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Your cart is empty.Mopar Performance valve springs are made from stronger steel than OEM and are intended for General performance use. They're available for many applications in single and dual versions. And make a great choice for your Muscle car.
Mac
Reviewed in the United States on August 3, 2023
The kit is two pieces and comes with parts pictured. Faster than expecting shipping. Avg is 70 PSI oil pressure. Don’t use a HV pump.. use the Oem pump, clean up the bore (don’t touch machined surfaces. Gasket match but don’t use gasket. Drill out pump output to 1/2” and read a couple articles and it’s blueprinted. And remember to use the plug as a cap, over the spring or reverse as OEM. You’ll get 120psi!!!!
richard d.
Reviewed in the United States on October 22, 2022
Great part
Ami Weigartz
Reviewed in the United States on March 7, 2021
Product is not what is pictured. Package that came had a blue spring and a black spring and no plug. Directions don't tell you what the blue or black spring we be for pressure. Also, without the plug, the springs are worthless as you have to drill a hole to remove the stock plug per the directions.
Customer
Reviewed in the United States on March 23, 2021
did not have the cup in the kit . all you get is two springs ?? not what it is supposed to be i returned it
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