WHO WE ARE
WHAT WE DO
At MRK-Motorsports we specialize in GM LSx engines, transmissions and wiring harnesses. We can help you update your favorite toy with a GM LSx engine. Have a 1969 GTO with an old tired Small Block 350? Want to install a GM LSx engine but don’t know how? MRK-Motorspors can help!
98-02 Camaro/Firebird 4L80E/4L85E Transmission Upgrade
Chevrolet took one heck of a chance by replacing
Written by Richard Holdener on July 31, 2015
If you’re an automotive enthusiast and your
OUR ONLINE STORE