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HEMI Performance Transmissions

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10" HP Series 8HP70 Torque Converter by Circle D Specialties
The HP series 10" 8HP70 converter is based on the factory core with some adjustments for stall speed and power handling capability.Great...read more
$1,399.00
11" HP Series NAG1 Torque Converter by Circle D Specialties
The HP series 11" Nag converter is based on the factory core with some adjustments for stall speed and power handling capability.Great...read more
$699.00
160 Degree Thermostat Kit for HP8 Transmission Series by MMX
With the ever increasing power of the Dodge/Jeep platforms whatever can be done to extend the life of the HP8 transmissions becomes a...read more
Sale: $419.95
180 Degree Thermostat Kit for HP8 Transmission Series by MMX
With the ever increasing power of the Dodge/Jeep platforms whatever can be done to extend the life of the HP8 transmissions becomes a...read more
Sale: $419.95
4x Four-Speed™ Transmission for Chrysler Gen III Hemi, Electronic 4L80E-Based
TCI® 4x Four-Speed™ Auto Transmissions enable the use of a 4L80E transmission with non-GM applications.This 4L80E-based...read more
$4,049.99
5.7 EGR Block off kit
Tired of the ugly EGR tube that runs across of your 5.7 Hemi? Why not install our EGR Block Off Plate Kit to get rid of that ugly tube...read more
$29.99
HEMI Flexplate SFI by ATI
ATI Superplates are neutral balanced for use in internally balanced engines and exceed SFI 29.1 & 29.2 ratings!ATI Flexplates are...read more
$219.95
HEMI NAG1 Conqueror Series Transmission by Paramount Performance
If your HEMI powered hotrod is pushing between 700 & 1000 FT-Lbs at the crankshaft then this is the transmission for you. Paramount...read more
$4,849.00
HEMI NAG1 Super Pro Series Transmission by Paramount Performance
If your HEMI powered hotrod is pushing between 1000 & 1350 FT-Lbs torque at the crankshaft then this is the transmission for you....read more
$6,249.00
HEMI NAG1 Transmission - High Torque Series Stage 1 by Paramount Performance
If your HEMI powered hotrod is pushing 550 ft lbs of torque or less at the crankshaft then this is the transmission for you. Paramount...read more
$2,949.00
HP70 A8 Performance Transmission Upgrade by Paramount Performance
Modern Muscle Performance / ModernMuscleXtreme.com is proud to offer this performance upgraded Chrysler HP70 A8 transmission produced by...read more
$5,599.00
HP70 A8 Performance Transmission Upgrade for the Jeep SRT8 by Paramount Performance
Modern Muscle Performance / ModernMuscleXtreme.com is proud to offer this performance upgraded Chrysler HP70 A8 transmission produced by...read more
$5,599.00
HP90 A8 Hellcat Performance Transmission Upgrade by Paramount Performance
Modern Muscle Performance / ModernMuscleXtreme.com is proud to offer this performance upgraded Chrysler HP90 A8 Hellcat transmission...read more
$6,449.00
Jeep SRT8 High Torque Transfer Case by Paramount Performance
This Jeep SRT8 Transfer Case by Paramount Performance has proven itself over and over again to reliably deliver the power from your HEMI...read more
$2,650.00
Kooler KLeen Transmission Line Cleaner and Flush by Doctor Tranny
In an effort to promote regular maintenance for your NAG1 / 722.6 transmission, Modern Muscle Xtreme is proud to offer KOOLER KLEEN....read more
$19.99
NAG1 Conqueror to NAG1 Superpro Upgrade by Paramount Performance
Do you have a Paramount Performance Conqueror NAG1 tranmission with some serious hours put on it? Maybe your Conqueror transmission is...read more
$3,850.00
NAG1 Torque Converter Dominator Series by Paramount Performance
Custom built to match your hotrod's modifications! Supercharged, turbo, twin turbo, NA, NA stroker, 440, nitrous etc., ALL take...read more
$879.99
NAG1 Transmission Cooler by Derale
These Derale Cooling Products Hyper-Cool remote fluid coolers with fan kit provides the largest temperature drop of any fan-mounted...read more
$279.95
Paramount Dominator 8 Speed Series Torque Converter
Paramount Performance has developed a quality high-stall converter to further enhance your performance modifications on the new 8 speed...read more
$1,395.00
Park Lock Out Mechanism by Billet Tech
This piece will replace the plastic "pink" flimsy part in your factory Dodge shifter. When this part fails for no reason except normal...read more
$39.99
Performance NAG1 Valve Body - Stage 2 Modified by Paramount Performance
The Paramount Performance Stage II Valve Body was designed by using a fully operational, test NAG1 that monitored all clutch pressures,...read more
$850.00
StreetFighter® Converter, GM, 1991-06 4L80E, Lock-Up, Billet/forged steel front, Multi-Clutch Lock-Up
StreetFighter® Converter, GM, 1991-06 4L80E, Lock-Up, Billet/forged steel front, Multi-Clutch Lock-UpDesigned with the...read more
$1,979.52
TCI Outlaw Shifter with Cover 3-Speed Transmissions
TCI's Outlaw shifters not only ensure that you will find the right gear when you need it, but they deliver great looks as well....read more
$374.58
Torqueflite 727 Transmission Breakaway Torque Converter by TCI Automotive
Performance enthusiasts often underestimate the critical role torque converters play in putting their expensive horsepower to the...read more
$396.99
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