Skip to Main Content Skip to Footer Links
Error occured! Please reload the page and try again
Choose a Store
Open till 
There are vehicles in your garage

Free shipping on orders over $25.

Enroll in Speed Perks for more savings.

Cart is empty!

Add Something to the cart

includes estimated shipping

Vehicle added


Find parts for the selected vehicle:

View Vehicles
Are you sure you want to delete this vehicle?

    Add a

    Add a

    Proform Stud Mount Valve Spring Compressor for 3/8" & 7/16" Rocker Studs

    Loading ...
    • Product Details

      Part No. 66784

      Warranty Details (90 DAY REPLACEMENT IF DEFECTIVE)

      For all 3/8" and 7/16" Rocker Studs. Remove valve spring from an assembled engine for checking or replacing quickly and easily. Press down to compress coil spring, then remove valve keepers. Release slowly.

    • Read Review
    • Q & A