BUY NOW, PAY LATER. Starting at 0% APR learn more ×

Contact Us To Request A Quote On Custom Engines, Camshaft Grinds, & Tuned Packages

Blog Search
Wish Lists
Garage
My Cart

Your cart is currently empty.

Continue shopping
Total:
View cart
Toggle menu

Mopar Madness

Get your Hemi powered Charger/Challenger winning with our Redeye'd Hellboy, Hellcat Venom, & 392 Scat Girl performance packages

View Packages

Dodge Racing Packages

Take your ride to the next level without the guesswork with packages developed to perform. Xtreme, Street, and Weekend Grudge Packages

View Packages

Race Winning Performance

Get your Hemi powered Hellcat Charger/Challenger/Trackhawk/Durango winning with our race proven performance packages

GMR Packages
HellKitty

775 HP On 93 Octane Dodge Hellcat Package

SuperCat

775 HP On 93 Octane Dodge Hellcat Package

Hell-On-Wheels

900 HP On 93 Octane Dodge Hellcat Package

Coyote Killer

950 HP On E85/93 Octane Dodge Hellcat Package

Hellbound

1000 HP On E85/93 Octane Dodge Hellcat Package

SnowCat

1000 HP On E85/93 Octane Dodge Hellcat Package

Mopar Cam Packages

view all
-5%
Special Order
GMR Scat Pack Stage 5 Cam Kit - Whipple Supercharger Camshaft, Lifters, Springs, Titanium Retainers, Locks, Pushrods, Phaser Lock, MDS Delete, Cam Bolt Quick View
Grudge Motorsports

GMR Scat Pack Stage 5 Cam Kit - Whipple Supercharger Camshaft, Lifters, Springs, Titanium Retainers, Locks, Pushrods, Phaser Lock, MDS Delete, Cam Bolt

Choose options
-5%
Special Order
GMR Scat Pack Stage 4 Cam Kit - Stroker Camshaft, Lifters, Springs, Titanium Retainers, Locks, Pushrods, Phaser Lock, MDS Delete, Cam Bolt Quick View
Grudge Motorsports

GMR Scat Pack Stage 4 Cam Kit - Stroker Camshaft, Lifters, Springs, Titanium Retainers, Locks, Pushrods, Phaser Lock, MDS Delete, Cam Bolt

Choose options
-7%
Special Order
GMR Scat Pack Stage 3 Cam Kit - Custom Camshaft, Lifters, Springs, Pushrods, Phaser Lock, MDS Delete, Cam Bolt Quick View
Grudge Motorsports

GMR Scat Pack Stage 3 Cam Kit - Custom Camshaft, Lifters, Springs, Pushrods, Phaser Lock, MDS Delete, Cam Bolt

Choose options
-7%
Special Order
GMR Scat Pack Stage 2 Cam Kit - Custom Camshaft, Lifters, Springs, Pushrods, Phaser Lock, MDS Delete, Cam Bolt Quick View
Grudge Motorsports

GMR Scat Pack Stage 2 Cam Kit - Custom Camshaft, Lifters, Springs, Pushrods, Phaser Lock, MDS Delete, Cam Bolt

Choose options
-7%
Special Order
GMR Scat Pack Stage 1 Cam Kit - Custom Camshaft, Lifters, Springs, Pushrods, Phaser Lock, MDS Delete, Cam Bolt Quick View
Grudge Motorsports

GMR Scat Pack Stage 1 Cam Kit - Custom Camshaft, Lifters, Springs, Pushrods, Phaser Lock, MDS Delete, Cam Bolt

Choose options
-5%
Special Order
GMR Hellcat Durango Stage 6 Cam Kit - Whipple Supercharger Camshaft, Springs, Titanium Retainers, Locks, Pushrods, Phaser Lock, Cam Bolt Quick View
Grudge Motorsports

GMR Hellcat Durango Stage 6 Cam Kit - Whipple Supercharger Camshaft, Springs, Titanium Retainers, Locks, Pushrods, Phaser Lock, Cam Bolt

Choose options
-5%
Special Order
GMR Hellcat Durango Stage 5 Cam Kit - Whipple Supercharger Camshaft, Springs, Titanium Retainers, Locks, Pushrods, Phaser Lock, Cam Bolt Quick View
Grudge Motorsports

GMR Hellcat Durango Stage 5 Cam Kit - Whipple Supercharger Camshaft, Springs, Titanium Retainers, Locks, Pushrods, Phaser Lock, Cam Bolt

Choose options
-5%
Special Order
GMR Hellcat Durango Stage 4 Cam Kit - Custom Supercharger Camshaft, Springs, Titanium Retainers, Locks, Pushrods, Phaser Lock, Cam Bolt Quick View
Grudge Motorsports

GMR Hellcat Durango Stage 4 Cam Kit - Custom Supercharger Camshaft, Springs, Titanium Retainers, Locks, Pushrods, Phaser Lock, Cam Bolt

Choose options
-5%
Special Order
GMR Hellcat Stage 6 Cam Kit - Whipple Supercharger Camshaft, Springs, Titanium Retainers, Locks, Pushrods, Phaser Lock, Cam Bolt Quick View
Grudge Motorsports

GMR Hellcat Stage 6 Cam Kit - Whipple Supercharger Camshaft, Springs, Titanium Retainers, Locks, Pushrods, Phaser Lock, Cam Bolt

Choose options
-5%
Special Order
GMR Hellcat Stage 5 Cam Kit - Whipple Supercharger Camshaft, Springs, Titanium Retainers, Locks, Pushrods, Phaser Lock, Cam Bolt Quick View
Grudge Motorsports

GMR Hellcat Stage 5 Cam Kit - Whipple Supercharger Camshaft, Springs, Titanium Retainers, Locks, Pushrods, Phaser Lock, Cam Bolt

Choose options

Featured Parts & Accessories

View All

How black is your black? Mine is perfect black!!!

on
How black is your black? Mine is perfect black!!! More coming, stay tuned for the next reveal Thanks to: PT Custom Graphics for a perfect wrap!!!   Read more

You know what’s poppin!!! Those GMR Mopars

on
Get the right parts for your Dodge Charger or Challenger at Grudge Motorsports. We have thousands of parts and performance packages to make your Hemi powered Mopar do more.   Read more

Congrats to my Daughter Krystal aka SS Girl for Doing Her First Car Show

on
Congrats to my daughter Krystal aka SS Girl for doing her first car show. Her SS Camaro has RotoFab, Corsa Extreme & more. Keep a look out for her at upcoming events.    Read more

New Grudge Motorsports T-Shirts Now Available!

on
Check out our new t-shirts designs now available. Choose from nearly 60 color combinations with either the GMR, Scat Girl, or Get Redeyed back and GMR or Grudge fronts. Stay tuned for more designs that are on the way!   Read more

GMR Stickers Available at MakeStickers.com

on
Check out our GMR car stickers! Order your own GMR car stickers at MakeStickers.com Click the image of your favorite color scheme to select size and quantity.   Read more

Grudge Motorsports Teamed Up With Demon Performance For Redeye Build

on
Grudge Motorsports Racing has teamed up with Demon Performance for the GMR Redeye'd Hellboy Pkg install & tune! GMR + Demonized = Redeye'd Hellboy   Read more

We Have All The Top Brands

view all
We use cookies to improve your experience on our website. Read about how we use cookies in our Privacy Policy. By browsing this website, you agree to our use of cookies. privacy policy
accept

Your cart

×