HP90 A8 Hellcat Performance Transmission Upgrade by Paramount

Due to higher than average volume and current responses by some manufacturers to the COVID-19 pandemic, shipping and response time may be slightly longer than normal. We apologize for the inconvenience and thank you for your understanding and support.

MMX Custom Product Payment Method

Modern Muscle Xtreme Internation Order Notice

International Order Notice:
International orders are required to be paid by money order or bank transfer. Please call or email for more information before placing your order. International import taxes and duties are the responsibility of the purchaser and are not the responsibility of Modern Muscle Performance / Modernmusclextreme.com.

Modern Muscle Performance offers in-house installation as well as other HEMI hotrod related services!

ModernMuscleXtreme.com Accepts:
Modern Muscle Performance Proudly Accepts Paypal

Modern Muscle Performance Proudly Accepts Visa, Mastercard, and Discover Credit Cards

Modern Muscle Performance Proudly Affirm as a Payment Method

We Currently Do Not Accept American Express.

*Core Charge Options
I Am Not Sending in a Core, Add $4,500.00
I Am Sending in a Core For a Refund - See Link, Add $4,500.00
I Am Sending in My Core to Be Upgraded

Call Today: 276.666.1934

Over 40 Years of HEMI Experience!

HP90 A8 Hellcat Performance Transmission Upgrade by Paramount Performance

Torque Converter Upgrade Option
ZF8 Performance Dominator Torque Converter by Paramount Performance - Price Includes Core Charge, Add $1,995.00
ZF8 Performance Dominator Torque Converter by Paramount Performance - Sending My Core in for Upgrade, Add $1,395.00

160 Degree Thermostatic Valve Upgrade
Please Include This Upgraded Thermostatic Valve, Add $350.00

Additional Options
Pre-Filled With Transmission Fluid - Domestic Option Only, Add $333.33
Programmed TCM Option, Add $439.64

*Shipping Options
Flat Rate Shipping to the Lower 48 States, Add $250.00
I Will Pickup My Transmission From Modern Muscle Performance