economy today.

NEW! T45RS kits are available! Rated from 350 to 425 lb.-ft., these kits are ideal for the enthusiast on a budget who doesn't need the extra strength of the TKO.

Tremec Transmissions - Bare Units

Bare TREMEC transmissions - Contact us for the best price on bare units and Essentials kits for TKO and T45RS.

(70-74) Accessories

Keisler Engineering offers a wide range of products to choose from to make your pride and joy into the masterpiece you've always wanted. Click 'Select' below to show accessory categories for your vehicle.

Updates and Upgrades

Already own a Keisler transmission system? View our latest designs and check to see if any updates or upgrades are available for your existing transmission system.